FormatMessage 错误消息

 1     // Get the error code
 2     DWORD dwError = GetDlgItemInt(IDC_EDIT1);
 3 
 4     HLOCAL hlocal = NULL;   // Buffer that gets the error message string
 5 
 6     // Use the default system locale since we look for Windows messages.
 7     // Note: this MAKELANGID combination has 0 as value
 8     DWORD systemLocale = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL);
 9 
10     // Get the error code‘s textual description
11     BOOL fOk = FormatMessage(
12         FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS |
13         FORMAT_MESSAGE_ALLOCATE_BUFFER,
14         NULL, dwError, systemLocale,
15         (PTSTR) &hlocal, 0, NULL);
16 
17     SetDlgItemText(IDC_TEXTOUT,(PTSTR) LocalLock(hlocal));