private static void OnSetCommandParameterCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
Controls.LoadingListBox ctrl = dependencyObject as Controls.LoadingListBox;
if (ctrl != null)
{
NeedItemsCommandBehavior behavior = GetOrCreateBehavior(ctrl);
behavior.CommandParameter = e.NewValue;
}
}
private static NeedItemsCommandBehavior GetOrCreateBehavior(Controls.LoadingListBox ctrl)
{
NeedItemsCommandBehavior behavior = ctrl.GetValue(NeedItemsCommandBehaviorProperty) as NeedItemsCommandBehavior;
if (behavior == null)
{
behavior = new NeedItemsCommandBehavior(ctrl);
ctrl.SetValue(NeedItemsCommandBehaviorProperty, behavior);
}
return(behavior);
}