/// <remarks/>
 public void SessionIsAliveAsync(SessionIsAliveRequestType SessionIsAliveRequest, object userState) {
     if ((this.SessionIsAliveOperationCompleted == null)) {
         this.SessionIsAliveOperationCompleted = new System.Threading.SendOrPostCallback(this.OnSessionIsAliveOperationCompleted);
     }
     this.InvokeAsync("SessionIsAlive", new object[] {
                 SessionIsAliveRequest}, this.SessionIsAliveOperationCompleted, userState);
 }
 /// <remarks/>
 public void SessionIsAliveAsync(SessionIsAliveRequestType SessionIsAliveRequest) {
     this.SessionIsAliveAsync(SessionIsAliveRequest, null);
 }