The method returns the CLSID of the MOLE feature class extension supported by the graphic definition.
ERROR: Syntax information about IGraphicDef.EXTCLSID may not be in D:\ArcGIS\DotNet\ESRI.ArcGIS.DefenseSolutions.dll
[C++]
HRESULT get_EXTCLSID(
IUID** ID
);
[C++]
HRESULT put_EXTCLSID(
IUID* ID
);
[C++]Parameters
ID [out, retval]ID is a parameter of type IUID
ID [in]ID is a parameter of type IUID
Product Availability
Available with ArcGIS Engine and ArcGIS Desktop.