Outlook插件转发问题

Question

I have an Outlook addin for encryption and decryption that supports Outlook 2010 to 2013.

I am trying encrypt email to decrypt and display.

I am using open mail through mailItem_Open function

wrappedMailItem.Open += new MailItemInspectorOpenDelegate(mailItem_Open);

through this function i just decrypt email and content updated using

mailItem.HTMLBody = decryptString

Then the inspector window open and showing decrypt mail. Its working fine. I close the inspector window

mailItem_close function call

void mailItem_Close(Outlook.MailItem mailItem, ref bool Cancel)
    {

        try
        {
            if (mailItem == null)
                return;

            if (mailItem.Sent != false)
            {
                var signProperty = GetProperty(mailItem, "App.Decrypted");

                // NOTE: Cannot call mailItem.Close from Close event handler
                //       instead we will start a timer and call it after we
                //       return. There is a small race condition, but 250
                //       milliseconds should be enough even on slow machines.
                if ((bool)signProperty)
                {

                    var timer = new System.Windows.Forms.Timer { Interval = 250};
                    timer.Tick += new EventHandler((o, e) =>
                    {
                        timer.Stop();
                        ((Outlook._MailItem)mailItem).Close(Outlook.OlInspectorClose.olDiscard);
                        mailItem = null;

                    });

                    Cancel = true;
                    timer.Start();

                }
            }

        }
        catch
        {
            // Ignore random COM errors
        }

        Marshal.ReleaseComObject(mailItem);

    }

The issue is

But am not closing the inspector window (Showing decrypt message) i just click the forward button its open new inspector window by out look and forward email and close it. Then i close the inspector window ,but the parent mailItem (Ie. inbox mail) showing in decrypt mode . In mailItem_close function i just discard all changes but its not working

This issue is not happening in Reply procedure in same steps, only happens forward case

Please help me

Answer 1

与其动态修改消息的内容，不如创建自己的表单以显示解密的数据，而不设置原始消息并可能将其保存在原始消息中。