private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RadDropDownButton button = d as RadDropDownButton;
if (button != null)
{
bool newValue = (bool)e.NewValue;
if (newValue)
{
RadRoutedEventArgs args = button.RaisePopupOpening();
if (args.Handled)
{
button.IsOpen = false;
return;
}
}
if (newValue)
{
button.OpenPopup();
}
else
{
if (button.IsBrowserHosted)
{
button.popupAdorner.Close();
button.RaisePopupClosed();
}
}
}
}
private static void OnDropDownContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RadDropDownButton button = d as RadDropDownButton;
if (button != null)
{
button.OnDropDownContentChanged(e.OldValue, e.NewValue);
}
}
private static void OnAutoOpenDelayChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RadDropDownButton button = d as RadDropDownButton;
if (button != null)
{
button.HoverDelay = button.AutoOpenDelay;
}
}