NumberBox should only accept numbers and '-' or '.' when AcceptsExpression=False

[ArchieCoder]

Describe the bug

Right now, I can type "bug" in this control. This feels wrong. The Telerik version behaves correctly.

Regression

No response

Reproducible in sample app?

• [X] This bug can be reproduced in the sample app.

Steps to reproduce

1- Open the WinUI 2 or WinUI 3 Gallery
2- Search for NumberBox
3- Type "Bug" in any of these NumberBox

Expected behavior

It should be impossible to type letters

Screenshots

Windows Build Number

• [ ] Windows 10 1809 (Build 17763)
• [ ] Windows 10 1903 (Build 18362)
• [ ] Windows 10 1909 (Build 18363)
• [ ] Windows 10 2004 (Build 19041)
• [ ] Windows 10 20H2 (Build 19042)
• [X] Windows 10 21H1 (Build 19043)
• [X] Windows 11 21H2 (Build 22000)
• [ ] Other (specify)

Other Windows Build number

No response

App minimum and target SDK version

• [ ] Windows 10, version 1809 (Build 17763)
• [ ] Windows 10, version 1903 (Build 18362)
• [ ] Windows 10, version 1909 (Build 18363)
• [X] Windows 10, version 2004 (Build 19041)
• [ ] Other (specify)

Other SDK version

No response

Visual Studio Version

2022

Visual Studio Build Number

17.7.2

Device form factor

Desktop

Nuget packages

7.1.3

Additional context

No response

Help us help you

No.

[ghost]

Hello ArchieCoder, thank you for opening an issue with us!

I have automatically added a "needs triage" label to help get things started. Our team will analyze and investigate the issue, and escalate it to the relevant team if possible. Other community members may also look into the issue and provide feedback 🙌

[michael-hawker]

@ArchieCoder NumberBox isn't part of the Toolkit, you should file this at https://github.com/Microsoft/microsoft-ui-xaml