Fix ArgumentNullException when Expander is expanded, and Theme is Changed #10086
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Fixes microsoft/WPF-Samples#672
Description
Tag Property wasn't being used, and this was causing ArgumentNullException when the Expander was expanded, and the Theme was changed.
Customer Impact
Not taking this fix would cause a ArgumentNullException when the Expander is expanded, and the Theme is changed
Regression
Testing
Sample App Testing
Risk
Low
Microsoft Reviewers: Open in CodeFlow