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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 Windows.Win32.System.Variant;
using Windows.Win32.UI.Accessibility;
namespace System.Windows.Forms;
public partial class ToolStripSplitButton
{
internal class ToolStripSplitButtonUiaProvider : ToolStripDropDownItemAccessibleObject
{
private readonly ToolStripSplitButtonExAccessibleObject _accessibleObject;
public ToolStripSplitButtonUiaProvider(ToolStripSplitButton owner) : base(owner)
{
_accessibleObject = new ToolStripSplitButtonExAccessibleObject(owner);
}
public override void DoDefaultAction()
=> _accessibleObject.DoDefaultAction();
internal override VARIANT GetPropertyValue(UIA_PROPERTY_ID propertyID)
=> _accessibleObject.GetPropertyValue(propertyID);
internal override bool IsIAccessibleExSupported() => true;
internal override bool IsPatternSupported(UIA_PATTERN_ID patternId)
=> _accessibleObject.IsPatternSupported(patternId);
internal override void Expand()
=> DoDefaultAction();
internal override void Collapse()
=> _accessibleObject.Collapse();
internal override ExpandCollapseState ExpandCollapseState
=> _accessibleObject.ExpandCollapseState;
internal override IRawElementProviderFragment.Interface? FragmentNavigate(NavigateDirection direction)
=> direction switch
{
NavigateDirection.NavigateDirection_FirstChild => base.FragmentNavigate(direction),
NavigateDirection.NavigateDirection_LastChild => base.FragmentNavigate(direction),
_ => _accessibleObject.FragmentNavigate(direction)
};
}
}
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