[void][Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
$form = New-Object Windows.Forms.Form
$form.Size = New-Object Drawing.Size 640,480
$form.Text = "Hello, World!"
$label1 = New-Object Windows.Forms.Label
$label1.Size = New-Object Drawing.Size 320, 20
$label1.Text = "Hello, Windows Forms(PowerShell) World!"
$form.Controls.Add( $label1 )
$form.ShowDialog()

[void][Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") $form = New-Object Windows.Forms.Form $form.Size = New-Object Drawing.Size 640,480 $form.Text = "Hello, World!" $label1 = New-Object Windows.Forms.Label $label1.Size = New-Object Drawing.Size 320, 20 $label1.Text = "Hello, Windows Forms(PowerShell) World!" $form.Controls.Add( $label1 ) $form.ShowDialog()

$source = @"
using System;
using System.Drawing;
using System.Windows.Forms;
 
public class HelloForm : Form
{
    public HelloForm()
    {
        this.Size = new Size( 640, 480 );
        this.Text = "Hello, World!";
 
        Label label1 = new Label();
        label1.Size = new Size( 320, 20 );
        label1.Text = "Hello, Windows Forms(PowerShell) World!";
 
        this.Controls.Add( label1 );
    }
    [STAThread]
    public static void Main()
    {
        HelloForm form = new HelloForm();
        Application.Run(form);
    }
}
"@
Add-Type -Language CSharp -TypeDefinition $source -ReferencedAssemblies ("System.Drawing", "System.Windows.Forms" )
[HelloForm]::Main()

$source = @" using System; using System.Drawing; using System.Windows.Forms; public class HelloForm : Form { public HelloForm() { this.Size = new Size( 640, 480 ); this.Text = "Hello, World!"; Label label1 = new Label(); label1.Size = new Size( 320, 20 ); label1.Text = "Hello, Windows Forms(PowerShell) World!"; this.Controls.Add( label1 ); } [STAThread] public static void Main() { HelloForm form = new HelloForm(); Application.Run(form); } } "@ Add-Type -Language CSharp -TypeDefinition $source -ReferencedAssemblies ("System.Drawing", "System.Windows.Forms" ) [HelloForm]::Main()

$source = @"
Imports System
Imports System.Drawing
Imports System.Windows.Forms
 
Public Class HelloForm
    Inherits Form
 
    Public Sub New()
        Me.Size = New Size( 640, 480 )
        Me.Text = "Hello, World!"
 
        Dim label1 As New Label
        label1.Size = New Size( 320, 20 )
        label1.Text = "Hello, Windows Forms(PowerShell) World!"
 
        Me.Controls.Add( label1 )
    End Sub
 
    <STAThread> _
    Shared Sub Main()
        Dim form As New HelloForm()
        Application.Run(form)
    End Sub
End Class
"@
Add-Type -Language VisualBasic -TypeDefinition $source -ReferencedAssemblies ("System.Drawing", "System.Windows.Forms" )
[HelloForm]::Main()

$source = @" Imports System Imports System.Drawing Imports System.Windows.Forms Public Class HelloForm Inherits Form Public Sub New() Me.Size = New Size( 640, 480 ) Me.Text = "Hello, World!" Dim label1 As New Label label1.Size = New Size( 320, 20 ) label1.Text = "Hello, Windows Forms(PowerShell) World!" Me.Controls.Add( label1 ) End Sub <STAThread> _ Shared Sub Main() Dim form As New HelloForm() Application.Run(form) End Sub End Class "@ Add-Type -Language VisualBasic -TypeDefinition $source -ReferencedAssemblies ("System.Drawing", "System.Windows.Forms" ) [HelloForm]::Main()

C:¥> PowerShell -File Hello.ps1

C:¥> PowerShell -File Hello.ps1

+------------------------------------------+
|Hello, World!                    [_][~][X]|
+------------------------------------------+
|Hello, Windows Forms(PowerShell) World!   |
|                                          |
|                                          |
|                                          |
|                                          |
|                                          |
|                                          |
|                                          |
|                                          |
|                                          |
+------------------------------------------+

+------------------------------------------+ |Hello, World! [_][~][X]| +------------------------------------------+ |Hello, Windows Forms(PowerShell) World! | | | | | | | | | | | | | | | | | | | +------------------------------------------+