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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.
namespace System.Windows.Forms;
/// <summary>
/// Provides data for the <see cref="ScrollBar.Scroll"/>
/// event.
/// </summary>
public class ScrollEventArgs : EventArgs
{
/// <summary>
/// Initializes a new instance of the <see cref="ScrollEventArgs"/> class.
/// </summary>
public ScrollEventArgs(ScrollEventType type, int newValue)
{
Type = type;
NewValue = newValue;
OldValue = -1;
}
/// <summary>
/// Initializes a new instance of the <see cref="ScrollEventArgs"/> class.
/// </summary>
public ScrollEventArgs(ScrollEventType type, int newValue, ScrollOrientation scroll)
{
Type = type;
NewValue = newValue;
ScrollOrientation = scroll;
OldValue = -1;
}
public ScrollEventArgs(ScrollEventType type, int oldValue, int newValue)
{
Type = type;
NewValue = newValue;
OldValue = oldValue;
}
public ScrollEventArgs(ScrollEventType type, int oldValue, int newValue, ScrollOrientation scroll)
{
Type = type;
NewValue = newValue;
OldValue = oldValue;
ScrollOrientation = scroll;
}
/// <summary>
/// Specifies the type of scroll event that occurred.
/// </summary>
public ScrollEventType Type { get; }
/// <summary>
/// Specifies the new location of the scroll box within the scroll bar.
/// </summary>
public int NewValue { get; set; }
/// <summary>
/// Specifies the last position within the scroll bar.
/// </summary>
public int OldValue { get; }
/// <summary>
/// Specifies the type of scroll event that occurred.
/// </summary>
public ScrollOrientation ScrollOrientation { get; }
}
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