Accessibility: (combobox control) An element of the given type should not support the Scroll pattern.

[grubioe]

Copied from VSO ID: 691457

Does the bug reproduce also in WPF for .NET Framework 4.8?: Yes

Problem description:
MAS-4.2.8: (combobox control) An element of the given type should not support the Scroll pattern.

Minimal repro:

Application: WPF Application project in C# with combo box control

Issue Details
An element of the given type should not support the Scroll pattern.

Element path: combo box "test"

To Reproduce and How to Fix guidance: Please open the attached Keros Test File (*.k4dtest) to reproduce the error in Keros for Desktop.

691457.zip

This accessibility issue was found using Keros for Desktop, a tool that helps debug and find accessibility issues earlier. Get more information & download this tool at https://aka.ms/K4D.

[grubioe]

@arpitmathur can you assess if this is needed for 3.0?

[grubioe]

We should fix by changing the return from GetPattern to query for the expanded/collapsed state of the combobox