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Fixed

Fixed in 2021.3.31f1, 2022.2.13f1, 2023.1.0b9, 2023.2.0a6

Votes

1

Found in

2021.3.17f1

2022.1.24f1

2022.2.3f1

2023.1.0a26

2023.2.0a1

2023.3.0a3

Issue ID

UUM-23208

Regression

No

"ArgumentNullException" thrown when clicking the "add" footer button of ListView which itemsSource is a list of value type

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How to reproduce:

# Open the attached project "Repro.zip"
# Open Sample>Sample Window
# Click the "+" button in the "Sample Window"

Expected results: No errors thrown
Actual results: "ArgumentNullException: Value cannot be null." thrown in the Console window

Reproducible with: 2021.3.17f1, 2022.1.24f1, 2022.2.3f1, 2023.1.0a26
Could not test with: 2020.3.44f1 (compilation errors in the Console window)

Reproducible on: Windows 10

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