Returns an enumeration of the current layers in the application.
[Visual Basic 6.0] Function GetMapLayers As IEnumLayer
[Visual Basic .NET] Public Function GetMapLayers ( _ ) As IEnumLayer
[C#] public IEnumLayer GetMapLayers ( );
[Java] public IEnumLayer getMapLayers ( ) throws IOException, AutomationException
[C++] HRESULT GetMapLayers( IEnumLayer** ppLayers );