// Token: 0x06005E7F RID: 24191 RVA: 0x001A7C44 File Offset: 0x001A5E44
private static void OnLostMouseCapture(object sender, MouseEventArgs e)
{
MenuBase menuBase = sender as MenuBase;
if (Mouse.Captured != menuBase)
{
if (e.OriginalSource == menuBase)
{
if (Mouse.Captured == null || !MenuBase.IsDescendant(menuBase, Mouse.Captured as DependencyObject))
{
menuBase.IsMenuMode = false;
return;
}
}
else if (MenuBase.IsDescendant(menuBase, e.OriginalSource as DependencyObject))
{
if (menuBase.IsMenuMode && Mouse.Captured == null && SafeNativeMethods.GetCapture() == IntPtr.Zero)
{
Mouse.Capture(menuBase, CaptureMode.SubTree);
e.Handled = true;
return;
}
}
else
{
menuBase.IsMenuMode = false;
}
}
}
//-------------------------------------------------------------------
//
// Private Methods
//
//-------------------------------------------------------------------
#region Private Methods
/// <summary>
/// Called when this element loses capture.
/// </summary>
private static void OnLostMouseCapture(object sender, MouseEventArgs e)
{
MenuBase menu = sender as MenuBase;
// need a better solution for subcapture!
// Use the same technique employed in ComoboBox.OnLostMouseCapture to allow another control in the
// application to temporarily take capture and then take it back afterwards.
if (Mouse.Captured != menu)
{
if (e.OriginalSource == menu)
{
// If capture is null or it's not below the menu, close.
// More workaround for task 22022 -- check if it's a descendant (following Logical links too)
if (Mouse.Captured == null || !MenuBase.IsDescendant(menu, Mouse.Captured as DependencyObject))
{
menu.IsMenuMode = false;
}
}
else
{
if (MenuBase.IsDescendant(menu, e.OriginalSource as DependencyObject))
{
// Take capture if one of our children gave up capture
if (menu.IsMenuMode && Mouse.Captured == null && MS.Win32.SafeNativeMethods.GetCapture() == IntPtr.Zero)
{
Mouse.Capture(menu, CaptureMode.SubTree);
e.Handled = true;
}
}
else
{
menu.IsMenuMode = false;
}
}
}
}
// Token: 0x06005E7A RID: 24186 RVA: 0x001A7A75 File Offset: 0x001A5C75
private bool IsDescendant(DependencyObject node)
{
return(MenuBase.IsDescendant(this, node));
}
