CommunityToolkit/WindowsCommunityToolkit

Binding to BladeItem.IsExpanded property not working

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#2,818 opened on Feb 21, 2019

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Hacktoberfestbug :bug:controls :control_knobs: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

Binding from my ViewModel to IsExpanded property of BladeItem does not change its state.

Expected behavior

The BladeItem should collapse/expand accordingly

Minimal reproduction of the problem with instructions

tbd if really necessary...

Environment

Nuget Package(s): 
Microsoft.Toolkit.Uwp.UI.Controls
Package Version(s):  5.1.0

Windows 10 Build Number:
- [ ] Fall Creators Update (16299)
- [ ] April 2018 Update (17134)
- [ ] October 2018 Update (17763)
- [ ] Insider Build (build number: )

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 
- [x] 2017 (version: 15.9.7)
- [ ] 2017 Preview (version: )

Contributor guide

Research direction
Examine the BladeItem control's IsExpanded property implementation to verify it is a DependencyProperty and that it properly notifies the UI when changed. Check for any missing or incorrect binding setup in the control template.
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.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
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.
Mostly clear
Prerequisites
C#UWPXAML Data Binding
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65