VC++中鼠标拖动实现不同CListBox框之间内容的转移

来源：互联网发布：c语言fft程序编辑：程序博客网时间：2024/05/05 10:43

BOOL CDIALOGDlg::PreTranslateMessage(MSG *pMsg)
{
BOOL bFlag=CDialog::PreTranslateMessage(pMsg);
CRect cRectPre,cRectNow,cRectEnd;
CPoint curPoint;
::GetCursorPos(&curPoint); //why begin need to add ::?????????????????
GetDlgItem(IDC_LISTPRE)->GetWindowRect(&cRectPre);
GetDlgItem(IDC_LISTNOW)->GetWindowRect(&cRectNow);
GetDlgItem(IDC_LISTEND)->GetWindowRect(&cRectEnd);

if(curPoint.x >=cRectPre.left && curPoint.x <=cRectPre.right && curPoint.y >=cRectPre.top && curPoint.y <=cRectPre.bottom)
{
  if(pMsg->message == WM_LBUTTONDOWN)
  {
   int iIndex;
   iIndex=m_listPre.GetCurSel();//gain position small choosed
   m_listPre.GetText(iIndex,m_strTrans);
   m_PreFg=true;
  }
}
if(curPoint.x >=cRectNow.left && curPoint.x <=cRectNow.right && curPoint.y >=cRectNow.top && curPoint.y <=cRectNow.bottom)
{
  if(pMsg->message == WM_LBUTTONDOWN)
  {
   int iIndex;
   iIndex=m_listNow.GetCurSel();//gain position small choosed
   m_listNow.GetText(iIndex,m_strTrans);
   m_NowFg=true;
  }
  if(pMsg->message == WM_LBUTTONUP && m_PreFg == true)
  {
   m_listNow.AddString(m_strTrans);
   m_strTrans=_T("");
   m_PreFg=false;
  }
}
if(curPoint.x >=cRectEnd.left && curPoint.x <=cRectEnd.right && curPoint.y >=cRectEnd.top && curPoint.y <=cRectEnd.bottom)
{
  if(pMsg->message == WM_LBUTTONUP && m_NowFg == true)
  {
   m_listEnd.AddString(m_strTrans);
   m_strTrans=_T("");
   m_NowFg=false;
  }
}
return bFlag;
}