private void GroupListRequest_Click(object sender, EventArgs e)
        {
            //GroupListRequest
            // Setup Premiere Connect Object
            EMsgAPI_Demo.EMsgAPIADMIN.XOAM EM = new EMsgAPI_Demo.EMsgAPIADMIN.XOAM();

            // Setup Authentication objects
            EMsgAPI_Demo.EMsgAPIADMIN.Authentication EMAuthentication = new EMsgAPI_Demo.EMsgAPIADMIN.Authentication();
            EMsgAPI_Demo.EMsgAPIADMIN.XDDSAuthType XDDSAuth = new EMsgAPI_Demo.EMsgAPIADMIN.XDDSAuthType();

            // Init Authentication objects
            XDDSAuth.Password = txtAccessCode.Text; // User ID
            XDDSAuth.RequesterID = txtUserId.Text;  // Passcode
            EMAuthentication.XDDSAuth = XDDSAuth;

            // Setup Request and Group List Request / Group List Result object
            EMsgAPI_Demo.EMsgAPIADMIN.Request Request = new EMsgAPI_Demo.EMsgAPIADMIN.Request();
            EMsgAPI_Demo.EMsgAPIADMIN.Response Response = new EMsgAPI_Demo.EMsgAPIADMIN.Response();
            EMsgAPI_Demo.EMsgAPIADMIN.GroupListRequest GList_Request = new EMsgAPI_Demo.EMsgAPIADMIN.GroupListRequest();
            EMsgAPI_Demo.EMsgAPIADMIN.GroupListResult GList_Result = new EMsgAPI_Demo.EMsgAPIADMIN.GroupListResult();

            // Setup Proxy server and EMsgAPIConnect URL for posting data
            Set_Server_and_Proxy(EM);

            // Set Request methods
            Request.ReceiverKey = EM.Url;
            Request.Authentication = EMAuthentication;
            Request.ResultRequired = EMsgAPI_Demo.EMsgAPIADMIN.RequiredType.yes;
            Request.ResponseRequiredSpecified = true;

            // Set Request / Response values on Premiere Connect Object
            EM.RequestValue = Request;
            EM.ResponseValue = Response;

            // Setup Group List Request
            GList_Request.CustomerAccountNumberSpecified = false;
            GList_Request.IncludeUsers = true;
            GList_Request.IncludeUsersSpecified = true;

            try
            {
                GList_Result = EM.GroupList(GList_Request);
            }
            catch (Exception ex)
            {
                System.Console.WriteLine(ex.Message);
                System.Console.Read();
                return;
            }            

            //if (GList_Result.Status.StatusCode.ToString().Equals("0")) 
            //{ // cycle thru results
            //    int i;
            //    for (i,i++,i=GList_Result.Entity.ChildEntity.Length) {
            //        System.Console.WriteLine(GList_Result.Entity.ChildEntity[i].EntityName.Value);
            //    }

            //} // cycle thru results

        }