/////// 전역변수 /////// int _style; CRect _originWindow; //////////////////////// void CEx2Dlg::OnBnClickedButton1() // 전체화면 { int windowWidth = GetSystemMetrics(SM_CXSCREEN); int windowHeight = GetSystemMetrics(SM_CYSCREEN); _style = ::GetWindowLong(this->m_hWnd, GWL_STYLE); ::GetWindowRect(this->m_hWnd, &_originWindow); ::SetWindowLong(this->m_hWnd, GWL_STYLE, NULL); SetWindowPos(&wndTopMost, 0, ..