nLen = ::GetModuleFileName(NULL,lpszBuff,MAX_PATH);

bool GetExeDir(CString* lpstrExeDir)
{  
	if(lpstrExeDir != NULL)
	{
		int	nLen;
		char	lpszBuff[MAX_PATH];

		nLen = ::GetModuleFileName(NULL,lpszBuff,MAX_PATH);
		if(nLen <= 0) return false;
		*lpstrExeDir = lpszBuff;

		return true;
	}
	return false;
}