System.ArgumentException occurs with Font Family in Win2D Controls on Windows in VS Code

[BrundhaVelusamy]

Description

When running a .NET MAUI application in Visual Studio Code on Windows, a System.ArgumentException with the message "Value does not fall within the expected range" occurs if the font family is set for any Win2D-drawn custom controls. The exception does not occur when running the same project in Visual Studio.

Replication sample:
FontFamilyIssue.zip

Steps to Reproduce

1. Run the project on VS code.
2. System.ArgumentException will occur.
3. Remove the font family from the custom control, the exception will not occur.

Link to public reproduction project repository

No response

Version with bug

8.0.82 SR8.2

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

Windows

Affected platform versions

No response

Did you find any workaround?

No

Relevant log output

No response

[github-actions]

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Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it. Thank you!

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• Bug in ICanvas.GetStringSize when called with default font (#20419), similarity score: 0.75

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• Label:[WinUI] FontFamily is not recognized in Unpackaged application. (#9104), similarity score: 0.74

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[ninachen03]

I can repro this issue at Windows platform on the latest 17.12.0 Preview 1.0(8.0.82 &8.0.80 & 8.0.3).

[mattleibow]

This may be a packaged/unpackaged difference. Because Windows apps cannot be launched via the CLI/VSCode :( we use an unpackaged app. VS uses packaged by default.

Now, does this help you? Not really, but it will explain why the different IDEs behave differently.

What is the value that eventually gets to the font family? format.FontFamily = fontFamily?.Source;

[BrundhaVelusamy]

This may be a packaged/unpackaged difference. Because Windows apps cannot be launched via the CLI/VSCode :( we use an unpackaged app. VS uses packaged by default.

Now, does this help you? Not really, but it will explain why the different IDEs behave differently.

What is the value that eventually gets to the font family? format.FontFamily = fontFamily?.Source;

@mattleibow, Thank you for your details.

format.FontFamily = fontFamily?.Source; --> Here format.FontFamily will get the details of the assigned font family of the custom control, like ms-appx:///Cinzel-Regular.ttf#Cinzel.

There is already an existing issue in WinUI when building the project on the Unpackaged version on Visual Studio:
CanvasTextFormat throws in Unpackaged apps

[BrundhaVelusamy]

Any update on this issue?

[BrundhaVelusamy]

Please provide high priority for this issue.