2 references to MarkupExtension
PresentationFramework (2)
System\Windows\Markup\KnownTypes.cs (1)
5928case KnownElements.MarkupExtension: t = typeof(System.Windows.Markup.MarkupExtension); break;
System\Windows\Markup\MarkupExtensionParser.cs (1)
592else if (!KnownTypes.Types[(int)KnownElements.MarkupExtension].IsAssignableFrom(targetType))