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| ArcObjects Help for .NET developers > ArcObjects namespaces > Geoprocessing > ESRI.ArcGIS.Geoprocessing > Interfaces > IG > IGeoProcessor Interface > IGeoProcessor.ListFeatureClasses Method (ArcObjects .NET 10.5 SDK) | 
Return the list of feature classes within the current workspace or feature dataset within the workspace.
[Visual Basic .NET] Public Function ListFeatureClasses ( _ ByVal wildCard As String, _ ByVal FeatureType As String, _ ByVal dataset As String _ ) As IGpEnumList
[C#] public IGpEnumList ListFeatureClasses ( string wildCard, string FeatureType, string dataset );
[C++]
HRESULT ListFeatureClasses(
  BSTR wildCard,
  BSTR FeatureType,
  BSTR dataset,
  IGpEnumList** ppEnumList
);
[C++]
Parameters wildCard [in] wildCard is a parameter of type BSTR FeatureType [in] FeatureType is a parameter of type BSTR dataset [in] dataset is a parameter of type BSTR ppEnumList [out, retval]
ppEnumList is a parameter of type IGpEnumList