ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data Namespace / VersionManager Class / GetHistoricalVersion Method / GetHistoricalVersion(String) Method
The name of the HistoricalVersion to return.
Example Version

GetHistoricalVersion(String) Method
Gets a HistoricalVersion object with the specified markerName. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public HistoricalVersion GetHistoricalVersion( 
   string markerName
)

Parameters

markerName
The name of the HistoricalVersion to return.

Return Value

The HistoricalVersion that corresponds to markerName.
Exceptions
ExceptionDescription
The markerName cannot be null or an empty string.
The input marker name does not belong to any HistoricalVersion.
A geodatabase-related exception has occurred.
This method or property must be called within the lambda passed to QueuedTask.Run
Example
Switching between versions
public void ChangeVersions(Geodatabase geodatabase, string toVersionName)
{
    using (VersionManager versionManager = geodatabase.GetVersionManager())
    {
        VersionBaseType versionBaseType = versionManager.GetCurrentVersionBaseType();

        if (versionBaseType == VersionBaseType.Version)
        {
            Version fromVersion = versionManager.GetCurrentVersion();
            Version toVersion = versionManager.GetVersion(toVersionName);

            // Switch between versions
            MapView.Active.Map.ChangeVersion(fromVersion, toVersion);
        }

        if (versionBaseType == VersionBaseType.HistoricalVersion)
        {
            HistoricalVersion fromHistoricalVersion = versionManager.GetCurrentHistoricalVersion();
            HistoricalVersion toHistoricalVersion = versionManager.GetHistoricalVersion(toVersionName);

            // Switch between historical versions
            MapView.Active.Map.ChangeVersion(fromHistoricalVersion, toHistoricalVersion);
        }

        // Switch from HistoricalVersion to Version and vice-versa 
        // MapView.Active.Map.ChangeVersion(fromHistoricalVersion, toVersion);
        // MapView.Active.Map.ChangeVersion(fromVersion, toHistoricalVersion);

    }
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also