[void][reflection.assembly]::LoadWithPartialName(„System.Windows.Forms“)
$form = new-object Windows.Forms.Form
$form.Text = „Beispielfenster“
$button = new-object Windows.Forms.Button
$button.Text = „OK“
$button.Left = 100
$button.Top = 100
$button.Width = 50
$button.Height = 25
$button.Add_Click({$form.close()})
$form.Controls.Add($button)
$form.ShowDialog()