LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{


    switch (message)
    {
    case WM_NOTIFY:
    {
        HWND hCtrlWnd = GetDlgItem(hWnd, wParam);

        base_window *c = (base_window *)GetWindowLong((HWND)hCtrlWnd, GWLP_USERDATA);

        if (c != NULL) {
            return c->WindowProc(hWnd, message, wParam, lParam);

        }

        //Handle other messages
    }
    break;
    case WM_COMMAND:
        {

            //If this window class, has a custom wndprc
            base_window *c = (base_window *)GetWindowLong((HWND)lParam, GWLP_USERDATA);

            if (c != NULL) {
                return c->WindowProc(hWnd, message, wParam, lParam);

            }

            //Handle other messages
            int wmId = LOWORD(wParam);

            switch (wmId)
            {
            case IDM_ABOUT:
                DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
                break;
            case IDM_EXIT:
                DestroyWindow(hWnd);
                break;
            default:
                return DefWindowProc(hWnd, message, wParam, lParam);
            }
        }
        break;
    case WM_SIZE:

        objManager.resizeWindows(hWnd, message, wParam, lParam);

        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }

    return 0;
}