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| ArcObjects namespaces > Display > ESRI.ArcGIS.Display > Interfaces > IM > IMultiLayerMarkerSymbol Interface > IMultiLayerMarkerSymbol.AddLayer Method (ArcObjects .NET 10.4 SDK) | 
Add marker symbol layer.
[Visual Basic .NET] Public Sub AddLayer ( _ ByVal markerLayer As IMarkerSymbol _ )
[C#] public void AddLayer ( IMarkerSymbol markerLayer );
[C++]
HRESULT AddLayer(
  IMarkerSymbol* markerLayer
);
[C++]
Parameters markerLayer [in]
markerLayer is a parameter of type IMarkerSymbol