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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms.TestUtilities;
using Point = System.Drawing.Point;
using Size = System.Drawing.Size;
namespace System.Windows.Forms.Tests;
public class ScrollBarTests
{
[WinFormsFact]
public void ScrollBar_Ctor_Default()
{
using SubScrollBar control = new();
Assert.Null(control.AccessibleDefaultActionDescription);
Assert.Null(control.AccessibleDescription);
Assert.Null(control.AccessibleName);
Assert.Equal(AccessibleRole.Default, control.AccessibleRole);
Assert.False(control.AllowDrop);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
Assert.False(control.AutoSize);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(0, control.Bottom);
Assert.Equal(Rectangle.Empty, control.Bounds);
Assert.False(control.CanEnableIme);
Assert.False(control.CanFocus);
Assert.True(control.CanRaiseEvents);
Assert.True(control.CanSelect);
Assert.False(control.Capture);
Assert.True(control.CausesValidation);
Assert.Equal(Rectangle.Empty, control.ClientRectangle);
Assert.Equal(Size.Empty, control.ClientSize);
Assert.Null(control.Container);
Assert.False(control.ContainsFocus);
Assert.Null(control.ContextMenuStrip);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.False(control.Created);
Assert.Same(Cursors.Default, control.Cursor);
Assert.Same(Cursors.Default, control.DefaultCursor);
Assert.Equal(ImeMode.Disable, control.DefaultImeMode);
Assert.Equal(Padding.Empty, control.DefaultMargin);
Assert.Equal(Size.Empty, control.DefaultMaximumSize);
Assert.Equal(Size.Empty, control.DefaultMinimumSize);
Assert.Equal(Padding.Empty, control.DefaultPadding);
Assert.Equal(Size.Empty, control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(Rectangle.Empty, control.DisplayRectangle);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.DoubleBuffered);
Assert.True(control.Enabled);
Assert.NotNull(control.Events);
Assert.Same(control.Events, control.Events);
Assert.False(control.Focused);
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.Equal(Control.DefaultForeColor, control.ForeColor);
Assert.False(control.HasChildren);
Assert.Equal(0, control.Height);
Assert.Equal(ImeMode.Disable, control.ImeMode);
Assert.Equal(ImeMode.Disable, control.ImeModeBase);
Assert.False(control.IsAccessible);
Assert.False(control.IsMirrored);
Assert.Equal(10, control.LargeChange);
Assert.NotNull(control.LayoutEngine);
Assert.Same(control.LayoutEngine, control.LayoutEngine);
Assert.Equal(0, control.Left);
Assert.Equal(Point.Empty, control.Location);
Assert.Equal(Padding.Empty, control.Margin);
Assert.Equal(100, control.Maximum);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(0, control.Minimum);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal(Size.Empty, control.PreferredSize);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.False(control.ResizeRedraw);
Assert.Equal(0, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.True(control.ScaleScrollBarForDpiChange);
Assert.True(control.ShowFocusCues);
Assert.True(control.ShowKeyboardCues);
Assert.Null(control.Site);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(1, control.SmallChange);
Assert.Equal(0, control.TabIndex);
Assert.False(control.TabStop);
Assert.Empty(control.Text);
Assert.Equal(0, control.Top);
Assert.Null(control.TopLevelControl);
Assert.False(control.UseWaitCursor);
Assert.Equal(0, control.Value);
Assert.True(control.Visible);
Assert.Equal(0, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_CreateParams_GetDefault_ReturnsExpected()
{
using SubScrollBar control = new();
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Equal("ScrollBar", createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(0, createParams.ExStyle);
Assert.Equal(0, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(0x56000000, createParams.Style);
Assert.Equal(0, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_AutoSize_Set_GetReturnsExpected(bool value)
{
using SubScrollBar control = new();
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set different.
control.AutoSize = !value;
Assert.Equal(!value, control.AutoSize);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_AutoSize_SetWithHandler_CallsAutoSizeChanged()
{
using SubScrollBar control = new()
{
AutoSize = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.AutoSizeChanged += handler;
// Set different.
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(1, callCount);
// Set same.
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(1, callCount);
// Set different.
control.AutoSize = true;
Assert.True(control.AutoSize);
Assert.Equal(2, callCount);
// Remove handler.
control.AutoSizeChanged -= handler;
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetBackColorTheoryData))]
public void ScrollBar_BackColor_Set_GetReturnsExpected(Color value, Color expected)
{
using SubScrollBar control = new()
{
BackColor = value
};
Assert.Equal(expected, control.BackColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_BackColor_SetWithHandler_CallsBackColorChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.BackColorChanged += handler;
// Set different.
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(1, callCount);
// Set same.
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(1, callCount);
// Set different.
control.BackColor = Color.Empty;
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Equal(2, callCount);
// Remove handler.
control.BackColorChanged -= handler;
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetImageTheoryData))]
public void ScrollBar_BackgroundImage_Set_GetReturnsExpected(Image value)
{
using SubScrollBar control = new()
{
BackgroundImage = value
};
Assert.Same(value, control.BackgroundImage);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackgroundImage = value;
Assert.Same(value, control.BackgroundImage);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_BackgroundImage_SetWithHandler_CallsBackgroundImageChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.BackgroundImageChanged += handler;
// Set different.
using Bitmap image1 = new(10, 10);
control.BackgroundImage = image1;
Assert.Same(image1, control.BackgroundImage);
Assert.Equal(1, callCount);
// Set same.
control.BackgroundImage = image1;
Assert.Same(image1, control.BackgroundImage);
Assert.Equal(1, callCount);
// Set different.
using Bitmap image2 = new(10, 10);
control.BackgroundImage = image2;
Assert.Same(image2, control.BackgroundImage);
Assert.Equal(2, callCount);
// Set null.
control.BackgroundImage = null;
Assert.Null(control.BackgroundImage);
Assert.Equal(3, callCount);
// Remove handler.
control.BackgroundImageChanged -= handler;
control.BackgroundImage = image1;
Assert.Same(image1, control.BackgroundImage);
Assert.Equal(3, callCount);
}
[WinFormsTheory]
[EnumData<ImageLayout>]
public void ScrollBar_BackgroundImageLayout_Set_GetReturnsExpected(ImageLayout value)
{
using SubScrollBar control = new()
{
BackgroundImageLayout = value
};
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackgroundImageLayout = value;
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_BackgroundImageLayout_SetWithHandler_CallsBackgroundImageLayoutChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.BackgroundImageLayoutChanged += handler;
// Set different.
control.BackgroundImageLayout = ImageLayout.Center;
Assert.Equal(ImageLayout.Center, control.BackgroundImageLayout);
Assert.Equal(1, callCount);
// Set same.
control.BackgroundImageLayout = ImageLayout.Center;
Assert.Equal(ImageLayout.Center, control.BackgroundImageLayout);
Assert.Equal(1, callCount);
// Set different.
control.BackgroundImageLayout = ImageLayout.Stretch;
Assert.Equal(ImageLayout.Stretch, control.BackgroundImageLayout);
Assert.Equal(2, callCount);
// Remove handler.
control.BackgroundImageLayoutChanged -= handler;
control.BackgroundImageLayout = ImageLayout.Center;
Assert.Equal(ImageLayout.Center, control.BackgroundImageLayout);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InvalidEnumData<ImageLayout>]
public void ScrollBar_BackgroundImageLayout_SetInvalid_ThrowsInvalidEnumArgumentException(ImageLayout value)
{
using SubScrollBar control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.BackgroundImageLayout = value);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_Enabled_Set_GetReturnsExpected(bool value)
{
using SubScrollBar control = new()
{
Enabled = value
};
Assert.Equal(value, control.Enabled);
Assert.False(control.IsHandleCreated);
// Set same.
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.False(control.IsHandleCreated);
// Set different.
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_Enabled_SetWithHandle_GetReturnsExpected(bool value)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public unsafe void ScrollBar_Enabled_GetScrollInfo_Updates()
{
using SubScrollBar control = new()
{
LargeChange = 15
};
// Enable.
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
control.Enabled = true;
Assert.True(PInvoke.GetScrollInfo(control.HWND, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(15u, si.nPage);
}
[WinFormsFact]
public void ScrollBar_Enabled_SetWithHandler_CallsEnabledChanged()
{
using SubScrollBar control = new()
{
Enabled = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.EnabledChanged += handler;
// Set different.
control.Enabled = false;
Assert.False(control.Enabled);
Assert.Equal(1, callCount);
// Set same.
control.Enabled = false;
Assert.False(control.Enabled);
Assert.Equal(1, callCount);
// Set different.
control.Enabled = true;
Assert.True(control.Enabled);
Assert.Equal(2, callCount);
// Remove handler.
control.EnabledChanged -= handler;
control.Enabled = false;
Assert.False(control.Enabled);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetFontTheoryData))]
public void ScrollBar_Font_Set_GetReturnsExpected(Font value)
{
using SubScrollBar control = new()
{
Font = value
};
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.False(control.IsHandleCreated);
// Set same.
control.Font = value;
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_Font_SetWithHandler_CallsFontChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.FontChanged += handler;
// Set different.
using Font font1 = new("Arial", 8.25f);
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(1, callCount);
// Set same.
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(1, callCount);
// Set different.
using var font2 = SystemFonts.DialogFont;
control.Font = font2;
Assert.Same(font2, control.Font);
Assert.Equal(2, callCount);
// Set null.
control.Font = null;
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(3, callCount);
// Remove handler.
control.FontChanged -= handler;
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(3, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetForeColorTheoryData))]
public void ScrollBar_ForeColor_Set_GetReturnsExpected(Color value, Color expected)
{
using SubScrollBar control = new()
{
ForeColor = value
};
Assert.Equal(expected, control.ForeColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.ForeColor = value;
Assert.Equal(expected, control.ForeColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_ForeColor_SetWithHandler_CallsForeColorChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ForeColorChanged += handler;
// Set different.
control.ForeColor = Color.Red;
Assert.Equal(Color.Red, control.ForeColor);
Assert.Equal(1, callCount);
// Set same.
control.ForeColor = Color.Red;
Assert.Equal(Color.Red, control.ForeColor);
Assert.Equal(1, callCount);
// Set different.
control.ForeColor = Color.Empty;
Assert.Equal(Control.DefaultForeColor, control.ForeColor);
Assert.Equal(2, callCount);
// Remove handler.
control.ForeColorChanged -= handler;
control.ForeColor = Color.Red;
Assert.Equal(Color.Red, control.ForeColor);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InlineData(RightToLeft.Inherit)]
[InlineData(RightToLeft.No)]
[InlineData(RightToLeft.Yes)]
public unsafe void ScrollBar_Handle_GetDefault_ReturnsExpected(RightToLeft rightToLeft)
{
using SubScrollBar control = new()
{
RightToLeft = rightToLeft,
Minimum = 5,
Value = 25,
Maximum = 105,
LargeChange = 15,
SmallChange = 10,
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(5, si.nMin);
Assert.Equal(105, si.nMax);
Assert.Equal(25, si.nPos);
Assert.Equal(15u, si.nPage);
}
[WinFormsTheory]
[EnumData<ImageLayout>]
public void ScrollBar_ImeMode_Set_GetReturnsExpected(ImeMode value)
{
using SubScrollBar control = new()
{
ImeMode = value
};
Assert.Equal(value, control.ImeMode);
Assert.False(control.IsHandleCreated);
// Set same.
control.ImeMode = value;
Assert.Equal(value, control.ImeMode);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_ImeMode_SetWithHandler_CallsImeModeChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ImeModeChanged += handler;
// Set different.
control.ImeMode = ImeMode.On;
Assert.Equal(ImeMode.On, control.ImeMode);
Assert.Equal(0, callCount);
// Set same.
control.ImeMode = ImeMode.On;
Assert.Equal(ImeMode.On, control.ImeMode);
Assert.Equal(0, callCount);
// Set different.
control.ImeMode = ImeMode.Off;
Assert.Equal(ImeMode.Off, control.ImeMode);
Assert.Equal(0, callCount);
// Remove handler.
control.ImeModeChanged -= handler;
control.ImeMode = ImeMode.Off;
Assert.Equal(ImeMode.Off, control.ImeMode);
Assert.Equal(0, callCount);
}
[WinFormsTheory]
[InvalidEnumData<ImeMode>]
public void ScrollBar_ImeMode_SetInvalid_ThrowsInvalidEnumArgumentException(ImeMode value)
{
using SubScrollBar control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.ImeMode = value);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(10)]
[InlineData(11)]
public void ScrollBar_LargeChange_Set_GetReturnsExpected(int value)
{
using SubScrollBar control = new()
{
LargeChange = value
};
Assert.Equal(value, control.LargeChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.LargeChange = value;
Assert.Equal(value, control.LargeChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_LargeChange_SetLarge_GetReturnsExpected()
{
using SubScrollBar control = new()
{
Minimum = 5,
Maximum = 10,
LargeChange = 7
};
Assert.Equal(6, control.LargeChange);
Assert.False(control.IsHandleCreated);
// Change maximum.
control.Maximum = 15;
Assert.Equal(7, control.LargeChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(10)]
[InlineData(11)]
public unsafe void ScrollBar_LargeChange_SetWithHandle_GetReturnsExpected(int value)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.LargeChange = value;
Assert.Equal(value, control.LargeChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal((uint)value, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.LargeChange = value;
Assert.Equal(value, control.LargeChange);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal((uint)value, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(10)]
[InlineData(11)]
public unsafe void ScrollBar_LargeChange_SetWithHandleDisabled_GetReturnsExpected(int value)
{
using SubScrollBar control = new()
{
Enabled = false
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.LargeChange = value;
Assert.Equal(value, control.LargeChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.LargeChange = value;
Assert.Equal(value, control.LargeChange);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_LargeChange_SetNegative_ThrowsArgumentOutOfRangeException()
{
using SubScrollBar control = new();
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.LargeChange = -1);
Assert.Equal(10, control.LargeChange);
}
[WinFormsTheory]
[InlineData(0, 1)]
[InlineData(8, 9)]
[InlineData(10, 10)]
[InlineData(11, 10)]
public void ScrollBar_Maximum_Set_GetReturnsExpected(int value, int expectedLargeChange)
{
using SubScrollBar control = new()
{
Maximum = value
};
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(expectedLargeChange, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(expectedLargeChange, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0, 1)]
[InlineData(8, 9)]
[InlineData(10, 10)]
[InlineData(11, 10)]
public unsafe void ScrollBar_Maximum_SetWithHandle_GetReturnsExpected(int value, int expectedLargeChange)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(expectedLargeChange, control.LargeChange);
Assert.Equal(1, control.SmallChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(value, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal((uint)expectedLargeChange, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(expectedLargeChange, control.LargeChange);
Assert.Equal(1, control.SmallChange);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(value, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal((uint)expectedLargeChange, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(0, 1)]
[InlineData(8, 9)]
[InlineData(10, 10)]
[InlineData(11, 10)]
public unsafe void ScrollBar_Maximum_SetWithHandleDisabled_GetReturnsExpected(int value, int expectedLargeChange)
{
using SubScrollBar control = new()
{
Enabled = false
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(expectedLargeChange, control.LargeChange);
Assert.Equal(1, control.SmallChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(expectedLargeChange, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(0, createdCallCount);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_Maximum_SetLessThanValueAndMinimum_SetsValueAndMinimum()
{
using SubScrollBar control = new()
{
Value = 10,
Minimum = 8,
Maximum = 5
};
Assert.Equal(5, control.Maximum);
Assert.Equal(5, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(1, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_Maximum_SetNegative_SetsValueAndMinimum()
{
using SubScrollBar control = new()
{
Maximum = -1
};
Assert.Equal(-1, control.Maximum);
Assert.Equal(-1, control.Minimum);
Assert.Equal(-1, control.Value);
Assert.Equal(1, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(5)]
public void ScrollBar_Minimum_Set_GetReturnsExpected(int value)
{
using SubScrollBar control = new()
{
Value = 5,
Minimum = value
};
Assert.Equal(100, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.Minimum = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(5)]
public unsafe void ScrollBar_Minimum_SetWithHandle_GetReturnsExpected(int value)
{
using SubScrollBar control = new()
{
Value = 5
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Minimum = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(100, si.nMax);
Assert.Equal(value, si.nMin);
Assert.Equal(5, si.nPos);
Assert.Equal(10u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Minimum = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(100, si.nMax);
Assert.Equal(value, si.nMin);
Assert.Equal(5, si.nPos);
Assert.Equal(10u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(5)]
public unsafe void ScrollBar_Minimum_SetWithHandleDisabled_GetReturnsExpected(int value)
{
using SubScrollBar control = new()
{
Value = 5,
Enabled = false
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Minimum = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Minimum = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_Minimum_SetGreaterThanValueAndMaximum_SetsValueAndMinimum()
{
using SubScrollBar control = new()
{
Value = 10,
Maximum = 8,
Minimum = 12
};
Assert.Equal(12, control.Maximum);
Assert.Equal(12, control.Minimum);
Assert.Equal(12, control.Value);
Assert.Equal(1, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetRightToLeftTheoryData))]
public void ScrollBar_RightToLeft_Set_GetReturnsExpected(RightToLeft value, RightToLeft expected)
{
using SubScrollBar control = new()
{
RightToLeft = value
};
Assert.Equal(expected, control.RightToLeft);
Assert.False(control.IsHandleCreated);
// Set same.
control.RightToLeft = value;
Assert.Equal(expected, control.RightToLeft);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_RightToLeft_SetWithHandler_CallsRightToLeftChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.RightToLeftChanged += handler;
// Set different.
control.RightToLeft = RightToLeft.Yes;
Assert.Equal(RightToLeft.Yes, control.RightToLeft);
Assert.Equal(1, callCount);
// Set same.
control.RightToLeft = RightToLeft.Yes;
Assert.Equal(RightToLeft.Yes, control.RightToLeft);
Assert.Equal(1, callCount);
// Set different.
control.RightToLeft = RightToLeft.Inherit;
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.Equal(2, callCount);
// Remove handler.
control.RightToLeftChanged -= handler;
control.RightToLeft = RightToLeft.Yes;
Assert.Equal(RightToLeft.Yes, control.RightToLeft);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InvalidEnumData<RightToLeft>]
public void ScrollBar_RightToLeft_SetInvalid_ThrowsInvalidEnumArgumentException(RightToLeft value)
{
using SubScrollBar control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.RightToLeft = value);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_ScaleScrollBarForDpiChange_Set_GetReturnsExpected(bool value)
{
using SubScrollBar control = new()
{
ScaleScrollBarForDpiChange = value
};
Assert.Equal(value, control.ScaleScrollBarForDpiChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.ScaleScrollBarForDpiChange = value;
Assert.Equal(value, control.ScaleScrollBarForDpiChange);
Assert.False(control.IsHandleCreated);
// Set different.
control.ScaleScrollBarForDpiChange = !value;
Assert.Equal(!value, control.ScaleScrollBarForDpiChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0, 0)]
[InlineData(1, 1)]
[InlineData(5, 5)]
[InlineData(10, 10)]
[InlineData(11, 10)]
public void ScrollBar_SmallChange_Set_GetReturnsExpected(int value, int expected)
{
using SubScrollBar control = new()
{
SmallChange = value
};
Assert.Equal(expected, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.SmallChange = value;
Assert.Equal(expected, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void ScrollBar_SmallChange_SetLarge_GetReturnsExpected()
{
using SubScrollBar control = new()
{
LargeChange = 10,
SmallChange = 11
};
Assert.Equal(10, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Change large change.
control.LargeChange = 15;
Assert.Equal(11, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0, 0)]
[InlineData(1, 1)]
[InlineData(5, 5)]
[InlineData(10, 10)]
[InlineData(11, 10)]
public void ScrollBar_SmallChange_SetWithHandle_GetReturnsExpected(int value, int expected)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.SmallChange = value;
Assert.Equal(expected, control.SmallChange);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.SmallChange = value;
Assert.Equal(expected, control.SmallChange);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(0, 0)]
[InlineData(1, 1)]
[InlineData(5, 5)]
[InlineData(10, 10)]
[InlineData(11, 10)]
public void ScrollBar_SmallChange_SetWithHandleDisabled_GetReturnsExpected(int value, int expected)
{
using SubScrollBar control = new()
{
Enabled = false
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.SmallChange = value;
Assert.Equal(expected, control.SmallChange);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.SmallChange = value;
Assert.Equal(expected, control.SmallChange);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_SmallChange_SetNegative_ThrowsArgumentOutOfRangeException()
{
using SubScrollBar control = new();
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.SmallChange = -1);
Assert.Equal(1, control.SmallChange);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_TabStop_Set_GetReturnsExpected(bool value)
{
using SubScrollBar control = new()
{
TabStop = value
};
Assert.Equal(value, control.TabStop);
Assert.False(control.IsHandleCreated);
// Set same.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.False(control.IsHandleCreated);
// Set different.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_TabStop_SetWithHandle_GetReturnsExpected(bool value)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_TabStop_SetWithHandler_CallsTabStopChanged()
{
using SubScrollBar control = new()
{
TabStop = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.TabStopChanged += handler;
// Set different.
control.TabStop = false;
Assert.False(control.TabStop);
Assert.Equal(1, callCount);
// Set same.
control.TabStop = false;
Assert.False(control.TabStop);
Assert.Equal(1, callCount);
// Set different.
control.TabStop = true;
Assert.True(control.TabStop);
Assert.Equal(2, callCount);
// Remove handler.
control.TabStopChanged -= handler;
control.TabStop = false;
Assert.False(control.TabStop);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[NormalizedStringData]
public void ScrollBar_Text_Set_GetReturnsExpected(string value, string expected)
{
using SubScrollBar control = new()
{
Text = value
};
Assert.Equal(expected, control.Text);
Assert.False(control.IsHandleCreated);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void ScrollBar_Text_SetWithHandle_GetReturnsExpected(string value, string expected)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_Text_SetWithHandler_CallsTextChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Equal(EventArgs.Empty, e);
callCount++;
};
control.TextChanged += handler;
// Set different.
control.Text = "text";
Assert.Equal("text", control.Text);
Assert.Equal(1, callCount);
// Set same.
control.Text = "text";
Assert.Equal("text", control.Text);
Assert.Equal(1, callCount);
// Set different.
control.Text = null;
Assert.Empty(control.Text);
Assert.Equal(2, callCount);
// Remove handler.
control.TextChanged -= handler;
control.Text = "text";
Assert.Equal("text", control.Text);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(5)]
[InlineData(90)]
[InlineData(91)]
[InlineData(100)]
public void ScrollBar_Value_Set_GetReturnsExpected(int value)
{
using SubScrollBar control = new()
{
Value = value
};
Assert.Equal(100, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.Value = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0, 0)]
[InlineData(5, 5)]
[InlineData(90, 90)]
[InlineData(91, 91)]
[InlineData(100, 91)]
public unsafe void ScrollBar_Value_SetWithHandle_GetReturnsExpected(int value, int expectedPos)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Value = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(100, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(expectedPos, si.nPos);
Assert.Equal(10u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Value = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(100, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(expectedPos, si.nPos);
Assert.Equal(10u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(5)]
[InlineData(90)]
[InlineData(91)]
[InlineData(100)]
public unsafe void ScrollBar_Value_SetWithHandleDisabled_GetReturnsExpected(int value)
{
using SubScrollBar control = new()
{
Enabled = false
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Value = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
SCROLLINFO si = new()
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Value = value;
Assert.Equal(100, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(10, control.LargeChange);
Assert.Equal(1, control.SmallChange);
si = new SCROLLINFO
{
cbSize = (uint)sizeof(SCROLLINFO),
fMask = SCROLLINFO_MASK.SIF_ALL
};
Assert.True(PInvoke.GetScrollInfo((HWND)control.Handle, SCROLLBAR_CONSTANTS.SB_CTL, ref si));
Assert.Equal(0, si.nMax);
Assert.Equal(0, si.nMin);
Assert.Equal(0, si.nPos);
Assert.Equal(0u, si.nPage);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_Value_SetWithHandler_CallsValueChanged()
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler valueChangedHandler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ValueChanged += valueChangedHandler;
// Set different.
control.Value = 1;
Assert.Equal(1, control.Value);
Assert.Equal(1, callCount);
// Set same.
control.Value = 1;
Assert.Equal(1, control.Value);
Assert.Equal(1, callCount);
// Set different.
control.Value = 2;
Assert.Equal(2, control.Value);
Assert.Equal(2, callCount);
// Remove handler.
control.ValueChanged -= valueChangedHandler;
control.Value = 1;
Assert.Equal(1, control.Value);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(101)]
public void ScrollBar_Value_SetOutOfRange_ThrowsArgumentOutOfRangeException(int value)
{
using SubScrollBar control = new();
string paramName = "value";
ArgumentOutOfRangeException ex = Assert.Throws<ArgumentOutOfRangeException>(paramName, () => control.Value = value);
string expectedMessage = new ArgumentOutOfRangeException(paramName, string.Format(SR.InvalidBoundArgument, nameof(control.Value), value, $"'{nameof(control.Minimum)}'", $"'{nameof(control.Maximum)}'")).Message;
Assert.Equal(expectedMessage, ex.Message);
Assert.Equal(0, control.Value);
}
[WinFormsFact]
public void ScrollBar_GetAutoSizeMode_Invoke_ReturnsExpected()
{
using SubScrollBar control = new();
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
}
public static IEnumerable<object[]> GetScaledBounds_TestData()
{
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
yield return new object[] { Rectangle.Empty, new Size(0, 0), specified, Rectangle.Empty };
yield return new object[] { Rectangle.Empty, new Size(1, 1), specified, Rectangle.Empty };
yield return new object[] { Rectangle.Empty, new Size(2, 3), specified, Rectangle.Empty };
yield return new object[] { Rectangle.Empty, new Size(-2, -3), specified, Rectangle.Empty };
}
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.All, new Rectangle(0, 0, 0, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.X, new Rectangle(0, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.Y, new Rectangle(1, 0, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.Width, new Rectangle(1, 2, 0, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.Height, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.All, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.X, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.Y, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.Width, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.Height, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.All, new Rectangle(2, 6, 6, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.X, new Rectangle(2, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.Y, new Rectangle(1, 6, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.Width, new Rectangle(1, 2, 6, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.Height, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.All, new Rectangle(-2, -6, -6, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.X, new Rectangle(-2, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.Y, new Rectangle(1, -6, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.Width, new Rectangle(1, 2, -6, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.Height, new Rectangle(1, 2, 3, 4) };
}
[WinFormsTheory]
[MemberData(nameof(GetScaledBounds_TestData))]
public void ScrollBar_GetScaledBounds_Invoke_ReturnsExpected(Rectangle bounds, SizeF factor, BoundsSpecified specified, Rectangle expected)
{
using SubScrollBar control = new();
Assert.Equal(expected, control.GetScaledBounds(bounds, factor, specified));
Assert.False(control.IsHandleCreated);
// Call again.
Assert.Equal(expected, control.GetScaledBounds(bounds, factor, specified));
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> GetScaledBounds_Vertical_TestData()
{
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
yield return new object[] { Rectangle.Empty, new Size(0, 0), specified, Rectangle.Empty };
yield return new object[] { Rectangle.Empty, new Size(1, 1), specified, Rectangle.Empty };
yield return new object[] { Rectangle.Empty, new Size(2, 3), specified, Rectangle.Empty };
yield return new object[] { Rectangle.Empty, new Size(-2, -3), specified, Rectangle.Empty };
}
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.All, new Rectangle(0, 0, 3, 0) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.X, new Rectangle(0, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.Y, new Rectangle(1, 0, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.Width, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(0, 0), BoundsSpecified.Height, new Rectangle(1, 2, 3, 0) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.All, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.X, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.Y, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.Width, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(1, 1), BoundsSpecified.Height, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.All, new Rectangle(2, 6, 3, 12) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.X, new Rectangle(2, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.Y, new Rectangle(1, 6, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.Width, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(2, 3), BoundsSpecified.Height, new Rectangle(1, 2, 3, 12) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.All, new Rectangle(-2, -6, 3, -12) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.X, new Rectangle(-2, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.Y, new Rectangle(1, -6, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.Width, new Rectangle(1, 2, 3, 4) };
yield return new object[] { new Rectangle(1, 2, 3, 4), new Size(-2, -3), BoundsSpecified.Height, new Rectangle(1, 2, 3, -12) };
}
[WinFormsTheory]
[MemberData(nameof(GetScaledBounds_Vertical_TestData))]
public void ScrollBar_GetScaledBounds_InvokeVertical_ReturnsExpected(Rectangle bounds, SizeF factor, BoundsSpecified specified, Rectangle expected)
{
using VerticalScrollBar control = new();
Assert.Equal(expected, control.GetScaledBounds(bounds, factor, specified));
Assert.False(control.IsHandleCreated);
// Call again.
Assert.Equal(expected, control.GetScaledBounds(bounds, factor, specified));
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(ControlStyles.ContainerControl, false)]
[InlineData(ControlStyles.UserPaint, false)]
[InlineData(ControlStyles.Opaque, false)]
[InlineData(ControlStyles.ResizeRedraw, false)]
[InlineData(ControlStyles.FixedWidth, false)]
[InlineData(ControlStyles.FixedHeight, false)]
[InlineData(ControlStyles.StandardClick, false)]
[InlineData(ControlStyles.Selectable, true)]
[InlineData(ControlStyles.UserMouse, false)]
[InlineData(ControlStyles.SupportsTransparentBackColor, false)]
[InlineData(ControlStyles.StandardDoubleClick, true)]
[InlineData(ControlStyles.AllPaintingInWmPaint, true)]
[InlineData(ControlStyles.CacheText, false)]
[InlineData(ControlStyles.EnableNotifyMessage, false)]
[InlineData(ControlStyles.DoubleBuffer, false)]
[InlineData(ControlStyles.OptimizedDoubleBuffer, false)]
[InlineData(ControlStyles.UseTextForAccessibility, false)]
[InlineData((ControlStyles)0, true)]
[InlineData((ControlStyles)int.MaxValue, false)]
[InlineData((ControlStyles)(-1), false)]
public void ScrollBar_GetStyle_Invoke_ReturnsExpected(ControlStyles flag, bool expected)
{
using SubScrollBar control = new();
Assert.Equal(expected, control.GetStyle(flag));
// Call again to test caching.
Assert.Equal(expected, control.GetStyle(flag));
}
[WinFormsFact]
public void ScrollBar_GetTopLevel_Invoke_ReturnsExpected()
{
using SubScrollBar control = new();
Assert.False(control.GetTopLevel());
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void ScrollBar_OnClick_Invoke_CallsClick(EventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Click += handler;
control.OnClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.Click -= handler;
control.OnClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void ScrollBar_OnDoubleClick_Invoke_CallsDoubleClick(EventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.DoubleClick += handler;
control.OnDoubleClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.DoubleClick -= handler;
control.OnDoubleClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void ScrollBar_OnEnabledChanged_Invoke_CallsEnabled(EventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.EnabledChanged += handler;
control.OnEnabledChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.EnabledChanged -= handler;
control.OnEnabledChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void ScrollBar_OnEnabledChanged_InvokeWithHandle_CallsEnabledChanged(EventArgs eventArgs)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.EnabledChanged += handler;
control.OnEnabledChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.EnabledChanged -= handler;
control.OnEnabledChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void ScrollBar_OnHandleCreated_Invoke_CallsHandleCreated(EventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleCreated += handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.HandleCreated -= handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void ScrollBar_OnHandleCreated_InvokeWithHandle_CallsHandleCreated(EventArgs eventArgs)
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleCreated += handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
// Remove handler.
control.HandleCreated -= handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void ScrollBar_OnMouseClick_Invoke_CallsMouseClick(MouseEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseClick += handler;
control.OnMouseClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseClick -= handler;
control.OnMouseClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void ScrollBar_OnMouseDoubleClick_Invoke_CallsMouseDoubleClick(MouseEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseDoubleClick += handler;
control.OnMouseDoubleClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseDoubleClick -= handler;
control.OnMouseDoubleClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void ScrollBar_OnMouseDown_Invoke_CallsMouseDown(MouseEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseDown += handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseDown -= handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void ScrollBar_OnMouseMove_Invoke_CallsMouseMove(MouseEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseMove += handler;
control.OnMouseMove(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseMove -= handler;
control.OnMouseMove(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void ScrollBar_OnMouseUp_Invoke_CallsMouseUp(MouseEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseUp += handler;
control.OnMouseUp(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseUp -= handler;
control.OnMouseUp(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void ScrollBar_OnMouseWheel_Invoke_CallsMouseWheel(MouseEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseWheel += handler;
control.OnMouseWheel(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseWheel -= handler;
control.OnMouseWheel(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsFact]
public void ScrollBar_OnMouseWheel_InvokeHandledMouseEventArgs_SetsHandled()
{
using SubScrollBar control = new();
HandledMouseEventArgs eventArgs = new(MouseButtons.Left, 1, 2, 3, 4);
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
Assert.True(eventArgs.Handled);
callCount++;
};
control.MouseWheel += handler;
control.OnMouseWheel(eventArgs);
Assert.Equal(1, callCount);
Assert.True(eventArgs.Handled);
}
public static IEnumerable<object[]> OnMouseWheel_TestData()
{
yield return new object[] { RightToLeft.No, 10, -119, new List<ScrollEventArgs>(), 10 };
yield return new object[] { RightToLeft.No, 10, 0, new List<ScrollEventArgs>(), 10 };
yield return new object[] { RightToLeft.No, 10, 119, new List<ScrollEventArgs>(), 10 };
yield return new object[] { RightToLeft.Yes, 10, -119, new List<ScrollEventArgs>(), 10 };
yield return new object[] { RightToLeft.Yes, 10, 0, new List<ScrollEventArgs>(), 10 };
yield return new object[] { RightToLeft.Yes, 10, 119, new List<ScrollEventArgs>(), 10 };
// Decrement.
yield return new object[]
{
RightToLeft.No, 10, 120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 10, 9),
new(ScrollEventType.EndScroll, 9, 9),
}, 9
};
yield return new object[]
{
RightToLeft.No, 10, 121,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 10, 9),
new(ScrollEventType.EndScroll, 9, 9),
}, 9
};
yield return new object[]
{
RightToLeft.No, 10, 240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 10, 9),
new(ScrollEventType.SmallDecrement, 9, 8),
new(ScrollEventType.EndScroll, 8, 8),
}, 8
};
yield return new object[]
{
RightToLeft.No, 1, 120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 1, 0),
new(ScrollEventType.EndScroll, 0, 0),
}, 0
};
yield return new object[]
{
RightToLeft.No, 1, 240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 1, 0),
new(ScrollEventType.SmallDecrement, 0, 0),
new(ScrollEventType.EndScroll, 0, 0),
}, 0
};
yield return new object[]
{
RightToLeft.No, 100, 240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 100, 99),
new(ScrollEventType.SmallDecrement, 99, 98),
new(ScrollEventType.EndScroll, 98, 98),
}, 98
};
yield return new object[]
{
RightToLeft.Yes, 10, -120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 10, 9),
new(ScrollEventType.EndScroll, 9, 9),
}, 9
};
yield return new object[]
{
RightToLeft.Yes, 10, -121,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 10, 9),
new(ScrollEventType.EndScroll, 9, 9),
}, 9
};
yield return new object[]
{
RightToLeft.Yes, 10, -240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 10, 9),
new(ScrollEventType.SmallDecrement, 9, 8),
new(ScrollEventType.EndScroll, 8, 8),
}, 8
};
yield return new object[]
{
RightToLeft.Yes, 1, -120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 1, 0),
new(ScrollEventType.EndScroll, 0, 0),
}, 0
};
yield return new object[]
{
RightToLeft.Yes, 1, -240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 1, 0),
new(ScrollEventType.SmallDecrement, 0, 0),
new(ScrollEventType.EndScroll, 0, 0),
}, 0
};
yield return new object[]
{
RightToLeft.Yes, 100, -240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallDecrement, 100, 99),
new(ScrollEventType.SmallDecrement, 99, 98),
new(ScrollEventType.EndScroll, 98, 98),
}, 98
};
// Increment.
yield return new object[]
{
RightToLeft.No, 10, -120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 10, 11),
new(ScrollEventType.EndScroll, 11, 11),
}, 11
};
yield return new object[]
{
RightToLeft.No, 10, -121,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 10, 11),
new(ScrollEventType.EndScroll, 11, 11),
}, 11
};
yield return new object[]
{
RightToLeft.No, 10, -240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 10, 11),
new(ScrollEventType.SmallIncrement, 11, 12),
new(ScrollEventType.EndScroll, 12, 12),
}, 12
};
yield return new object[]
{
RightToLeft.No, 90, -120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 90, 91),
new(ScrollEventType.EndScroll, 91, 91),
}, 91
};
yield return new object[]
{
RightToLeft.No, 99, -120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 99, 91),
new(ScrollEventType.EndScroll, 91, 91),
}, 91
};
yield return new object[]
{
RightToLeft.No, 99, -240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 99, 91),
new(ScrollEventType.SmallIncrement, 91, 91),
new(ScrollEventType.EndScroll, 91, 91),
}, 91
};
yield return new object[]
{
RightToLeft.Yes, 10, 120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 10, 11),
new(ScrollEventType.EndScroll, 11, 11),
}, 11
};
yield return new object[]
{
RightToLeft.Yes, 10, 121,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 10, 11),
new(ScrollEventType.EndScroll, 11, 11),
}, 11
};
yield return new object[]
{
RightToLeft.Yes, 10, 240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 10, 11),
new(ScrollEventType.SmallIncrement, 11, 12),
new(ScrollEventType.EndScroll, 12, 12),
}, 12
};
yield return new object[]
{
RightToLeft.Yes, 90, 120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 90, 91),
new(ScrollEventType.EndScroll, 91, 91),
}, 91
};
yield return new object[]
{
RightToLeft.Yes, 99, 120,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 99, 91),
new(ScrollEventType.EndScroll, 91, 91),
}, 91
};
yield return new object[]
{
RightToLeft.Yes, 99, 240,
new List<ScrollEventArgs>
{
new(ScrollEventType.SmallIncrement, 99, 91),
new(ScrollEventType.SmallIncrement, 91, 91),
new(ScrollEventType.EndScroll, 91, 91),
}, 91
};
}
[WinFormsTheory]
[MemberData(nameof(OnMouseWheel_TestData))]
public void ScrollBar_OnMouseWheel_InvokeWithScroll_CallsScroll(RightToLeft rightToLeft, int originalValue, int delta, IList<ScrollEventArgs> expected, int expectedValue)
{
using SubScrollBar control = new()
{
RightToLeft = rightToLeft,
Value = originalValue
};
MouseEventArgs eventArgs = new(MouseButtons.Left, 0, 0, 0, delta);
int callCount = 0;
ScrollEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Equal(expected[callCount].Type, e.Type);
Assert.Equal(expected[callCount].NewValue, e.NewValue);
Assert.Equal(expected[callCount].OldValue, e.OldValue);
Assert.Equal(ScrollOrientation.HorizontalScroll, e.ScrollOrientation);
callCount++;
};
control.Scroll += handler;
control.OnMouseWheel(eventArgs);
Assert.Equal(expectedValue, control.Value);
Assert.Equal(expected.Count, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetPaintEventArgsTheoryData))]
public void ScrollBar_OnPaint_Invoke_CallsPaint(PaintEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
PaintEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Paint += handler;
control.OnPaint(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.Paint -= handler;
control.OnPaint(eventArgs);
Assert.Equal(1, callCount);
}
public static IEnumerable<object[]> OnScroll_TestData()
{
yield return new object[] { null };
yield return new object[] { new ScrollEventArgs(ScrollEventType.SmallDecrement, 2) };
}
[WinFormsTheory]
[MemberData(nameof(OnScroll_TestData))]
public void ScrollBar_OnScroll_Invoke_CallsScroll(ScrollEventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
ScrollEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Scroll += handler;
control.OnScroll(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.Scroll -= handler;
control.OnScroll(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void ScrollBar_OnValueChanged_Invoke_CallsValueChanged(EventArgs eventArgs)
{
using SubScrollBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.ValueChanged += handler;
control.OnValueChanged(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.ValueChanged -= handler;
control.OnValueChanged(eventArgs);
Assert.Equal(1, callCount);
}
public static IEnumerable<object[]> ScaleScrollBarForDpi_WithSize_TestData()
{
yield return new object[] { true, 100, 200, ScrollOrientation.HorizontalScroll, new Size(10, 20), new Size(20, 20) };
yield return new object[] { true, 200, 100, ScrollOrientation.HorizontalScroll, new Size(10, 20), new Size(5, 20) };
yield return new object[] { true, 100, 200, ScrollOrientation.VerticalScroll, new Size(10, 20), new Size(10, 40) };
yield return new object[] { true, 200, 100, ScrollOrientation.VerticalScroll, new Size(10, 20), new Size(10, 10) };
yield return new object[] { false, 100, 200, ScrollOrientation.HorizontalScroll, new Size(10, 20), new Size(10, 20) };
yield return new object[] { false, 100, 100, ScrollOrientation.VerticalScroll, new Size(10, 20), new Size(10, 20) };
}
[WinFormsTheory]
[MemberData(nameof(ScaleScrollBarForDpi_WithSize_TestData))]
public void ScrollBar_ScaleScrollBarForDpi_InvokeWithSize_Nop(bool scaleScrollBarForDpiChange, int deviceDpiOld, int deviceDpiNew, ScrollOrientation orientation, Size controlSize, Size expected)
{
using SubScrollBar control = new()
{
ScaleScrollBarForDpiChange = scaleScrollBarForDpiChange,
Size = controlSize
};
control.TestAccessor().Dynamic._scrollOrientation = orientation;
SizeF factor = new (((float)deviceDpiNew) / deviceDpiOld, ((float)deviceDpiNew) / deviceDpiOld);
control.ScaleControl(factor, factor);
Assert.Equal(expected, control.Size);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_UpdateScrollInfo_NoHandle_Success(bool enabled)
{
using SubScrollBar control = new()
{
Enabled = enabled
};
control.UpdateScrollInfo();
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_UpdateScrollInfo_WithHandle_Success(bool enabled)
{
using SubScrollBar control = new()
{
Enabled = enabled
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.UpdateScrollInfo();
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[BoolData]
public void ScrollBar_UpdateScrollInfo_WithHandleRightToLeft_Success(bool enabled)
{
using SubScrollBar control = new()
{
Enabled = enabled,
RightToLeft = RightToLeft.Yes
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.UpdateScrollInfo();
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_ToString_Invoke_ReturnsExpected()
{
using SubScrollBar control = new();
Assert.Equal("System.Windows.Forms.Tests.ScrollBarTests+SubScrollBar, Minimum: 0, Maximum: 100, Value: 0", control.ToString());
}
public static IEnumerable<object[]> WndProc_EraseBkgnd_TestData()
{
foreach (bool userPaint in new bool[] { true, false })
{
foreach (bool allPaintingInWmPaint in new bool[] { true, false })
{
foreach (bool opaque in new bool[] { true, false })
{
yield return new object[] { userPaint, allPaintingInWmPaint, opaque };
}
}
}
}
[WinFormsTheory]
[MemberData(nameof(WndProc_EraseBkgnd_TestData))]
public void Control_WndProc_InvokeEraseBkgnd_Nop(bool userPaint, bool allPaintingInWmPaint, bool opaque)
{
using SubScrollBar control = new();
control.SetStyle(ControlStyles.UserPaint, userPaint);
control.SetStyle(ControlStyles.AllPaintingInWmPaint, allPaintingInWmPaint);
control.SetStyle(ControlStyles.Opaque, opaque);
int paintCallCount = 0;
control.Paint += (sender, e) => paintCallCount++;
Message m = new()
{
Msg = (int)PInvoke.WM_ERASEBKGND,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(250, m.Result);
Assert.False(control.IsHandleCreated);
Assert.Equal(0, paintCallCount);
}
public static IEnumerable<object[]> WndProc_Scroll_TestData()
{
foreach (MessageId msg in new MessageId[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, MessageId.WM_REFLECT | PInvoke.WM_VSCROLL })
{
yield return new object[] { msg, RightToLeft.No, 100, ScrollEventType.SmallIncrement, 91, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 99, ScrollEventType.SmallIncrement, 91, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 91, ScrollEventType.SmallIncrement, 91, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 85, ScrollEventType.SmallIncrement, 86, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 15, ScrollEventType.SmallIncrement, 16, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.SmallIncrement, 11, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 1, ScrollEventType.SmallIncrement, 2, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 0, ScrollEventType.SmallIncrement, 1, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 100, ScrollEventType.SmallDecrement, 91, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 99, ScrollEventType.SmallDecrement, 91, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 91, ScrollEventType.SmallDecrement, 91, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 85, ScrollEventType.SmallDecrement, 86, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 15, ScrollEventType.SmallDecrement, 16, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.SmallDecrement, 11, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 1, ScrollEventType.SmallDecrement, 2, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.Yes, 0, ScrollEventType.SmallDecrement, 1, ScrollEventType.SmallIncrement };
yield return new object[] { msg, RightToLeft.No, 100, ScrollEventType.LargeIncrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 99, ScrollEventType.LargeIncrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 91, ScrollEventType.LargeIncrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 85, ScrollEventType.LargeIncrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 15, ScrollEventType.LargeIncrement, 25, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.LargeIncrement, 20, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 1, ScrollEventType.LargeIncrement, 11, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 0, ScrollEventType.LargeIncrement, 10, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 100, ScrollEventType.LargeDecrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 99, ScrollEventType.LargeDecrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 91, ScrollEventType.LargeDecrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 85, ScrollEventType.LargeDecrement, 91, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 15, ScrollEventType.LargeDecrement, 25, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.LargeDecrement, 20, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 1, ScrollEventType.LargeDecrement, 11, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.Yes, 0, ScrollEventType.LargeDecrement, 10, ScrollEventType.LargeIncrement };
yield return new object[] { msg, RightToLeft.No, 100, ScrollEventType.SmallDecrement, 99, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 99, ScrollEventType.SmallDecrement, 98, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 91, ScrollEventType.SmallDecrement, 90, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 85, ScrollEventType.SmallDecrement, 84, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 15, ScrollEventType.SmallDecrement, 14, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.SmallDecrement, 9, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 1, ScrollEventType.SmallDecrement, 0, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 0, ScrollEventType.SmallDecrement, 0, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 100, ScrollEventType.SmallIncrement, 99, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 99, ScrollEventType.SmallIncrement, 98, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 91, ScrollEventType.SmallIncrement, 90, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 85, ScrollEventType.SmallIncrement, 84, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 15, ScrollEventType.SmallIncrement, 14, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.SmallIncrement, 9, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 1, ScrollEventType.SmallIncrement, 0, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.Yes, 0, ScrollEventType.SmallIncrement, 0, ScrollEventType.SmallDecrement };
yield return new object[] { msg, RightToLeft.No, 100, ScrollEventType.LargeDecrement, 90, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 99, ScrollEventType.LargeDecrement, 89, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 91, ScrollEventType.LargeDecrement, 81, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 85, ScrollEventType.LargeDecrement, 75, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 15, ScrollEventType.LargeDecrement, 5, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.LargeDecrement, 0, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 1, ScrollEventType.LargeDecrement, 0, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 0, ScrollEventType.LargeDecrement, 0, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 100, ScrollEventType.LargeIncrement, 90, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 99, ScrollEventType.LargeIncrement, 89, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 91, ScrollEventType.LargeIncrement, 81, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 85, ScrollEventType.LargeIncrement, 75, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 15, ScrollEventType.LargeIncrement, 5, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.LargeIncrement, 0, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 1, ScrollEventType.LargeIncrement, 0, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.Yes, 0, ScrollEventType.LargeIncrement, 0, ScrollEventType.LargeDecrement };
yield return new object[] { msg, RightToLeft.No, 100, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 99, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 91, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 85, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 15, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 1, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 0, ScrollEventType.First, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 100, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 99, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 91, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 85, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 15, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 1, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.Yes, 0, ScrollEventType.Last, 0, ScrollEventType.First };
yield return new object[] { msg, RightToLeft.No, 100, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 99, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 91, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 85, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 15, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 1, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 0, ScrollEventType.Last, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 100, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 99, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 91, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 85, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 15, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 1, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.Yes, 0, ScrollEventType.First, 91, ScrollEventType.Last };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.EndScroll, 10, ScrollEventType.EndScroll };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.EndScroll, 10, ScrollEventType.EndScroll };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.ThumbPosition, 10, ScrollEventType.ThumbPosition };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.ThumbPosition, 10, ScrollEventType.ThumbPosition };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.ThumbTrack, 10, ScrollEventType.ThumbTrack };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.ThumbTrack, 10, ScrollEventType.ThumbTrack };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.SmallDecrement - 1, 10, (ScrollEventType)ushort.MaxValue };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.SmallDecrement - 1, 10, (ScrollEventType)ushort.MaxValue };
yield return new object[] { msg, RightToLeft.No, 10, ScrollEventType.EndScroll + 1, 10, ScrollEventType.EndScroll + 1 };
yield return new object[] { msg, RightToLeft.Yes, 10, ScrollEventType.EndScroll + 1, 10, ScrollEventType.EndScroll + 1 };
}
}
[WinFormsTheory]
[MemberData(nameof(WndProc_Scroll_TestData))]
public void ScrollBar_WndProc_InvokeScroll_Success(int msg, RightToLeft rightToLeft, int originalValue, ScrollEventType eventType, int expectedValue, ScrollEventType expectedEventType)
{
using SubScrollBar control = new()
{
RightToLeft = rightToLeft,
Value = originalValue
};
int callCount = 0;
ScrollEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Equal(expectedEventType, e.Type);
Assert.Equal(expectedValue, e.NewValue);
Assert.Equal(originalValue, e.OldValue);
Assert.Equal(ScrollOrientation.HorizontalScroll, e.ScrollOrientation);
callCount++;
};
control.Scroll += handler;
Message message = new()
{
Msg = msg,
WParam = (IntPtr)eventType
};
control.WndProc(ref message);
Assert.Equal(1, callCount);
Assert.Equal(expectedValue, control.Value);
}
[WinFormsFact]
public void Control_WndProc_InvokeSizeWithoutHandle_Success()
{
using SubScrollBar control = new();
Message m = new()
{
Msg = (int)PInvoke.WM_SIZE,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(250, m.Result);
Assert.True(control.IsHandleCreated);
}
[WinFormsFact]
public void Control_WndProc_InvokeSizeWithHandle_Success()
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
Message m = new()
{
Msg = (int)PInvoke.WM_SIZE,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(250, m.Result);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ScrollBar_WndProc_InvokeMouseHoverWithHandle_Success()
{
using SubScrollBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int callCount = 0;
control.MouseHover += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
Message m = new()
{
Msg = (int)PInvoke.WM_MOUSEHOVER,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(IntPtr.Zero, m.Result);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(RightToLeft.Yes, 0)]
[InlineData(RightToLeft.Yes, 50)]
[InlineData(RightToLeft.No, 50)]
[InlineData(RightToLeft.No, 100)]
public void HScrollBarFirstPageButtonAccessibleObject_Bounds_ReturnRectangle(RightToLeft rightToLeft, int value)
{
using HScrollBar hScrollBar = new();
SetHScrollBar(hScrollBar, rightToLeft, minimum: 0, maximum: 100, value);
Assert.True(HFirstPageButton(hScrollBar).Bounds.Width > 0);
Assert.True(HFirstPageButton(hScrollBar).Bounds.Height > 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.Yes, 100, 100)]
[InlineData(RightToLeft.No, 0, 0)]
[InlineData(RightToLeft.Yes, 0, 0)]
[InlineData(RightToLeft.No, 100, 0)]
public void HScrollBarFirstPageButtonAccessibleObject_Bounds_ReturnEmptyRectangle(RightToLeft rightToLeft, int maximum, int value)
{
using HScrollBar hScrollBar = new();
SetHScrollBar(hScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.True(HFirstPageButton(hScrollBar).Bounds.Width == 0 || HFirstPageButton(hScrollBar).Bounds.Height == 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 100, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.No, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.No, 100, 100, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 0, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 100, AccessibleStates.Invisible)]
[InlineData(RightToLeft.No, 0, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 0, 0, AccessibleStates.Invisible)]
public void HScrollBarFirstPageButtonAccessibleObject_State_ReturnExpected(RightToLeft rightToLeft, int maximum, int value, AccessibleStates accessibleState)
{
using HScrollBar hScrollBar = new();
SetHScrollBar(hScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.Equal(accessibleState, HFirstPageButton(hScrollBar).State);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 0)]
[InlineData(RightToLeft.No, 50)]
[InlineData(RightToLeft.Yes, 100)]
[InlineData(RightToLeft.Yes, 50)]
public void HScrollBarLastPageButtonAccessibleObject_Bounds_ReturnRectangle(RightToLeft rightToLeft, int value)
{
using HScrollBar hScrollBar = new();
SetHScrollBar(hScrollBar, rightToLeft, minimum: 0, maximum: 100, value);
Assert.True(HLastPageButton(hScrollBar).Bounds.Width > 0);
Assert.True(HLastPageButton(hScrollBar).Bounds.Height > 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 100, 100)]
[InlineData(RightToLeft.Yes, 100, 0)]
[InlineData(RightToLeft.No, 0, 0)]
[InlineData(RightToLeft.Yes, 0, 0)]
public void HScrollBarLastPageButtonAccessibleObject_Bounds_ReturnEmptyRectangle(RightToLeft rightToLeft, int maximum, int value)
{
using HScrollBar hScrollBar = new();
SetHScrollBar(hScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.True(HLastPageButton(hScrollBar).Bounds.Width == 0 || HLastPageButton(hScrollBar).Bounds.Height == 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 100, 0, AccessibleStates.None)]
[InlineData(RightToLeft.No, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.No, 100, 100, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 100, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 100, AccessibleStates.None)]
[InlineData(RightToLeft.No, 0, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 0, 0, AccessibleStates.Invisible)]
public void HScrollBarLastPageButtonAccessibleObject_State_ReturnExpected(RightToLeft rightToLeft, int maximum, int value, AccessibleStates accessibleState)
{
using HScrollBar hScrollBar = new();
SetHScrollBar(hScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.Equal(accessibleState, HLastPageButton(hScrollBar).State);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 100, 0)]
[InlineData(RightToLeft.Yes, 100, 0)]
[InlineData(RightToLeft.No, 0, 0)]
[InlineData(RightToLeft.Yes, 0, 0)]
public void VScrollBarFirstPageButtonAccessibleObject_Bounds_ReturnEmptyRectangle(RightToLeft rightToLeft, int maximum, int value)
{
using VScrollBar vScrollBar = new();
SetVScrollBar(vScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.True(VFirstPageButton(vScrollBar).Bounds.Width == 0 || VFirstPageButton(vScrollBar).Bounds.Height == 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 0)]
[InlineData(RightToLeft.No, 50)]
[InlineData(RightToLeft.Yes, 0)]
[InlineData(RightToLeft.Yes, 50)]
public void VScrollBarLastPageButtonAccessibleObject_Bounds_ReturnRectangle(RightToLeft rightToLeft, int value)
{
using VScrollBar vScrollBar = new();
SetVScrollBar(vScrollBar, rightToLeft, minimum: 0, maximum: 100, value);
Assert.True(VLastPageButton(vScrollBar).Bounds.Width > 0);
Assert.True(VLastPageButton(vScrollBar).Bounds.Height > 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 100, 100)]
[InlineData(RightToLeft.Yes, 100, 100)]
[InlineData(RightToLeft.No, 0, 0)]
[InlineData(RightToLeft.Yes, 0, 0)]
public void VScrollBarLastPageButtonAccessibleObject_Bounds_ReturnEmptyRectangle(RightToLeft rightToLeft, int maximum, int value)
{
using VScrollBar vScrollBar = new();
SetVScrollBar(vScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.True(VLastPageButton(vScrollBar).Bounds.Width == 0 || VLastPageButton(vScrollBar).Bounds.Height == 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 100, 0, AccessibleStates.None)]
[InlineData(RightToLeft.No, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.No, 100, 100, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 100, 0, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 100, AccessibleStates.Invisible)]
[InlineData(RightToLeft.No, 0, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 0, 0, AccessibleStates.Invisible)]
public void VScrollBarLastPageButtonAccessibleObject_State_ReturnsExpected(RightToLeft rightToLeft, int maximum, int value, AccessibleStates accessibleState)
{
using VScrollBar vScrollBar = new();
SetVScrollBar(vScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.Equal(accessibleState, VLastPageButton(vScrollBar).State);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 50)]
[InlineData(RightToLeft.Yes, 50)]
[InlineData(RightToLeft.No, 100)]
[InlineData(RightToLeft.Yes, 100)]
public void VScrollBarFirstPageButtonAccessibleObject_Bounds_ReturnRectangle(RightToLeft rightToLeft, int value)
{
using VScrollBar vScrollBar = new();
SetVScrollBar(vScrollBar, rightToLeft, minimum: 0, maximum: 100, value);
Assert.True(VFirstPageButton(vScrollBar).Bounds.Width > 0);
Assert.True(VFirstPageButton(vScrollBar).Bounds.Height > 0);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 100, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.No, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.No, 100, 100, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 100, 50, AccessibleStates.None)]
[InlineData(RightToLeft.Yes, 100, 100, AccessibleStates.None)]
[InlineData(RightToLeft.No, 0, 0, AccessibleStates.Invisible)]
[InlineData(RightToLeft.Yes, 0, 0, AccessibleStates.Invisible)]
public void VScrollBarFirstPageButtonAccessibleObject_State_ReturnsExpected(RightToLeft rightToLeft, int maximum, int value, AccessibleStates accessibleState)
{
using VScrollBar vScrollBar = new();
SetVScrollBar(vScrollBar, rightToLeft, minimum: 0, maximum, value);
Assert.Equal(accessibleState, VFirstPageButton(vScrollBar).State);
}
private void SetVScrollBar(VScrollBar vScrollBar, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
Form form = new();
form.Show();
vScrollBar.RightToLeft = rightToLeft;
vScrollBar.Minimum = minimum;
vScrollBar.Maximum = maximum;
vScrollBar.Value = value;
vScrollBar.Size = new(50, 200);
vScrollBar.Parent = form;
Application.DoEvents();
}
private ScrollBar.ScrollBarFirstPageButtonAccessibleObject VFirstPageButton(VScrollBar vScrollBar)
=> ((VScrollBar.ScrollBarAccessibleObject)vScrollBar.AccessibilityObject).FirstPageButtonAccessibleObject;
private ScrollBar.ScrollBarLastPageButtonAccessibleObject VLastPageButton(VScrollBar vScrollBar)
=> ((VScrollBar.ScrollBarAccessibleObject)vScrollBar.AccessibilityObject).LastPageButtonAccessibleObject;
private void SetHScrollBar(HScrollBar hScrollBar, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
Form form = new();
form.Show();
hScrollBar.RightToLeft = rightToLeft;
hScrollBar.Minimum = minimum;
hScrollBar.Maximum = maximum;
hScrollBar.Value = value;
hScrollBar.Size = new(200, 50);
hScrollBar.Parent = form;
Application.DoEvents();
}
private ScrollBar.ScrollBarFirstPageButtonAccessibleObject HFirstPageButton(HScrollBar hScrollBar)
=> ((VScrollBar.ScrollBarAccessibleObject)hScrollBar.AccessibilityObject).FirstPageButtonAccessibleObject;
private ScrollBar.ScrollBarLastPageButtonAccessibleObject HLastPageButton(HScrollBar hScrollBar)
=> ((VScrollBar.ScrollBarAccessibleObject)hScrollBar.AccessibilityObject).LastPageButtonAccessibleObject;
private class VerticalScrollBar : ScrollBar
{
protected override CreateParams CreateParams
{
get
{
CreateParams cp = base.CreateParams;
cp.Style |= (int)SCROLLBAR_CONSTANTS.SB_VERT;
return cp;
}
}
public new Rectangle GetScaledBounds(Rectangle bounds, SizeF factor, BoundsSpecified specified) => base.GetScaledBounds(bounds, factor, specified);
}
private class SubScrollBar : ScrollBar
{
public new bool CanEnableIme => base.CanEnableIme;
public new bool CanRaiseEvents => base.CanRaiseEvents;
public new CreateParams CreateParams => base.CreateParams;
public new Cursor DefaultCursor => base.DefaultCursor;
public new ImeMode DefaultImeMode => base.DefaultImeMode;
public new Padding DefaultMargin => base.DefaultMargin;
public new Size DefaultMaximumSize => base.DefaultMaximumSize;
public new Size DefaultMinimumSize => base.DefaultMinimumSize;
public new Padding DefaultPadding => base.DefaultPadding;
public new Size DefaultSize => base.DefaultSize;
public new bool DesignMode => base.DesignMode;
public new bool DoubleBuffered
{
get => base.DoubleBuffered;
set => base.DoubleBuffered = value;
}
public new EventHandlerList Events => base.Events;
public new int FontHeight
{
get => base.FontHeight;
set => base.FontHeight = value;
}
public new ImeMode ImeModeBase
{
get => base.ImeModeBase;
set => base.ImeModeBase = value;
}
public new bool ResizeRedraw
{
get => base.ResizeRedraw;
set => base.ResizeRedraw = value;
}
public new bool ShowFocusCues => base.ShowFocusCues;
public new bool ShowKeyboardCues => base.ShowKeyboardCues;
public new AutoSizeMode GetAutoSizeMode() => base.GetAutoSizeMode();
public new Rectangle GetScaledBounds(Rectangle bounds, SizeF factor, BoundsSpecified specified) => base.GetScaledBounds(bounds, factor, specified);
public new bool GetStyle(ControlStyles flag) => base.GetStyle(flag);
public new bool GetTopLevel() => base.GetTopLevel();
public new void OnClick(EventArgs e) => base.OnClick(e);
public new void OnDoubleClick(EventArgs e) => base.OnDoubleClick(e);
public new void OnEnabledChanged(EventArgs e) => base.OnEnabledChanged(e);
public new void OnHandleCreated(EventArgs e) => base.OnHandleCreated(e);
public new void OnMouseClick(MouseEventArgs e) => base.OnMouseClick(e);
public new void OnMouseDoubleClick(MouseEventArgs e) => base.OnMouseDoubleClick(e);
public new void OnMouseDown(MouseEventArgs e) => base.OnMouseDown(e);
public new void OnMouseMove(MouseEventArgs e) => base.OnMouseMove(e);
public new void OnMouseUp(MouseEventArgs e) => base.OnMouseUp(e);
public new void OnMouseWheel(MouseEventArgs e) => base.OnMouseWheel(e);
public new void OnPaint(PaintEventArgs e) => base.OnPaint(e);
public new void OnScroll(ScrollEventArgs se) => base.OnScroll(se);
public new void OnValueChanged(EventArgs e) => base.OnValueChanged(e);
public new void SetStyle(ControlStyles flag, bool value) => base.SetStyle(flag, value);
public new void UpdateScrollInfo() => base.UpdateScrollInfo();
public new void WndProc(ref Message m) => base.WndProc(ref m);
}
}
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