簡單設置程序自啓動

/*

example: SetAutoRun("abc","c:\\abc.exe");

*/

void SetAutoRun(const char* szValueName,const char* szData)
{
 HKEY hKey;
 DWORD dwRet = RegCreateKey(HKEY_LOCAL_MACHINE,"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",&hKey);
 if (dwRet != ERROR_SUCCESS)
  return;

 char szVal[MAX_PATH] = {0};
 DWORD dwLen = MAX_PATH;
 memset(szVal,0,MAX_PATH);
 DWORD dwType = REG_SZ;
 dwRet = RegQueryValueEx(hKey,szValueName,NULL,&dwType,(LPBYTE)szVal,&dwLen);
 if (dwRet == ERROR_SUCCESS)
 {
  if (stricmp(szVal,szData) != 0)
  {
   RegSetValueEx(hKey,szValueName,0,REG_SZ,(const BYTE*)szData,strlen(szData));
  }
 }
 else
 {
  RegSetValueEx(hKey,szValueName,0,REG_SZ,(const BYTE*)szData,strlen(szData));
 }
 RegCloseKey(hKey);
}