The set of layers that are being masked.
[Visual Basic 6.0] Property MaskedLayers As ISet
[Visual Basic .NET] Public ReadOnly Property MaskedLayers As ISet
[C#] public ISet MaskedLayers {get;}
[Java] public ISet getMaskedLayers() throws IOException, AutomationException
[C++] HRESULT get_MaskedLayers( ISet** Layers );