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| ArcObjects Help for .NET developers > ArcObjects namespaces > Display > ESRI.ArcGIS.Display > Interfaces > ID > IDotDensityMasking Interface (ArcObjects .NET 10.5 SDK) | 
Provides access to the masking properties of a dot density fill symbol.
Use this interface to access the masking properties of a DotDensityRenderer. To access a renderer's masking layer, use IDotDensityRenderer.ControlLayer.
| Description | ||
|---|---|---|
|  | ExcludeMask | Indicates if the dots are to be excluded from the mask area. | 
|  | MaskGeometry | The geometry used for masking (can be a geometry collection). | 
|  | UseMasking | Indicates if masking is used. | 
| CoClasses and Classes | Description | 
|---|---|
| DotDensityFillSymbol | Defines a dot density fill symbol, a data driven symbol commonly used with the dot density renderer. | 
IDotDensityFillSymbol Interface | IDotDensityFillSymbol2 Interface