www.pudn.com > 大量windows shell编程例子.zip > UTILS.CPP

#include "spbutils.h" 
 
 
/*---------------------------------------------------*/ 
// Procedure....: Msg() 
// Description..: Show a message box 
/*---------------------------------------------------*/ 
void WINAPI Msg(char* szFormat, ...) 
{ 
   va_list argptr; 
   char szBuf[MAX_PATH]; 
   HWND hwndFocus = GetFocus(); 
 
   // init va_ functions 
   va_start(argptr, szFormat); 
 
   // format output string 
   wvsprintf(szBuf, szFormat, argptr); 
 
   // read title and show 
   MessageBox(hwndFocus, szBuf, NULL, MB_ICONEXCLAMATION | MB_OK); 
 
   // close va_ functions 
   va_end(argptr); 
   SetFocus(hwndFocus); 
} 
 
 
/*---------------------------------------------------*/ 
// Procedure....: SPB_SystemMessage() 
// Description..: Formats a standard error message 
/*---------------------------------------------------*/ 
void WINAPI SPB_SystemMessage(DWORD dwRC) 
{ 
   LPVOID lpMsgBuf; 
   DWORD rc; 
 
   rc = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 
                          FORMAT_MESSAGE_FROM_SYSTEM |      
                          FORMAT_MESSAGE_IGNORE_INSERTS,     
                       NULL, dwRC,     
                       MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),  
                       reinterpret_cast(&lpMsgBuf), 0, NULL); 
 
    Msg("%s:  %ld.\n\n\n%s:\n\n%s", "This is the error code", dwRC, 
        "This is the system's explanation", (rc == 0 ? "" : lpMsgBuf)); 
    LocalFree(lpMsgBuf); 
}