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| ArcObjects namespaces > Carto > ESRI.ArcGIS.Carto > Constants > E > esriBackgroundTabType Constants (ArcObjects .NET 10.4 SDK) | 
Types of background tabs for index grids.
| Constant | Value | Description | 
|---|---|---|
| esriBackgroundTabRound | 0 | Round. | 
| esriBackgroundTabRectangle | 1 | Rectangle. | 
| esriBackgroundTabRoundedRectangle | 2 | Rounded rectangle. | 
Defines the appearance of the background of the tabs surrounding an index grid.