Combines all the feature IDs that are in one or the other collection into a single collection.
[Visual Basic .NET] Public Function Union ( _ ByVal otherFIDSet As IFIDSet _ ) As IFIDSet
[C#] public IFIDSet Union ( IFIDSet otherFIDSet );
[C++]
HRESULT Union(
IFIDSet* otherFIDSet,
IFIDSet** newFIDSet
);
[C++]Parameters
otherFIDSet [in]otherFIDSet is a parameter of type IFIDSet
newFIDSet [out, retval]newFIDSet is a parameter of type IFIDSet
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.