/// <remarks/>
 public void DeletePTRRecordsAsync(DeletePTRRecordsRequestType DeletePTRRecordsRequest, object userState) {
     if ((this.DeletePTRRecordsOperationCompleted == null)) {
         this.DeletePTRRecordsOperationCompleted = new System.Threading.SendOrPostCallback(this.OnDeletePTRRecordsOperationCompleted);
     }
     this.InvokeAsync("DeletePTRRecords", new object[] {
                 DeletePTRRecordsRequest}, this.DeletePTRRecordsOperationCompleted, userState);
 }
 /// <remarks/>
 public void DeletePTRRecordsAsync(DeletePTRRecordsRequestType DeletePTRRecordsRequest) {
     this.DeletePTRRecordsAsync(DeletePTRRecordsRequest, null);
 }