[reflection.assembly]::LoadWithPartialName("System.Windows.Forms")
[reflection.assembly]::LoadWithPartialName("System.Drawing")
$myBrush= new-object Drawing.SolidBrush green
$myPen= New-Object Drawing.Pen black

$rect=New-Object Drawing.Rectangle 10, 10, 180, 180
$form=New-Object Windows.Forms.Form
$formGraphics=$form.CreateGraphics()
$form.add_paint({
  $formGraphics.FillEllipse($myBrush, $rect)

  $mypen.color="red"
  $mypen.width=5

  $formGraphics.DrawLine($myPen, 10, 10, 190, 190)
  $formGraphics.DrawLine($myPen, 10, 10,  10, 190)
})

$form.ShowDialog()