private static GestureListenerBehavioursBehaviour GetOrCreateBehaviour(Control element)
{
var behavior = element.GetValue(GestureListenerBehavioursBehaviourProperty) as GestureListenerBehavioursBehaviour;
if (behavior == null)
{
behavior = new GestureListenerBehavioursBehaviour(element);
element.SetValue(GestureListenerBehavioursBehaviourProperty, behavior);
}
return(behavior);
}
private static void OnSetDoubleTapCommandCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
var element = dependencyObject as Control;
if (element != null)
{
GestureListenerBehavioursBehaviour behavior = GetOrCreateBehaviour(element);
behavior.DoubleTapCommand = e.NewValue as ICommand;
}
else
{
Console.Out.WriteLine("Error: Expected type Control but found " + dependencyObject.GetType().Name);
}
}
