void OnNativeMentorDataContextChangedSafe (IntPtr dependency_object, IntPtr propertyChangedEventArgs, ref MoonError error, IntPtr closure) { try { OnNativeMentorDataContextChanged (dependency_object, propertyChangedEventArgs, ref error, closure); } catch (Exception ex) { error = new MoonError (ex); } } void OnNativeMentorDataContextChanged (IntPtr dependency_object, IntPtr propertyChangedEventArgs, ref MoonError error, IntPtr closure)