/// <remarks/>
 public void ActivateFailoverAsync(ActivateFailoverRequestType ActivateFailoverRequest, object userState) {
     if ((this.ActivateFailoverOperationCompleted == null)) {
         this.ActivateFailoverOperationCompleted = new System.Threading.SendOrPostCallback(this.OnActivateFailoverOperationCompleted);
     }
     this.InvokeAsync("ActivateFailover", new object[] {
                 ActivateFailoverRequest}, this.ActivateFailoverOperationCompleted, userState);
 }
 /// <remarks/>
 public void ActivateFailoverAsync(ActivateFailoverRequestType ActivateFailoverRequest) {
     this.ActivateFailoverAsync(ActivateFailoverRequest, null);
 }