|  | This document is archived and information here might be outdated. Recommended version. | 
| ArcObjects Help for .NET developers > ArcObjects namespaces > GeoDatabaseUI > ESRI.ArcGIS.GeoDatabaseUI > Interfaces > IH > IHistoricalMarkerManager Interface (ArcObjects .NET 10.5 SDK) | 
Provides access to members that control the historical marker management dialog.
| Description | ||
|---|---|---|
|  | DoModal | Displays the dialog used to manage historical markers. | 
| CoClasses and Classes | Description | 
|---|---|
| HistoricalMarkerManager | A dialog for managing historical markers. |