Powershell Funktion Pipeline oder nicht

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
$window = New-Object System.Windows.Forms.Form
$window.Width = 300
$window.Height = 100
 
$windowButton = New-Object System.Windows.Forms.Button
$windowButton.Location = New-Object System.Drawing.Size(10,10)
$windowButton.Size = New-Object System.Drawing.Size(150,50)
$windowButton.Text = "Start Jobs"  
 
workflow Get-ServicesStatus{
param(
)

    $servers = @('Name1','Name2')  

    foreach -parallel ($s in $servers){
        $result = InlineScript {Invoke-Command -ComputerName $Using:s -ScriptBlock { 
		                Get-Service | Where-Object{$_.DisplayName -like "*OSD PXE*"}  
        }}
        $result
    }
}
  
$windowButton.Add_Click({
    Get-ServicesStatus
})
 
$window.Controls.Add($windowButton)

[void]$window.ShowDialog()

workflow Get-ServicesStatus{
param(
)

    $servers = @('Name1','Name2')  

    foreach -parallel ($s in $servers){
        InlineScript {Invoke-Command -ComputerName $Using:s -ScriptBlock { 
		                Get-Service | Where-Object{$_.DisplayName -like "*OSD PXE*"}  
        }}
    }
}
  
$windowButton.Add_Click({
         $result =  Get-ServicesStatus
        Write-host $result
})

Function Get-ServiceInfo  ([string[]]$ComputerName) {
   
    $Result = @()

    ForEach ($Computer in $ComputerName) {    
        
        $Services = Invoke-Command -ComputerName $Computer -ScriptBlock { Get-Service -DisplayName "*OSD*"}  

        $tmpOBJ = New-Object psobject
        $tmpOBJ | Add-Member -MemberType NoteProperty -Name "Service" -Value $Services.Name  
        $tmpOBJ | Add-Member -MemberType NoteProperty -Name "Status" -Value $Services.Status   
        
        foreach ($s in $Services) {
            $ServiceName = $s.Service
            $ServiceStatus = $s.Status
            
            $tmpOBJ | Add-Member -MemberType NoteProperty -Name "$($ServiceName)_DienstName" -Value $ServiceStatus  
        }
        
        $Result += $tmpOBJ
    }
    return $Result
}

            $tmpOBJ | Add-Member -MemberType NoteProperty -Name "$($VolumeLetter)_VolumeName" -Value $VolumeName  
            $tmpOBJ | Add-Member -MemberType NoteProperty -Name "$($VolumeLetter)_TotalSize" -Value $VolumeTotalSize  
            $tmpOBJ | Add-Member -MemberType NoteProperty -Name "$($VolumeLetter)_FreeSize" -Value $VolumeFreeSize