private static void OnDataContextPrivateChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
RadExpanderControl typedSender = sender as RadExpanderControl;
if (!typedSender.IsProperlyTemplated || typedSender.contextBinding)
{
return;
}
typedSender.expandableContent.Visibility = Visibility.Collapsed;
typedSender.SetInitialControlState(false);
}
private static void OnExpandableContentChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
RadExpanderControl typedSender = sender as RadExpanderControl;
if (!typedSender.IsTemplateApplied)
{
return;
}
typedSender.expandableContent.Visibility = Visibility.Collapsed;
typedSender.SetInitialControlState(false);
}
private static void OnIsExpandedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
RadExpanderControl typedSender = sender as RadExpanderControl;
if (!typedSender.isPropertySetSilently)
{
if (!typedSender.HandleExpandedChange(typedSender.IsExpanded))
{
typedSender.isPropertySetSilently = true;
typedSender.IsExpanded = !typedSender.IsExpanded;
typedSender.isPropertySetSilently = false;
}
}
}
private static void OnIsExpandedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
RadExpanderControl typedSender = sender as RadExpanderControl;
if (!typedSender.isPropertySetSilently)
{
if (!typedSender.HandleExpandedChange(typedSender.IsExpanded))
{
typedSender.isPropertySetSilently = true;
typedSender.IsExpanded = !typedSender.IsExpanded;
typedSender.isPropertySetSilently = false;
}
}
var expanderControlPeer = FrameworkElementAutomationPeer.FromElement(typedSender) as RadExpanderControlAutomationPeer;
if (expanderControlPeer != null)
{
expanderControlPeer.RaiseExpandCollapseAutomationEvent((bool)args.OldValue, (bool)args.NewValue);
}
}