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The raster extent.
[Visual Basic .NET] Public Property Extent As IEnvelope
[C#] public IEnvelope Extent {get; set;}
[C++]
HRESULT get_Extent(
  IEnvelope** ppExtent
);
[C++]
HRESULT put_Extent(
  IEnvelope* ppExtent
);
[C++] Parameters ppExtent [out, retval]
ppExtent is a parameter of type IEnvelope** ppExtent [in]
ppExtent is a parameter of type IEnvelope*