simpleGUI.ps1

[reflection.assembly]::loadwithpartialname(“System.Windows.Forms”) | Out-Null
[reflection.assembly]::loadwithpartialname(“System.Drawing”) | Out-Null

$form = New-Object Windows.Forms.Form
$form.text = "PowerShell WinForms Example"

$label = New-Object Windows.Forms.Label
$label.Location = New-Object Drawing.Point 50,30
$label.Size = New-Object Drawing.Point 200,15
$label.text = "Enter your name and click the button"

$textfield = New-Object Windows.Forms.TextBox
$textfield.Location = New-Object Drawing.Point 50,60
$textfield.Size = New-Object Drawing.Point 200,30

$button = New-Object Windows.Forms.Button
$button.text = "Greeting"
$button.Location = New-Object Drawing.Point 100,90

$button.add_click({
    $label.Text = "Hello " + $textfield.text
})

$form.controls.add($button)
$form.controls.add($label)
$form.controls.add($textfield)
$form.ShowDialog()| Out-Null