/// <summary>
/// PlacementRectangle Property changed callback, pass the value through to the buttons context menu
/// </summary>
private static void OnPlacementRectangleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SplitButton s = d as SplitButton;
if (s == null)
{
return;
}
s.EnsureContextMenuIsValid();
s.ContextMenu.PlacementRectangle = (Rect)e.NewValue;
}
/// <summary>
/// VerticalOffset Property changed callback, pass the value through to the buttons context menu
/// </summary>
private static void OnVerticalOffsetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SplitButton s = d as SplitButton;
if (s == null)
{
return;
}
s.EnsureContextMenuIsValid();
s.ContextMenu.VerticalOffset = (double)e.NewValue;
}
/*
* DependencyPropertyChanged callbacks
*
*/
private static void OnIsContextMenuOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SplitButton s = (SplitButton)d;
s.EnsureContextMenuIsValid();
if (!s.ContextMenu.HasItems)
{
return;
}
bool value = (bool)e.NewValue;
if (value && !s.ContextMenu.IsOpen)
{
s.ContextMenu.IsOpen = true;
}
else if (!value && s.ContextMenu.IsOpen)
{
s.ContextMenu.IsOpen = false;
}
}