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| ArcObjects Help for .NET developers > ArcObjects namespaces > Carto > ESRI.ArcGIS.Carto > Constants > E > esriSizeRendererFlags Constants (ArcObjects .NET 10.5 SDK) | 
Marker symbol sizing options for use with ISizeRenderer.
| Constant | Value | Description | 
|---|---|---|
| esriSizeRendererNone | 0 | No sizing. | 
| esriSizeRendererUseExpression | 1 | Use sizing expression. | 
| esriSizeRendererRandom | 2 | Use random sizing. |