arcengine之版本管理

public void VersionManagement(IVersionedWorkspace versionedWorkspace)
{
//creating the new version off of the Default Version

IVersion version = versionedWorkspace.DefaultVersion;
version.CreateVersion("Work Order 95082");

    //setting the versions access
    version.Access = esriVersionAccess.esriVersionAccessPublic; 

    //setting the versiones description
    version.Description = "Smiley Heights sewer project extension.";

    //checking the versions ancestry
    if(version.HasParent())
    {
        IVersionInfo versionInfo = version.VersionInfo;
        IVersion parentVersion = (IVersion)versionInfo.Parent;
        MessageBox.Show(parentVersion.VersionName);
    }

    //checking the locks on the version
    IEnumLockInfo enumLockInfo = version.VersionLocks;
    ILockInfo lockinfo = enumLockInfo.Next();

    while(lockinfo != null)
    {
        MessageBox.Show(" User: " + lockinfo.UserName + " has lock on version");
        lockinfo = enumLockInfo.Next();
    }

    //Renaming a version
    version.VersionName = "North Redlands Tract";

    //deleting the version       
    version.Delete();
}