private static void CommandProperty_Changed(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
Control element = dependencyObject as Control;
if (element != null)
{
KeyUpBehavior behavior = GetOrCreateBehavior(element);
behavior.Command = e.NewValue as ICommand;
}
}
private static KeyUpBehavior GetOrCreateBehavior(Control element)
{
KeyUpBehavior behavior = element.GetValue(KeyUpBehaviorProperty) as KeyUpBehavior;
if (behavior == null)
{
behavior = new KeyUpBehavior(element);
element.SetValue(KeyUpBehaviorProperty, behavior);
}
return(behavior);
}
public static void SetKeyUpBehavior(DependencyObject obj,
KeyUpBehavior value)
{
obj.SetValue(KeyUpBehaviorProperty, value);
}