无边框对话框的缩放
UINT CJHConfDlg::OnNcHitTest(CPoint point)
{
// TODO: Add your message handler code here and/or call default
//无边框缩放
if (IsZoomed())
{
return CDialog::OnNcHitTest(point);
}
CRect rect;
GetClientRect(&rect);
CPoint pt = point;
ScreenToClient(&pt);
static int nFrame = 4; // 窗口边框的宽度
rect.DeflateRect(nFrame,nFrame);
CRect RectResize(rect.right - 20, rect.bottom - 20, rect.right, rect.bottom);
// CRect rectTitle(nFrame,nFrame, rect.right - nFrame,CAPTION_HEIGHT);
if (!rect.PtInRect(pt))
{
if (pt.x <= nFrame && pt.y >= rect.bottom - nFrame)
{
return HTBOTTOMLEFT;
}
else if (pt.x <= nFrame && pt.y <= nFrame)
{
return HTTOPLEFT;
}
else if (pt.x >= rect.right - nFrame && pt.y <= nFrame)
{
return HTTOPRIGHT;
}
else if (pt.x >= rect.right - nFrame && pt.y >= rect.bottom-nFrame)
{
return HTBOTTOMRIGHT;
}
else if (pt.x <= nFrame)
{
return HTLEFT;
}
else if (pt.y <= nFrame)
{
return HTTOP;
}
else if (pt.y >= rect.bottom - nFrame)
{
return HTBOTTOM;
}
else if (pt.x >= rect.right - nFrame)
{
return HTRIGHT;
}
}
else if (RectResize.PtInRect(pt))
{
return HTBOTTOMRIGHT;
}
// else if (rectTitle.PtInRect(pt))
// {
// return HTCAPTION;
// }
else
{
return HTCLIENT;
}
return CDialog::OnNcHitTest(point);
}
只加这么多，就可以缩放。四个方向均可以。