MFC 레지스트리 읽고 쓰기

2005년도인가 만들었던(짜집었던) 레지스트리 클래스입니다.
참 쉽죠잉~

/*---------------------------------------------------------------------
 레지스트리로 부터 Int형 값을 읽어들이는 함수
 ----------------------------------------------------------------------*/

 static UINT RegReadInt( HKEY hKey,
  LPCTSTR lpKey,
  LPCTSTR lpValue,
  INT nDefault )
 {

  HKEY key;
  DWORD dwDisp;
  UINT Result;
  DWORD Size;

  if( RegCreateKeyEx( hKey, lpKey, 0, NULL,
   REG_OPTION_NON_VOLATILE, KEY_READ, NULL,
   &key, &dwDisp ) != ERROR_SUCCESS )
   return 0;

  Size = sizeof( LONG );
  if( RegQueryValueEx( key, lpValue, 0, NULL, (LPBYTE)&Result, &Size ) != ERROR_SUCCESS )
   Result = nDefault;

  RegCloseKey( key );
  return Result;
 }

/*---------------------------------------------------------------------
 레지스트리로 Int형 값을 쓰는 함수
 ----------------------------------------------------------------------*/

 static BOOL RegWriteInt( HKEY hKey,
  LPCTSTR lpKey,
  LPCTSTR lpValue,
  UINT nData )

 {

  HKEY key;
  DWORD dwDisp;
  if( RegCreateKeyEx( hKey, lpKey, 0, NULL,
   REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL,
   &key, &dwDisp ) != ERROR_SUCCESS )

   return FALSE;

  if( RegSetValueEx( key, lpValue, 0, REG_DWORD, (LPBYTE)&nData, (int)sizeof(UINT) ) != ERROR_SUCCESS )
   return FALSE;

  RegCloseKey( key );
  return TRUE;
 }

/*---------------------------------------------------------------------
 레지스트리로 부터 String형 값을 읽어들이는 함수
 ----------------------------------------------------------------------*/

 static BOOL RegReadString( HKEY hKey,
  LPCTSTR lpKey,
  LPCTSTR lpValue,
  LPCTSTR lpDefault,
  LPTSTR lpRet,
  DWORD nSize )
 {

  HKEY key;
  DWORD dwDisp;
  DWORD Size;

  if( RegCreateKeyEx( hKey, lpKey, 0, NULL,
   REG_OPTION_NON_VOLATILE, KEY_READ, NULL,
   &key, &dwDisp ) != ERROR_SUCCESS )
   return FALSE;

  Size = nSize;

  if( RegQueryValueEx( key, lpValue, 0, NULL, (LPBYTE)lpRet, &Size ) != ERROR_SUCCESS )
  {
   strcpy( lpRet, lpDefault );
   return FALSE;
  }

  RegCloseKey( key );
  return TRUE;
 }

/*---------------------------------------------------------------------
 레지스트리로 String형 값을 쓰는 함수
 ----------------------------------------------------------------------*/

 static BOOL RegWriteString( HKEY hKey,
  LPCTSTR lpKey,
  LPCTSTR lpValue,
  LPCTSTR lpData )

 {

  HKEY key;
  DWORD dwDisp;

  if( RegCreateKeyEx( hKey, lpKey, 0, NULL,
   REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL,
   &key, &dwDisp ) != ERROR_SUCCESS )

   return FALSE;

  if( RegSetValueEx( key, lpValue, 0, REG_SZ, (LPBYTE)lpData, (int)strlen( lpData ) + 1 ) != ERROR_SUCCESS )

   return FALSE;

  RegCloseKey( key );
  return TRUE;
 }

/*---------------------------------------------------------------------
 레지스트리로 Binary형 값을 쓰는 함수
 ----------------------------------------------------------------------*/

 static BOOL RegWriteBinary( HKEY hKey,
  LPCTSTR lpKey,
  LPCTSTR lpValue,
  LPCTSTR lpData,
  int size)
 {

  HKEY key;
  DWORD dwDisp;

  if( RegCreateKeyEx( hKey, lpKey, 0, NULL,
   REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL,
   &key, &dwDisp ) != ERROR_SUCCESS )

   return FALSE;

  if( RegSetValueEx( key, lpValue, 0, REG_BINARY, (LPBYTE)lpData, size ) != ERROR_SUCCESS )

   return FALSE;

  RegCloseKey( key );
  return TRUE;
 }

//레지스트리 삭제함수
 static BOOL RegRemoveValue(HKEY hKey,
  LPCTSTR lpKey,
  LPCTSTR lpValue) {
   HKEY key;

   if( RegOpenKeyEx( hKey, lpKey, 0, KEY_ALL_ACCESS,
    &key) != ERROR_SUCCESS )
    return FALSE;

   if(RegDeleteValue(key, lpValue) != ERROR_SUCCESS)
    return FALSE;

   RegCloseKey( key );
   return TRUE;
 }