Open the comm tester form that you downloaded. Create a command button and call it LIST PORTS. In the CLICK event put this code:

* Launch Device Manager Form to see all ports and devices on computer

Local lcOpen

Declare Integer ShellExecute In shell32.Dll ;
INTEGER hndWin, String cAction, String cFileName, ;
STRING cParams, String cDir, Integer nShowWin

lcOpen = "devmgmt.msc"

ShellExecute(0,"open",lcOpen,"","",1)



Click on PORTS - COMM AND LPT

Make sure Comm 4 exists.


What is your connection code for RThreshold?

Don