//
// Methods
//
protected virtual void OnCleanUpVirtualizedItem(CleanUpVirtualizedItemEventArgs e)
{
CleanUpVirtualizedItemEventHandler handler = CleanUpVirtualizedItemEvent;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// cleanupvirtualizeditemeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this CleanUpVirtualizedItemEventHandler cleanupvirtualizeditemeventhandler, Object sender, CleanUpVirtualizedItemEventArgs e, AsyncCallback callback)
{
if (cleanupvirtualizeditemeventhandler == null)
{
throw new ArgumentNullException("cleanupvirtualizeditemeventhandler");
}
return(cleanupvirtualizeditemeventhandler.BeginInvoke(sender, e, callback, null));
}
public static void AddCleanUpVirtualizedItemHandler(System.Windows.DependencyObject element, CleanUpVirtualizedItemEventHandler handler)
{
}
/// <summary>
/// Removes a handler for the CleanUpVirtualizedItem attached event
/// </summary>
/// <param name="element">DependencyObject that listens to this event</param>
/// <param name="handler">Event Handler to be removed</param>
public static void RemoveCleanUpVirtualizedItemHandler(DependencyObject element, CleanUpVirtualizedItemEventHandler handler)
{
FrameworkElement.RemoveHandler(element, CleanUpVirtualizedItemEvent, handler);
}
