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class CTestDlg
{
public:
POINT old; //保存原屏幕客户区大小,调整窗口大小用
}
BOOL CTestDlg::OnInitDialog()
{
AdjustWindowsSize( ); //调整窗口大小与桌面工作区相同
ReSize( ); //调整当前窗口中所有控件大小,以适应当前屏幕分辨率
}
//调整窗口大小与桌面工作区相同
void CTestDlg::AdjustWindowsSize(void)
{
CRect rect;
GetClientRect(&rect); //取客户区大小
old.x=rect.right-rect.left;
old.y=rect.bottom-rect.top;
int cx = GetSystemMetrics(SM_CXFULLSCREEN);
int cy = GetSystemMetrics(SM_CYFULLSCREEN);
CRect rt;
SystemParametersInfo(SPI_GETWORKAREA,0,&rt,0); //获得桌面工作区大小,即不包括任务栏的大小
cy = rt.bottom;
MoveWindow(0, 0, cx, cy);
}
//调整当前窗口中所有控件大小,以适应当前屏幕分辨率
void CTestDlg::ReSize(void)
{
float fsp[2];
POINT Newp; //获取现在对话框的大小
CRect recta;
GetClientRect(&recta); //取客户区大小
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;
}
CList<CRect, CRect> m_listRect;
// 在InitDialog的时候,获取所有窗口的位置大小
CRect rect;
GetWindowRect(&rect);
m_listRect.AddTail(rect);//对话框的区域
CWnd* pWnd = GetWindow(GW_CHILD);//获取子窗体
while (pWnd)
{
pWnd->GetWindowRect(rect);//子窗体的区域
m_listRect.AddTail(rect); //CList<CRect,CRect> m_listRect成员变量
pWnd = pWnd->GetNextWindow();//取下一个子窗体
}
// 在onsize中重新布置。
if (m_listRect.GetCount() > 0)
{
CRect dlgNow;
GetWindowRect(&dlgNow);
POSITION pos = m_listRect.GetHeadPosition();//第一个保存的是对话框的Rect
CRect dlgSaved;
dlgSaved = m_listRect.GetNext(pos);
ScreenToClient(dlgNow);
double x = dlgNow.Width() * 1.0 / dlgSaved.Width();//根据当前和之前保存的对话框的宽高求比例
double y = dlgNow.Height() *1.0 / dlgSaved.Height();
ClientToScreen(dlgNow);
CRect childSaved;
CWnd* pWnd = GetWindow(GW_CHILD);
while (pWnd)
{
childSaved = m_listRect.GetNext(pos);//依次获取子窗体的Rect
childSaved.left = (LONG)(dlgNow.left + (childSaved.left - dlgSaved.left)*x);//根据比例调整控件上下左右距离对话框的距离
childSaved.right = (LONG)(dlgNow.right + (childSaved.right - dlgSaved.right)*x);
childSaved.top = (LONG)(dlgNow.top + (childSaved.top - dlgSaved.top)*y);
childSaved.bottom = (LONG)(dlgNow.bottom + (childSaved.bottom - dlgSaved.bottom)*y);
ScreenToClient(childSaved);
pWnd->MoveWindow(childSaved);
CRect rect;
if (IDC_STATIC_KEY == pWnd->GetDlgCtrlID())
{
rect.top = 0;
rect.bottom = childSaved.bottom - childSaved.top;
rect.left = 0;
rect.right = childSaved.right - childSaved.left;
m_flueDlg.MoveWindow(&rect);
m_flueDlg.ShowWindow(SW_SHOW);
}
pWnd = pWnd->GetNextWindow();
}
// 大概就这样