C# in powershell

csharp-in-powershell.ps1

##########
# C# code
$Source = @' 
using System;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Drawing.Imaging;

namespace ActiveBarcode.Tool
{
    public static class OCXBridge
    {
        // get a .NET image object from a handle
        public static Image getBitmapFromHBITMAP(IntPtr hBitmap) 
        {
            // Console.WriteLine("getBitmapFromHBITMAP: " + hBitmap);
            Image img = Image.FromHbitmap(hBitmap);
            return img;
        }
    }
}
'@ 
Add-Type -ReferencedAssemblies 'System.Windows.Forms','System.Drawing' -TypeDefinition $Source -Language CSharp
##############################################################################

$ab # The ActiveBarode object
$ab = New-Object -ComObject BARCODE.BarcodeCtrl.1
$result = $ab.CreatePictureBySize(400, 400)
$hBitmap = $ab.picture().handle() # The Windows GDI handle of the picture
$image = [ActiveBarcode.Tool.OCXBridge]::getBitmapFromHBITMAP($hBitmap)

# Or without c sharp:
#$image = [System.Drawing.Image]::FromHbitmap($hBitmap)

# Save as file
$filename ="$home\abtest.png"
$image.Save($filename)