#include "StdAfx.h" tstring ComException2Msg(_com_error& e, const tstring& rsAdditionalInfo) { HRESULT hError = e.Error(); tostringstream o; if (false == rsAdditionalInfo.empty()) o << rsAdditionalInfo << "\n"; o << e.ErrorMessage() << L" (" << std::hex << hError << L")"; IErrorInfo* p = e.ErrorInfo(); CComPtr pErrorInfo(p); if (nullptr != p) p->Release(); if (pErrorInfo) o << L"\n" << e.Description(); return o.str(); } void ShowComError(_com_error& e, const tstring& rsAdditionalInfo) { tstring sErrorMsg = ComException2Msg(e, rsAdditionalInfo); LogIt(sErrorMsg); Quotes_MessageBox(nullptr, sErrorMsg.c_str(), MB_OK | MB_ICONERROR); }