The layer identifier. This ID is used throughout to uniquely identify the layer for all requests.
[Visual Basic .NET] Public ReadOnly Property ID As Integer
[C#] public int ID {get;}
[C++]
HRESULT get_ID(
long* LayerID
);
[C++]Parameters
LayerID [out, retval] LayerID is a parameter of type long
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.