方法一:單個控件ID操作
第一步、在對話框類中(.h文件)定義如下變量和函數
定義如下幾個變量:
- void ReSize(int nID);
- BOOL change_flag;
- float m_Multiple_height;
- float m_Multiple_width;
- afx_msg void OnSize(UINT nType, int cx, int cy);
第二步、在OnInitDialog()中 計算出當前對話框的大小與最大化後大小
- CRect rect;
- ::GetWindowRect(m_hWnd,rect);//這裏m_hWnd爲窗口句柄,如果不存在此變量則在該行代碼前加一句:HWND h_Wnd=GetSafeHwnd( );
- ScreenToClient(rect);
- LONG m_nDlgWidth = rect.right - rect.left;
- LONG m_nDlgHeight = rect.bottom - rect.top;
- //Calc 分辨率
- LONG m_nWidth = GetSystemMetrics(SM_CXSCREEN);
- LONG m_nHeight = GetSystemMetrics(SM_CYSCREEN);
- //計算放大倍數(要用float值,否則誤差很大)
- m_Multiple_width = float(m_nWidth)/float(m_nDlgWidth);
- m_Multiple_height = float(m_nHeight)/float(m_nDlgHeight);
- change_flag = TRUE;//用來判斷OnSize執行時,OninitDialg是否已經執行了
第三步、給對話框添加 WM_SIZE消息
- //給對話框添加 VM_SIZE消息
- void CStuDemoDlg::OnSize(UINT nType, int cx, int cy)
- {
- CDialog::OnSize(nType, cx, cy);
- // TODO: Add your message handler code here
- if (change_flag)//如果OninitDlg已經調用完畢
- {
- ReSize(IDC_STATIC_1);
- ReSize(IDC_STATIC_2);
- ReSize(IDC_EDIT11);//
- ReSize(IDC_EDIT12);//
- ReSize(IDC_LIST_SHOW);//LIST
- ReSize(IDC_BUTTON_ADD);
- ReSize(IDC_BUTTON_DEL);
- ReSize(IDOK);
- ReSize(IDCANCEL);
- //恢復放大倍數,並保存 (確保還原時候能夠還原到原來的大小)
- m_Multiple_width = float(1)/m_Multiple_width;
- m_Multiple_height = float(1)/m_Multiple_height;
- }
- }
第四步、刷新控件:根據比例計算控件縮放的大小,然後movewindow 到新矩形上
- void CStuDemoDlg::ReSize(int nID)
- {
- CRect Rect;
- GetDlgItem(nID)->GetWindowRect(Rect);
- ScreenToClient(Rect);
- //計算控件左上角點
- CPoint OldTLPoint,TLPoint;
- OldTLPoint = Rect.TopLeft();
- TLPoint.x = long(OldTLPoint.x *m_Multiple_width);
- TLPoint.y = long(OldTLPoint.y * m_Multiple_height );
- //計算控件右下角點
- CPoint OldBRPoint,BRPoint; OldBRPoint = Rect.BottomRight();
- BRPoint.x = long(OldBRPoint.x *m_Multiple_width);
- BRPoint.y = long(OldBRPoint.y * m_Multiple_height );
- //移動控件到新矩形
- Rect.SetRect(TLPoint,BRPoint);
- GetDlgItem(nID)->MoveWindow(Rect,TRUE);
- }
方法二:集體控件操作
第一步、在對話框類中(.h文件)定義如下變量和函數
- void ReSize();
- POINT old;
- afx_msg void OnSize(UINT nType, int cx, int cy);
第二步、在OnInitDialog()中 計算出原始對話框的大小
- CRect rect;
- GetClientRect(&rect); //取客戶區大小
- old.x=rect.right-rect.left;
- old.y=rect.bottom-rect.top;
第三步、添加 WM_SIZE消息
- void CStuDemoDlg::OnSize(UINT nType, int cx, int cy)
- {
- CDialog::OnSize(nType, cx, cy);
- // TODO: Add your message handler code here
- if (nType==SIZE_RESTORED||nType==SIZE_MAXIMIZED)
- {
- ReSize();
- }
- }
第四步、刷新控件函數
- void CStuDemoDlg::ReSize()
- {
- float fsp[2];
- POINT Newp; //獲取現在對話框的大小
- CRect recta;
- GetClientRect(&recta); //取客戶區大小
- Newp.x=recta.right-recta.left;
- Newp.y=recta.bottom-recta.top;
- fsp[0]=(float)Newp.x/old.x;
- fsp[1]=(float)Newp.y/old.y;
- CRect Rect;
- int woc;
- CPoint OldTLPoint,TLPoint; //左上角
- CPoint OldBRPoint,BRPoint; //右下角
- HWND hwndChild=::GetWindow(m_hWnd,GW_CHILD); //列出所有控件
- while(hwndChild)
- {
- woc=::GetDlgCtrlID(hwndChild);//取得ID
- GetDlgItem(woc)->GetWindowRect(Rect);
- ScreenToClient(Rect);
- OldTLPoint = Rect.TopLeft();
- TLPoint.x = long(OldTLPoint.x*fsp[0]);
- TLPoint.y = long(OldTLPoint.y*fsp[1]);
- OldBRPoint = Rect.BottomRight();
- BRPoint.x = long(OldBRPoint.x *fsp[0]);
- BRPoint.y = long(OldBRPoint.y *fsp[1]);
- Rect.SetRect(TLPoint,BRPoint);
- GetDlgItem(woc)->MoveWindow(Rect,TRUE);
- hwndChild=::GetWindow(hwndChild, GW_HWNDNEXT);
- }
-
old=Newp;
總結:
就個人而言,本人還是比較傾向第二種方法,畢竟可以少操作控件ID,否則少了一個佈局都會發生變化。
- }