Throws COM exception while using WinUI 3 custom controls in WPF/WF application using XAML

[sudharsan-narayanan]

Describe the bug

Attempted to use the custom WinUI controls in the WPF application, but encountered a COM exception. I have included a sample, a screenshot for your reference.

WPF_XAML_Islands_WinUI3-master.zip

Steps to reproduce the bug

1. Download and run the sample.
2. Note: COM Exception thrown

Expected behavior

It should be run properly.

Screenshots

No response

NuGet package version

WinUI 3 - Windows App SDK 1.6.1: 1.6.240923002

Windows version

Windows 11 (21H2): Build 22000

Additional context

No response

[sudharsan-narayanan]

Hi team,

Any update on this?