[Regression] CheckedListBox selected item has an incorrect color

[vladimir-krestov]

• Regression from a6a308f
• .NET Core Version: 5.0
• Have you experienced this same bug with .NET Framework?: No

Problem description:

• If to select some CheckedListBox item it will have an incorrect background color.
  

Expected behavior:

• CheckedListBox selected item has a color as before
  

Minimal repro:

• Create a .Net 5.0 app using the latest master branch dlls (Or just run WinformsControlsTest project - MultipleControls form)
• Add a CheckedListBox with items to the form
• Run the app and select some item

[vladimir-krestov]

@JeremyKuhne, could you please take a look at this regression bug? It was added in a6a308f (PR #3553)
I think you know how to fix it. Could you please assign it to you and fix it?

@Vino-Wang, could you please test it using the latest master branch dlls if it possible and approve this bug?

FYI: @SergeySmirnov-Akvelon, @RussKie

[JeremyKuhne]

I'll fix it shortly

[vladimir-krestov]

Thank you so much for the hotfix. It works well now. 👍

[Jessie-Zhang01]

Verified this issue with .Net 6.0.100-alpha.1.20420.20 from Master branch, this issue is fixed. CheckedListBox selected item has a color as before.