Function Start

Function Start {
param($computername =$env:COMPUTERNAME)
 
Get-WMIObject -ComputerName $computername | Select-Object @{Name='ComputerName';Ex={$computername}},`
                                                                    @{Name=‘AD‘;Expression={$computername}},`
                                                                    @{Name=‘GLPI’;Expression={$computername}},`
                                                                    @{Name=‘ESET’;Expression={$computername}},`
                                                                    @{Name=‘WSUS’;Expression={$computername}}
                                                                 }
 

 
$WPFbutton.Add_Click({
start-sleep -Milliseconds 840

[string[]]$b = import-csv '.\test2.csv' | select -expand ComputerName
[string[]]$c = import-csv '.\test3.csv' | select -expand ComputerName
[string[]]$d = import-csv '.\test4.csv' | select -expand ComputerName
$b |? {$a -notcontains $_}
$c |? {$a -notcontains $_}
$d |? {$a -notcontains $_}





})