[Regression] Clipboard.GetDataObject().GetImage() returns null on .NET 10

[TravisEz13]

Summary

Clipboard.GetDataObject() followed by .GetImage() returns null on .NET 10 Windows Forms. This is a regression — the same code works on .NET 9.

The issue was originally reported as a PowerShell regression: PS 7.5.5 (.NET 9) works, PS 7.6.6 (.NET 10) does not.

Repro steps

First, copy an image to the clipboard (e.g. Ctrl+C selection in MS Paint).

PowerShell repro (original report):

Add-Type -AssemblyName System.Windows.Forms
$dataObject = [Windows.Forms.Clipboard]::GetDataObject()
$dataObject.GetImage()

• PowerShell 7.5.5 (.NET 9): returns System.Drawing.Bitmap
• PowerShell 7.6.6 (.NET 10): returns nothing / null

C# repro (net10.0-windows):

using System.Windows.Forms;

class Program
{
    [STAThread]
    static void Main()
    {
        dynamic dataObject = Clipboard.GetDataObject();
        var image = dataObject.GetImage();

        if (image == null)
            Console.WriteLine("GetImage() returned null - no image on clipboard.");
        else
            Console.WriteLine($"Got image: {image.GetType().FullName} ({image.Width}x{image.Height})");
    }
}

With an image on the clipboard, GetImage() returns null on .NET 10.

Expected behavior

GetImage() returns a System.Drawing.Bitmap when an image is on the clipboard.

Actual behavior

GetImage() returns null.

Environment

• OS: Windows
• .NET SDK: 10.0.104
• Target framework: net10.0-windows

[spongemike2]

This is blocking my ability to use this version of .NET (and PowerShell).

[Shyam-Gupta]

@TravisEz13 Could you please confirm whether:

• This is an intermittent issue.
• You have a retry mechanism implemented around this API call in your application along with a try/catch pattern? If yes, then could you please share the code snippet.

[TravisEz13]

@spongemike2 reported this and is calling the .NET API directly in PowerShell.