|  | This document is archived and information here might be outdated. Recommended version. | 
| ArcObjects Help for .NET developers > ArcObjects namespaces > System > ESRI.ArcGIS.esriSystem > Interfaces > IX > IXMLAttributes Interface > IXMLAttributes.NamespaceURI Property (ArcObjects .NET 10.5 SDK) | 
Namespace of the attribute.
[Visual Basic .NET] Public Function get_NamespaceURI ( _ ByVal index As Integer _ ) As String
[C#] public string get_NamespaceURI ( int index );
[C++]
HRESULT get_NamespaceURI(
  long index,
  BSTR* uri
);
[C++]
Parameters index [in] index is a parameter of type long uri [out, retval] uri is a parameter of type BSTR