如果在CEdit中实现Ctrl+V、Ctrl+C、Ctrl+X的功能

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BOOL CCsdn9View::PreTranslateMessage(MSG* pMsg)
{
// if(WM_RBUTTONDOWN == pMsg->message)
//  return true;
/* if(WM_KEYDOWN == pMsg->message)
{
  int nState = GetKeyState(VK_CONTROL);
  if(nState < 0)
  {
   int ch = (int) pMsg->wParam ;
   if('x' == ch || 'X' == ch)
    ::SendMessage(GetDlgItem(IDC_EDIT1)->GetSafeHwnd(),WM_CUT,ID_EDIT_CUT,0);
   if('C' == ch || 'c' == ch)
    ::SendMessage(GetDlgItem(IDC_EDIT1)->GetSafeHwnd(),WM_COPY,ID_EDIT_CUT,0);
   if('v' == ch || 'V' == ch)
    ::SendMessage(GetDlgItem(IDC_EDIT1)->GetSafeHwnd(),WM_PASTE,ID_EDIT_CUT,0);
  }
}

return CFormView::PreTranslateMessage(pMsg);*/
UINT nKeyCode = pMsg->wParam; // virtual key code of the key pressed

if (pMsg->message == WM_KEYDOWN)
{
  if ( (nKeyCode == _T('C') || nKeyCode == _T('X')
   || nKeyCode == _T('V')) &&
   (::GetKeyState(VK_CONTROL) & 0x8000) )
  {
   ::TranslateMessage(pMsg);
   ::DispatchMessage(pMsg);
   return(TRUE);

  }
}
return CFormView::PreTranslateMessage(pMsg);

}
注释掉的代码是别一种实现方法
没有下面的一种简洁