Nmap scan via powershell: multiple ports?


I'm using psnmap to scan a remote pc via powershell (for some ports).

That works fine when I use Invoke-PSnmap -ComputerName computer01 -Port 3389,5985
but when I want to do this via a popup, it does not work (it does work with only one port).

This is what does NOT work (multiple ports):

                Add-Type -AssemblyName Microsoft.VisualBasic
            $Ports = [Microsoft.VisualBasic.Interaction]::InputBox('Enter port to scan', 'Portscan', "3389,5985")
            $Result = Invoke-PSnmap -ComputerName computer01 -Port "$Ports"

It says the value for $ports is not ok.

Please advise howto approach.
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Because with Invoke-PSnmap -ComputerName computer01 -Port 3389,5985, you're passing an integer array to the cmdlet, not a string with a comma in it.
To do that with a string from an InputBox, you need to split the string to generate an array:
$Result = Invoke-PSnmap -ComputerName computer01 -Port $Ports.Split(',')

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