The current extent of the map (data frame).
[Visual Basic .NET] Public ReadOnly Property Extent As IEnvelope
[C#] public IEnvelope Extent {get;}
[C++]
HRESULT get_Extent(
IEnvelope** Extent
);
[C++]Parameters
Extent [out, retval]Extent is a parameter of type IEnvelope
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.