if( !CFrameWnd::PreCreateWindow(cs) )
return FALSE;
RECT rect;
CWnd *wnd;
wnd = this->GetDesktopWindow();
if (wnd){
wnd->GetWindowRect(&rect);
cs.x=rect.left;
cs.y=rect.top;
cs.cx=rect.right-rect.left;
cs.cy=rect.bottom-rect.top;
cs.dwExStyle=WS_EX_TOPMOST;
cs.style=WS_VISIBLE | WS_POPUP | WS_SYSMENU;
}else
return FALSE;
return TRUE;