/// <remarks/>
 public void GetEmailAttachmentAsync(GetEmailAttachmentRequest GetEmailAttachmentRequest, object userState) {
     if ((this.GetEmailAttachmentOperationCompleted == null)) {
         this.GetEmailAttachmentOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGetEmailAttachmentOperationCompleted);
     }
     this.InvokeAsync("GetEmailAttachment", new object[] {
                 GetEmailAttachmentRequest}, this.GetEmailAttachmentOperationCompleted, userState);
 }
 /// <remarks/>
 public void GetEmailAttachmentAsync(GetEmailAttachmentRequest GetEmailAttachmentRequest) {
     this.GetEmailAttachmentAsync(GetEmailAttachmentRequest, null);
 }