Microsoft.UI.Windowing.DisplayArea.FindAll() static method throws a System.ArgumentOutOfRangeException

[NordsonDavid]

Describe the bug

Calling Microsoft.UI.Windowing.DisplayArea.FindAll() will always throw a System.ArgumentOutOfRangeException

This appears to be due to an issue in TypeNameSupport.ParseGenericTypeName() where a call is made to ReadOnlySpan.Slice() with a 0 parameter.

Steps to reproduce the bug

Use the code:

IReadOnlyList<DisplayArea> displayAreas = DisplayArea.FindAll();

Expected behavior

A read only list of DisplayArea objects is returned

Screenshots

No response

NuGet package version

WinUI 3 - Windows App SDK 1.4.3: 1.4.231115000

Windows version

Windows 11 (22H2): Build 22621

Additional context

No response

[github-actions]

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Closed similar issues:

• Microsoft.UI.Windowing.DisplayArea.FindAll iterator throws "Invalid Cast" (#6454), similarity score: 0.79

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[NordsonDavid]

This bug is not the same as #6454 as a different exception is thrown