public AccessHandler(DependencyObject obj)
{
bool authorize = GetCheck(obj);
BehaviorCollection behaviors = Interaction.GetBehaviors(obj);
AccessBehavior authorizationBehavior = behaviors.SingleOrDefault(x => x is AccessBehavior) as AccessBehavior;
if (authorizationBehavior != null && !authorize)
{
behaviors.Remove(authorizationBehavior);
}
else if (authorizationBehavior == null && authorize)
{
authorizationBehavior = new AccessBehavior();
var binding = BindingOperations.GetBinding(obj, TextBox.TextProperty);
if (binding != null)
{
BindingOperations.SetBinding(authorizationBehavior, AccessBehavior.VMBoundedProperty, binding);
}
binding = BindingOperations.GetBinding(obj, ItemsControl.ItemsSourceProperty);
if (binding != null)
{
BindingOperations.SetBinding(authorizationBehavior, AccessBehavior.VMBoundedProperty, binding);
}
binding = BindingOperations.GetBinding(obj, ButtonBase.CommandProperty);
if (binding != null)
{
BindingOperations.SetBinding(authorizationBehavior, AccessBehavior.VMBoundedProperty, binding);
}
behaviors.Add(authorizationBehavior);
}
}