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