private void CheckConverter() { if (Converter == null && DesignerProperties.GetIsInDesignMode(new DependencyObject())) { // if we are in design mode - feed dummy converter which cannot be called to wpf designer Converter = new DummyConverter(); } }
public override object ProvideValue(IServiceProvider serviceProvider) { if (_converter == null) { _converter = new DummyConverter(); } return(_converter); }