CommunityToolkit/WindowsCommunityToolkit

Mask extension on Textbox - bug

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#2,954 opened on Jun 17, 2019

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bug :bug:help wanted

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Description

I'm submitting a...

Bug report (I searched for similar issues and did not find one)

Current behavior

When the mask of a TextBox is 99/99/9999 I can systematically makes it fail displaying something wrong and not accepting figures (or wrongly accepting them).

Expected behavior

I should be able to type any patterns that respects 99/99/9999

Minimal reproduction of the problem with instructions

Here is a repro. If you tap on Add then Remove then Add then Remove then Add, you'll see that the date doesn't display properly. And if you try to edit it, it behaves strangely.

Environment

Nuget Package(s): Microsoft.Toolkit.Uwp.UI

Package Version(s): 5.1.1

Windows 10 Build Number:
1809

App min and target version:
- [ ] Fall Creators Update (16299)
- [ ] April 2018 Update (17134)
- [x] October 2018 Update (17763)
- [ ] Insider Build (xxxxx)

Device form factor:
- [x] Desktop
- [ ] Mobile
- [ ] Xbox
- [ ] Surface Hub
- [ ] IoT

Visual Studio 
2019 16.0.3

Contributor guide

Research direction
Investigate the Mask extension behavior for TextBox when adding and removing items dynamically. Focus on the Mask property and its interaction with TextBox text changes, especially the 99/99/9999 pattern.
Tech stack
csharp
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitVisual Studio
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70