Как запретить редактирование размера окна, а также его развёртывание на весь экран?

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
    WNDCLASSEX wcex;
    wcex.cbSize = sizeof(WNDCLASSEX);
    wcex.style = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc = WndProc;
    wcex.cbClsExtra = 0;
    wcex.cbWndExtra = 0;
    wcex.hInstance = hInstance;
    wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
    wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
    wcex.lpszMenuName = NULL;
    wcex.lpszClassName = szWindowClass;
    wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
 
    if (!RegisterClassEx(&wcex)) {
        MessageBox(NULL, _T("Call to RegisterClassEx failed!"), _T("TerroTerminator"), NULL);
        return 1;
    }
 
    hInst = hInstance;
 
    HWND hWnd = CreateWindowEx(WS_EX_TOPMOST, szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 250, 400, NULL, NULL, hInstance, NULL);
    if (!hWnd) {
        MessageBox(NULL, _T("Call to CreateWindow failed!"), _T("TerroTerminator"), NULL);
        return 1;
    }
 
    ShowWindow(hWnd, nCmdShow); 
    UpdateWindow(hWnd);
 
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return (int)msg.wParam;
}

HWND hWnd = CreateWindowEx(WS_EX_TOPMOST, szWindowClass, szTitle, WS_OVERLAPPEDWINDOW & ~WS_THICKFRAME & ~WS_MAXIMIZEBOX, CW_USEDEFAULT, CW_USEDEFAULT, 250, 400, NULL, NULL, hInstance, NULL);