public static void AddElementConvention <T>(this IConventionManager conventionManager, string defaultEvent, DependencyProperty bindableProperty, Action <T, object> setter, Func <T, object> getter)
where T : DependencyObject
{
conventionManager.AddElementConvention(
new DefaultElementConvention <T>(
defaultEvent,
bindableProperty,
setter,
getter,
null
));
}