//tries to get a CommandBehaviorBinding from the element. Creates a new instance if there is not one attached
private static EventCommandBehaviorBinding FetchOrCreateBinding(DependencyObject d)
{
var binding = GetBehavior(d);
if (binding == null)
{
binding = new EventCommandBehaviorBinding();
SetBehavior(d, binding);
}
return(binding);
}
/// <summary> Sets the Behavior property.
/// </summary>
private static void SetBehavior(DependencyObject d, EventCommandBehaviorBinding value)
{
d.SetValue(BehaviorProperty, value);
}