private static void OnMouseButtonDown(Object sender, MouseButtonEventArgs e)
{
SplitButton splitButton = sender as SplitButton;
if (!splitButton.IsKeyboardFocusWithin)
{
splitButton.Focus();
return;
}
if (Mouse.Captured == splitButton && e.OriginalSource == splitButton)
{
splitButton.CloseSubmenu();
return;
}
if (e.Source is MenuItem)
{
MenuItem menuItem = e.Source as MenuItem;
if (menuItem != null)
{
if (!menuItem.HasItems)
{
splitButton.CloseSubmenu();
menuItem.RaiseEvent(new RoutedEventArgs(MenuItem.ClickEvent, menuItem));
}
}
}
}
private static void OnMenuItemClick(Object sender, RoutedEventArgs e)
{
SplitButton splitButton = sender as SplitButton;
MenuItem menuItem = e.OriginalSource as MenuItem;
// To make the ButtonClickEvent get fired as we expected, you should mark the ClickEvent
// as handled to prevent the event from poping up to the button portion of the SplitButton.
if (menuItem != null && !typeof(MenuItem).IsAssignableFrom(menuItem.Parent.GetType()))
{
e.Handled = true;
}
if (menuItem != null && splitButton != null)
{
if (splitButton.IsSubmenuOpen)
{
splitButton.CloseSubmenu();
}
}
}
