/// <summary>
 /// Get AuthorizationGroupDCs from query service
 /// </summary>
 /// <param name="client"></param>
 private void GetAuthGroups(IWorkflowsQueryService client)
 {
     AuthorizationGroupGetRequestDC request = new AuthorizationGroupGetRequestDC();
     request.SetIncaller();
     AuthorizationGroupGetReplyDC reply = client.GetAuthorizationGroups(request);
     if (reply != null && reply.StatusReply != null)
         reply.StatusReply.CheckErrors();
     this.AuthGroups = reply.AuthorizationGroups;
     if (this.workflowType != null)
         this.SelectedAuthGroup = this.AuthGroups.SingleOrDefault(a => a.AuthGroupId == this.workflowType.AuthGroupId);
     else
         this.SelectedAuthGroup = new AuthorizationGroupDC();
 }