reactos/base/applications/regedit/error.c

   1 #include <regedit.h>
   2 void ErrorMessageBox(HWND hWnd, LPCTSTR title, DWORD code)
   3 {
   4     LPTSTR lpMsgBuf;
   5     DWORD status;
   6     static const TCHAR fallback[] = TEXT("Error displaying error message.\n");
   7     status = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
   8                            NULL, code, 0, (LPTSTR)&lpMsgBuf, 0, NULL);
   9     if (!status)
  10         lpMsgBuf = (LPTSTR)fallback;
  11     MessageBox(hWnd, lpMsgBuf, title, MB_OK | MB_ICONERROR);
  12     if (lpMsgBuf != fallback)
  13         LocalFree(lpMsgBuf);
  14 }