ShowRyMonitor菜單顯示Ry Monitor窗口，菜單變成HideRyMonitor。

Ry Monitor

LRESULT CALLBACK FrameWndProcess(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp)
{
    CLIENTCREATESTRUCT ccs;
    HWND hRyMonitor;
    HWND hDiMonitor;
    HWND hDioMonitor;
    HWND hGpibMonitor;
    HWND hSio1Monitor;
    HWND hSio2Monitor;
    HWND hSio3Monitor;
    HWND hSio4Monitor;
    MENUITEMINFO mi;
    switch (msg)
    {
    case WM_CREATE:
    case WM_COMMAND: