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Checks whether the given representation rule exists in the collection.
[Visual Basic .NET] Public Function Exists ( _ ByVal ID As Integer _ ) As Boolean
[C#] public bool Exists ( int ID );
[C++]
HRESULT Exists(
long ID
);
[C++]
Parameters ID [in]
ID is a parameter of type long
Exists method can be used to check for the availability of a specific representation rule within a RepresentationRules object before assigning it to a feature representation.