dotnet/winforms

[Dark Mode] ToolTip is not in dark mode after enabled SystemColorMode.Dark

Closed

#11,954 opened on Aug 21, 2024

View on GitHubContributor guide
 (2 comments) (2 reactions) (1 assignee)C# (922 forks)batch import
:construction: work in progressarea-DarkModehelp wanted

Repository metrics

Stars
 (4,100 stars)
PR merge metrics
 (Avg merge 14d 22h) (56 merged PRs in 30d)

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

ToolTip is not in dark mode after enabled SystemColorMode.Dark image

Steps to reproduce

  1. Create a WinForms .NET application with checkBox and toolTip controls
  2. Find the ToolTip on toolTip1 property of checkBox, then set some text for this property
  3. Enable DarkMode by Application.SetColorMode(SystemColorMode.Dark) in Program.cs file
  4. Run application, tab or mouse over this checkBox to observe the keyboard tooltip or mouse tooltip

Contributor guide

Research direction
Examine how ToolTip rendering is handled in dark mode, specifically if it uses system colors or custom drawing. Look at the ToolTip native window and its color handling.
Tech stack
csharp
Domain
frontend
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
C#WinForms
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60