[Dark Mode] PrintPreviewControl does not display correctly after setting the background to black

[Nora-Zhou01]

.NET version

9.0.0-rc.1.24415.1 + build private dll from winforms repo main branch

Did it work in .NET Framework?

No

Did it work in any of the earlier releases of .NET Core or .NET 5+?

This is a new feature Dark Mode: #11857

Issue description

Dark Mode：
PrintPreviewControl does not display correctly after setting the background to black

Classic Mode:
PrintPreviewControl can be displayed correctly after the background is set to black

Steps to reproduce

1. Create a WinForms .NET Core application with PrintPreviewControl control
2. PrintPreviewControl backcolor is set to black
3. Enable DarkMode by Application.SetColorMode(SystemColorMode.Dark) in Program.cs file
4. Run the application

[dotnet-policy-service]

This issue is now marked as "help wanted", and we’re looking for a community volunteer to work on this issue. If we receive no interest in 180 days, we will close the issue. To learn more about how we handle feature requests, please see our documentation.

Happy Coding!

[Liv-Goh]

Tested in the latest .NET 10 SDK build: 10.0.100-preview.3.25126.20, the issue does not repro anymore, so close this issue.