www.pudn.com > 控制进程的封装类.zip > cverror.cpp

#include "stdafx.h" 
#include "resource.h" 
 
/**************************************************************************** 
*                                   cvError 
* Inputs: 
*       DWORD err: Error code 
* Result: CString 
*       Printable error code 
****************************************************************************/ 
 
CString cvError(DWORD err) 
    { 
     LPTSTR s; 
     if(::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 
			FORMAT_MESSAGE_FROM_SYSTEM, 
			NULL, 
			err, 
			0, 
			(LPTSTR)&s, 
			0, 
			NULL) == 0) 
        { /* failed */ 
	 // See if it is a known error code 
	 CString fmt;                           
	 fmt.LoadString(IDS_UNKNOWN_ERROR);     
	 CString t; 
	 t.Format(fmt, err, err); 
	 return t; 
	} /* failed */ 
     else 
        { /* success */ 
	 LPTSTR p = _tcschr(s, _T('\r')); 
	 if(p != NULL) 
	    { /* lose CRLF */ 
	     *p = _T('\0'); 
	    } /* lose CRLF */ 
 
	 CString Error = s; // copy to a CString 
	 ::LocalFree(s); 
	 return Error; 
	} /* success */ 
    } // cvError