public IXamlType GetXamlType(String typeName)
 {
     if(_provider == null)
     {
         _provider = new XamlTypeInfoProvider();
     }
     return _provider.GetXamlTypeByName(typeName);
 }
 public IXamlType GetXamlType(Type type)
 {
     if(_provider == null)
     {
         _provider = new XamlTypeInfoProvider();
     }
     return _provider.GetXamlTypeByType(type);
 }