ShowRyMonitor菜单显示Ry Monitor窗口，菜单变成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:
