void TopWindow::CenterRect(HWND hwnd)
{
	SetupRect();
	if(hwnd && center == 1 || center == 2) {
		Size sz = GetRect().Size();
		Rect frmrc(sz);
	#ifndef PLATFORM_WINCE
		::AdjustWindowRect(frmrc, WS_OVERLAPPEDWINDOW, FALSE);
	#endif
		Rect r, wr;
		wr = Ctrl::GetWorkArea().Deflated(-frmrc.left, -frmrc.top,
			frmrc.right - sz.cx, frmrc.bottom - sz.cy);
		sz.cx = min(sz.cx, wr.Width());
		sz.cy = min(sz.cy, wr.Height());
		if(center == 1) {
			::GetClientRect(hwnd, r);
			if(r.IsEmpty())
				r = wr;
			else {
				Point p = r.TopLeft();
				::ClientToScreen(hwnd, p);
				r.Offset(p);
			}
		}
		else