C / C++ / MFC

Ing.Raiz82 wrote:

the canc button on the keyboard

BOOL CMyDlg::PreTranslateMessage(MSG* pMsg) 
{
		
  if ( pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_DELETE)
  {
    CListBox * pLB = (CListBox * )GetDlgItem(IDC_MYLIST);
    if ( pMsg->hwnd == pLB->m_hWnd)
    {
      int nCurSel = pLB->GetCurSel(); // make sure an item was selected
      if (nCurSel != LB_ERR )
      {
        pLB->DeleteString(nCurSel);
      }
      return TRUE; // message should not be dispatched 
    }
    else
    {
      // message should be dispatched
      return CDialog::PreTranslateMessage(pMsg);
    }		 
  }
  else
  {
    // message should not be dispatched
    return CDialog::PreTranslateMessage(pMsg);
  }
}

Ing.Raiz82 wrote:

...the canc button in list box?

afx_msg int OnVKeyToItem(UINT nKey, CListBox* pListBox, UINT nIndex);

int CMyDlg::OnVKeyToItem(UINT nKey, CListBox* pListBox, UINT nIndex)
{
	if( nKey == VK_DELETE )
	{
		pListBox->DeleteString( nIndex );  // Remove the string from the listbox
		// Do anything else here, to delete this entry
	}

	return CDialog::OnVKeyToItem(nKey, pListBox, nIndex);
}