C# InvokeOperation.MarkErrorAsHandled方法代码示例

        /// <summary>
        /// If a class needs the timezones and the list is not already populated they will call the RIA method to populate the list.
        /// </summary>
        public static void GetTimeZonesCompleted(InvokeOperation<IEnumerable<string>> op)
        {
            if (op.HasError)
            {
                op.MarkErrorAsHandled();
            }
            else
            {
                TimeZones = op.Value.ToList();

                if (op.UserState != null && op.UserState is Action)
                {
                    ((Action)op.UserState)();
                }
            }
        }

 private void AccountSignupOperation_Completed(InvokeOperation<CreateAccountStatus> operation)
 {
     if (!operation.IsCanceled)
     {
         if (operation.HasError)
         {
             ErrorWindow.CreateNew(operation.Error);
             operation.MarkErrorAsHandled();
         }
         else if (operation.Value == CreateAccountStatus.Success)
         {
             MessageBox.Show("Success!");
         }
         else
         {
             MessageBox.Show("Failure! " + operation.Value.ToString());
         }
     }
 }

 /// <summary>
 /// Completion handler for the registration operation. If there was an error, an
 /// <see cref="ErrorWindow"/> is displayed to the user. Otherwise, this triggers
 /// a login operation that will automatically log in the just registered user.
 /// </summary>
 private void RegistrationOperation_Completed(InvokeOperation<CreateUserStatus> operation)
 {
     if (!operation.IsCanceled)
     {
         if (operation.HasError)
         {
             ErrorWindow.CreateNew(operation.Error);
             operation.MarkErrorAsHandled();
         }
         else if (operation.Value == CreateUserStatus.Success)
         {
             this.registrationData.CurrentOperation = WebContext.Current.Authentication.Login(this.registrationData.ToLoginParameters(), this.LoginOperation_Completed, null);
             this.parentWindow.AddPendingOperation(this.registrationData.CurrentOperation);
         }
         else if (operation.Value == CreateUserStatus.DuplicateUserName)
         {
             this.registrationData.ValidationErrors.Add(new ValidationResult(ErrorResources.CreateUserStatusDuplicateUserName, new string[] { "UserName" }));
         }
         else if (operation.Value == CreateUserStatus.DuplicateEmail)
         {
             this.registrationData.ValidationErrors.Add(new ValidationResult(ErrorResources.CreateUserStatusDuplicateEmail, new string[] { "Email" }));
         }
         else
         {
             ErrorWindow.CreateNew(ErrorResources.ErrorWindowGenericError);
         }
     }
 }

 /// <summary>
 /// Completion handler for the registration operation. If there was an error, an
 /// <see cref="ErrorWindow"/> is displayed to the user. Otherwise, this triggers
 /// a login operation that will automatically log in the just registered user.
 /// </summary>
 private void RegistrationOperation_Completed(InvokeOperation<CreateUserStatus> operation)
 {
     if (!operation.IsCanceled)
     {
         if (operation.HasError)
         {
             ErrorWindow.CreateNew(operation.Error);
             operation.MarkErrorAsHandled();
         }
         else if (operation.Value == CreateUserStatus.Success)
         {
             this.DialogResult = true;
         }
         else if (operation.Value == CreateUserStatus.DuplicateUserName)
         {
             this.registrationData.ValidationErrors.Add(new ValidationResult(ErrorResources.CreateUserStatusDuplicateUserName, new string[] { "UserName" }));
         }
         else if (operation.Value == CreateUserStatus.DuplicateEmail)
         {
             this.registrationData.ValidationErrors.Add(new ValidationResult(ErrorResources.CreateUserStatusDuplicateEmail, new string[] { "Email" }));
         }
         else
         {
             ErrorWindow.CreateNew(ErrorResources.ErrorWindowGenericError);
         }
     }
 }

 /// <summary>
 /// Completion handler for the registration operation. 
 /// If there was an error, an <see cref="ErrorWindow"/> is displayed to the user.
 /// Otherwise, this triggers a login operation that will automatically log in the just registered user.
 /// </summary>
 private void RegistrationOperation_Completed(InvokeOperation operation)
 {
     if (!operation.IsCanceled)
     {
         if (operation.HasError)
         {
             ErrorWindow.CreateNew(operation.Error);
             operation.MarkErrorAsHandled();
         }
         else
         {
             this.parentWindow.Close();
         }
     }
 }

 /// <summary>
 /// Completion handler for a <see cref="LoginOperation"/>.
 /// If operation succeeds, it closes the window.
 /// If it has an error, it displays an <see cref="ErrorWindow"/> and marks the error as handled.
 /// If it was not canceled, but login failed, it must have been because credentials were incorrect so a validation error is added to notify the user.
 /// </summary>
 private void LoginOperation_Completed(InvokeOperation<bool> op)
 {
     if (op.Value)
     {
         this.parentWindow.DialogResult = true;
     }
     else if (op.HasError)
     {
         MessageBox.Show("Could not change password. Check the current password entered.");
         op.MarkErrorAsHandled();
     }
 }

        /// <summary>
        /// Completion handler for the registration operation. If there was an error, an
        /// <see cref="ErrorWindow"/> is displayed to the user. Otherwise, this triggers
        /// a login operation that will automatically log in the just registered user.
        /// </summary>
        private void RegistrationOperation_Completed(InvokeOperation<CreateUserStatus> operation)
        {
            if (!operation.IsCanceled)
            {
                if (operation.HasError)
                {
                    if ( operation.Error.Message.Contains( "SQL Server" ) )
                    {
                        var mess = new MessageWindow( "Cannot register new user, the database is not accessible. Please check configuration." );
                        mess.Show();
                    }
                    else
                    ErrorWindow.CreateNew(operation.Error);

                    operation.MarkErrorAsHandled();
                }
                else if (operation.Value == CreateUserStatus.Success)
                {
                    this.registrationData.CurrentOperation = WebContext.Current.Authentication.Login(this.registrationData.ToLoginParameters(), this.LoginOperation_Completed, null);
                    this.parentWindow.AddPendingOperation(this.registrationData.CurrentOperation);

                    //registrationData.

                }
                else if (operation.Value == CreateUserStatus.DuplicateUserName)
                {
                    this.registrationData.ValidationErrors.Add(new ValidationResult(ErrorResources.CreateUserStatusDuplicateUserName, new string[] { "UserName" }));
                }
                else if (operation.Value == CreateUserStatus.DuplicateEmail)
                {
                    this.registrationData.ValidationErrors.Add(new ValidationResult(ErrorResources.CreateUserStatusDuplicateEmail, new string[] { "Email" }));
                }
                else
                {
                    ErrorWindow.CreateNew(ErrorResources.ErrorWindowGenericError);
                }
            }
        }

        private void IsAliveComplete(InvokeOperation<bool> op)
        {
            if (op.HasError)
            {
                m_persistorStatusMessage = op.Error.Message;
                m_persistorStatus = ServiceConnectionStatesEnum.Error;
                op.MarkErrorAsHandled();
            }
            else
            {
                m_persistorStatusMessage = null;
                m_persistorStatus = ServiceConnectionStatesEnum.Ok;

            }

            m_provisioningInitialisationInProgress = false;
            UpdateAppStatus();
        }

 private void CopyDialPlanComplete(InvokeOperation io)
 {
     if (io.HasError)
     {
         LogActivityMessage_External(MessageLevelsEnum.Error, "There was an error copying the dial plan. " + io.Error.Message);
         io.MarkErrorAsHandled();
     }
     else
     {
         LogActivityMessage_External(MessageLevelsEnum.Info, "The dial plan copy was successful.");
         m_dialPlansPanel.RefreshAsync();
     }
 }

        private void UpdateCustomerPasswordComplete(InvokeOperation io)
        {
            if (io.HasError)
            {
                UIHelper.SetText(m_statusTextBlock, io.Error.Message);
                io.MarkErrorAsHandled();
            }
            else
            {
                UIHelper.SetText(m_statusTextBlock, "Password successfully updated.");
            }

            SetUpdateButtonsEnabled(true);
        }

        private void ChangeSIPDialPlanComplete(InvokeOperation io)
        {
            if (io.HasError)
            {
                LogActivityMessage_External(MessageLevelsEnum.Error, "There was an error changing the dial plan name. " + io.Error.Message);
                io.MarkErrorAsHandled();
                UIHelper.SetIsEnabled(_saveButton, true);
                UIHelper.SetIsEnabled(_dialPlanNameTextBox, IsEnabled);
            }
            else
            {
                string newName = (string)io.UserState;

                LogActivityMessage_External(MessageLevelsEnum.Info, "The dial plan name was successfully changed to " + newName + ".");

                UIHelper.SetText(_dialPlanNameTextBox, newName);
                UIHelper.SetText(m_dialPlanName, newName);
                UIHelper.SetVisibility(_dialPlanNameTextBox, System.Windows.Visibility.Collapsed);
                UIHelper.SetVisibility(m_dialPlanName, System.Windows.Visibility.Visible);
                UIHelper.SetVisibility(_changeButton, System.Windows.Visibility.Visible);
                UIHelper.SetVisibility(_saveButton, System.Windows.Visibility.Collapsed);
            }
        }