dotnet / dotnet/winforms

DataGridViewDarkModeTheming: DataGridViewComboBoxColumn and DataGridViewButtonColumn do not appear to fully adopt dark mode colors after enabling dark mode theming

Open
#15,077 0 comments 0 reactions 1 assignee Claimed by @LeafShi1 View on GitHub
area-DarkMode untriaged
Dominant language
C#
Stars
4.9k
Forks
1.1k
Avg merge
1d 13m
Merged PRs (30d)
85

Description

### .NET version

.NET 11 RC2 build: 11.0.100-rc.2.26458.109 + built private dls from the main branch of WinForms repo

### Did it work in .NET Framework?

Not tested/verified

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

No, this issue was found after https://github.com/dotnet/winforms/issues/14266 fixed.

### Issue description

After enabling the AppContext quirk switch: `System.Windows.Forms.DataGridViewDarkModeTheming`, some DataGridView cell types do not appear to fully adopt dark mode colors.
The text in the DataGridViewComboBoxColumn and DataGridViewButtonColumn appear in dark color instead of white;
The backColor in the DataGridViewButtonColumn appears in white color instead of Black.

Image

### Steps to reproduce

1. Open and extract demo project
[WinFormsApp14266.zip](https://github.com/user-attachments/files/32051793/WinFormsApp14266.zip)
2. Run the application to observe

Contributor guide

Open the contributing guide

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.