PowerShell GUI Skript ausführen durch "Start" Knopf

[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Drawing")  
[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")  
$objForm = New-Object System.Windows.Forms.Form
$objForm.Backcolor="White"  
$objForm.StartPosition = "CenterScreen"  
$objForm.Size = New-Object System.Drawing.Size(400,400)
$objForm.Text = "Discrete Device Assignment"  

#VM Namen eingeben

$objForm.Add_Load({
    $objComboBox1.Items.AddRange((Get-VM | select -Expand Name))
})
$objComboBox1.Add_SelectedIndexChanged({
    [System.Windows.Forms.MessageBox]::Show((Get-VM -Name $objComboBox1.SelectedItem | fl * | out-string))
})
$objLabel = New-Object System.Windows.Forms.Label
$objLabel.Location = New-Object System.Drawing.Size(50,50)
$objLabel.Size = New-Object System.Drawing.Size(250,50)
$objLabel.Text = "Bitte wählen sie eine VM aus:"  
$objForm.Controls.Add($objLabel)

$objComboBox1 = New-Object System.Windows.Forms.Combobox
$objComboBox1.Location = New-Object System.Drawing.Size(50,100)
$objComboBox1.Size = New-Object System.Drawing.Size(250,50)
$objComboBox1.Height = 70
$objForm.Controls.Add($objComboBox1)
$objForm.TopMost = $True


#PCI-Gerät Location Path angeben

$objForm.Add_Load({
    $objComboBox2.Items.AddRange((gwmi cim_controller | select -Expand Name))
})
$objComboBox2.Add_SelectedIndexChanged({
    [System.Windows.Forms.MessageBox]::Show((gwmi cim_controller | select -Expand Name))
})

$objLabel = New-Object System.Windows.Forms.Label
$objLabel.Location = New-Object System.Drawing.Size(50,150)
$objLabel.Size = New-Object System.Drawing.Size(300,50)
$objLabel.Text = "Wählen sie ein PCI-Gerät aus:"  
$objForm.Controls.Add($objLabel)

$objComboBox2 = New-Object System.Windows.Forms.Combobox
$objComboBox2.Location = New-Object System.Drawing.Size(50,200)
$objComboBox2.Size = New-Object System.Drawing.Size(300,50)
$objComboBox2.Height = 70
$objForm.Controls.Add($objComboBox2)
$objForm.TopMost = $True

#Abbrechen-Button

$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Location = New-Object System.Drawing.Size(250,300)
$CancelButton.Size = New-Object System.Drawing.Size(75,25)
$CancelButton.Text = "Abbrechen"  
$CancelButton.Name = "Abbrechen"  
$CancelButton.DialogResult = "Cancel"  
$CancelButton.Add_Click({$objForm.Close()})
$objForm.Controls.Add($CancelButton)

#Start-Button

$StartButton = New-Object System.Windows.Forms.Button
$StartButton.Location = New-Object System.Drawing.Size(50,300)
$StartButton.Size = New-Object System.Drawing.Size(75,25)
$StartButton.Text = "Start"  
$StartButton.Add_Click(
    {
        $Script:x = $objComboBox1.selectedItems
        $objComboBox1.Text = $Script:x | out-string
    })


$objForm.Controls.Add($StartButton)

#DDA Befehle ausführen
#$DDACommands = New-Object System.Windows.SystemCommands

[void] $objForm.ShowDialog()