4 references to IsNamespaceKnown
System.Xaml (4)
src\Microsoft.DotNet.Wpf\src\Shared\System\Windows\Markup\XmlCompatibilityReader.cs (4)
835if (IsNamespaceKnown(mappedNamespace)) 929if (IsNamespaceKnown(namespaceName)) 1265if (!IsNamespaceKnown(namespaceUri)) 1419if (!IsNamespaceKnown(namespaceUri))