dotnet/winforms

[Dark Mode] ListViewGroup/Subtitle/TaskLink is hard to visible in ListView after enabled SystemColorMode.Dark

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#11,965 opened on Aug 22, 2024

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area-DarkModehelp wanted

Description

.NET version

9.0.0-rc.1.24418.2 + private dlls built 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: https://github.com/dotnet/winforms/pull/11857

Issue description

ListViewGroup/Subtitle/TaskLink is hard to visible in ListView after enabled SystemColorMode.Dark

image

Steps to reproduce

  1. Create a WinForms .NET application with ListView control
  2. Add ListViewItem, ListViewColumn, ListViewGroup with setting Subtitle/TaskLink property
  3. Enable DarkMode by Application.SetColorMode(SystemColorMode.Dark) in Program.cs file
  4. Run the application to observe

Contributor guide

Tech stack
csharp
Domain
desktopaccessibility
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Knowledge of WinForms ListView controlUnderstanding of dark mode implementation in WinForms
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55
Research direction
Examine the dark mode implementation in PR #11857 (dotnet/winforms/pull/11857). Focus on how ListViewGroup, Subtitle, and TaskLink colors are set. Investigate the rendering code for these elements, likely in ListView.cs or related files. Check if the dark theme colors are properly applied to subtitles and task links. The issue includes screenshots showing poor visibility; compare with light mode behavior. Comments in the issue may provide additional clues.
[Dark Mode] ListViewGroup/Subtitle/TaskLink is hard to visible in ListView after enabled SystemColorMode.Dark · dotnet/winforms#11965 | Good First Issue