public override void RaiseAutomationPropertyChangedEvent (System.Windows.Automation.AutomationPropertyChangedEventArgs e)
{
if (e.Property.Id != ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty.Id) {
base.RaiseAutomationPropertyChangedEvent (e);
return;
}
ExpandCollapseState newState = (ExpandCollapseState)e.NewValue;
if (newState == ExpandCollapseState.Expanded) {
if (fakeWindow == null) {
fakeWindow = new DropDownWindow ();
fakeWindow.AddOneChild ((Adapter)RefAccessibleChild (0));
}
TopLevelRootItem.Instance.AddOneChild (fakeWindow);
TopLevelRootItem.Instance.CheckAndHandleNewActiveWindow (fakeWindow);
} else if (newState == ExpandCollapseState.Collapsed) {
Atk.Object realWindow = this;
while (realWindow != null && !(realWindow is Window))
realWindow = realWindow.Parent;
if (realWindow != null)
TopLevelRootItem.Instance.CheckAndHandleNewActiveWindow (fakeWindow, (Window)realWindow);
TopLevelRootItem.Instance.RemoveChild (fakeWindow, false);
}
InnerMenu.RaiseExpandedCollapsed ();
}
internal void WindowDeactivated (Window win)
{
if (object.ReferenceEquals (currentActiveWindow, win))
currentActiveWindow = null;
}