NS_IMETHODIMP nsMsgComposeSendListener::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t aStateFlags, nsresult aStatus)
{
if (bCanceled)
        {
          progress->OnStatusChange(nullptr, nullptr, NS_OK, msg.get()); //正在取消…
        }
        
         msgSend->Abort();
}

nsresult nsMsgComposeSendListener::OnStopSending(const char *aMsgID, nsresult aStatus,
                                                 const PRUnichar *aMsg, nsIFile *returnFile)
{
}

nsresult nsMsgCompose::_SendMsg(MSG_DeliverMode deliverMode, nsIMsgIdentity *identity,
                                const char *accountKey, bool entityConversionDone)
{
if (mProgress)
      {
        nsCOMPtr<nsIWebProgressListener> progressListener = do_QueryInterface(composeSendListener);
        mProgress->RegisterListener(progressListener);
      }
}
nsMsgProgress.cpp
NS_IMETHODIMP nsMsgProgress::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t aStateFlags, nsresult aStatus)
{
}
NS_IMETHODIMP nsMsgProgress::SetProcessCanceledByUser(bool aProcessCanceledByUser)
{
}

/* void RegisterListener (in nsIWebProgressListener listener); */
NS_IMETHODIMP nsMsgProgress::RegisterListener(nsIWebProgressListener * listener)
{
}
请确认您的邮件帐户设置是否正确，然后重试 \mailnews\compose\src\nsMsgSendReport.cpp
        if( currError != 2147500036 ) //手动取消附件附加的情况判断，这里不再提示 账号设置相关
        nsMsgDisplayMessageByString(prompt, currMessage.get(), dialogTitle.get());

static nsExtraMimeTypeEntry extraMimeEntries [] =
437 {
438 #if defined(VMS)
439   { APPLICATION_OCTET_STREAM, "exe,com,bin,sav,bck,pcsi,dcx_axpexe,dcx_vaxexe,sfx_axpexe,sfx_vaxexe", "Binary File" },
440 #elif defined(XP_MACOSX) // don't define .bin on the mac...use internet config to look that up...
441   { APPLICATION_OCTET_STREAM, "exe,com", "Binary File" },
442 #else
443   { APPLICATION_OCTET_STREAM, "exe,com,bin", "Binary File" },

sendProgress.xul
sendProgress.js

正在附加 [附件名]   Attaching %s...
正在传递邮件…
发送邮件失败
SetStatusMessage(nsDependentString(printfString));  4652   nsMsgComposeAndSend::MimeDoFCC(nsIFile     正在复制邮件到 草稿箱 邮件夹…

保存邮件到 草稿箱 时出错   

复制失败。


--点 取消
邮件正在发送中，您确定要取消发送该邮件   －－－确认过程去掉，在确认的过程中邮件还在发送，直接不用确认，就停止发送


"C:\Documents and Settings\hecj\Local Settings\Temp\" *.eml