private static void OnSetCommandParameterCallback
(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
GridDataControl control = dependencyObject as GridDataControl;
if (control != null)
{
GridItemsSourceChangedBehavior behavior = GetOrCreateBehavior(control);
behavior.CommandParameter = e.NewValue;
}
}
private static GridItemsSourceChangedBehavior GetOrCreateBehavior(GridDataControl control)
{
GridItemsSourceChangedBehavior behavior =
control.GetValue(GridItemsSourceChangedBehaviorProperty) as GridItemsSourceChangedBehavior;
if (behavior == null)
{
behavior = new GridItemsSourceChangedBehavior(control);
control.SetValue(GridItemsSourceChangedBehaviorProperty, behavior);
}
return(behavior);
}