|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Windows.Win32.UI.Accessibility;
namespace System.Windows.Forms;
public partial class ToolStripComboBox
{
internal partial class ToolStripComboBoxControl : ComboBox
{
internal class ToolStripComboBoxControlAccessibleObject : ComboBoxAccessibleObject
{
public ToolStripComboBoxControlAccessibleObject(ToolStripComboBoxControl toolStripComboBoxControl)
: base(toolStripComboBoxControl)
{
}
internal override IRawElementProviderFragment.Interface? FragmentNavigate(NavigateDirection direction)
{
switch (direction)
{
case NavigateDirection.NavigateDirection_Parent:
case NavigateDirection.NavigateDirection_PreviousSibling:
case NavigateDirection.NavigateDirection_NextSibling:
if (this.TryGetOwnerAs(out ToolStripComboBoxControl? owner))
{
return owner.Owner?.AccessibilityObject.FragmentNavigate(direction);
}
break;
}
return base.FragmentNavigate(direction);
}
internal override IRawElementProviderFragmentRoot.Interface? FragmentRoot =>
this.TryGetOwnerAs(out ToolStripComboBoxControl? owner)
? owner.Owner?.Owner?.AccessibilityObject
: base.FragmentRoot;
internal override bool IsPatternSupported(UIA_PATTERN_ID patternId) => patternId switch
{
UIA_PATTERN_ID.UIA_ExpandCollapsePatternId or UIA_PATTERN_ID.UIA_ValuePatternId => true,
_ => base.IsPatternSupported(patternId)
};
}
}
}
|