The TOC Information.
[Visual Basic .NET] Public ReadOnly Property DefaultMapName As String
[C#] public string DefaultMapName {get;}
[C++]
HRESULT get_DefaultMapName(
BSTR* MapName
);
[C++]Parameters
MapName [out, retval] MapName is a parameter of type BSTR
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.