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();
 }