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IFIDSetOperator.Union Method (ArcObjects .NET 10.4 SDK)
ArcObjects Library Reference (GeoDatabase)  

IFIDSetOperator.Union Method

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.

See Also

IFIDSetOperator Interface

.NET Related Topics

Obtaining changes made in the current edit session