Printing
Printer Ports and Printer Drivers
List Printer Port Availability , WMI
' List Printer Port Availability
Set objDictionary = CreateObject("Scripting.Dictionary")
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set colPrinters = objWMIService.ExecQuery _
("Select * from Win32_Printer")
For Each objPrinter in colPrinters
objDictionary.Add objPrinter.PortName, objPrinter.PortName
Next
Set colPorts = objWMIService.ExecQuery _
("Select * from Win32_TCPIPPrinterPort")
For Each objPort in colPorts
If objDictionary.Exists(objPort.Name) Then
strUsedPorts = strUsedPorts & _
objDictionary.Item(objPort.Name) & VbCrLf
Else
strFreePorts = strFreePorts & objPort.Name & vbCrLf
End If
Next
Wscript.Echo "The following ports are in use: " & VbCrLf & strUsedPorts
Wscript.Echo "The following ports are available: " & VbCrLf & strFreePorts
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