dotnet/winforms

Setting AutoEllipsis property as true, tooltip still appears after running project when no ellipsis is shown

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#5,527 opened on Aug 25, 2021

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Description

  • .NET Core Version: .Net 6.0.100-rc.1.21417.19

  • Have you experienced this same bug with .NET Framework?: Yes

More info:

  1. This issue can also repro on .Net Framework project.
  2. This issue can also repro on .Net 3.1 and .Net 5.0.

Minimal repro:

  1. Extract the “WinFormsApp3.zip” and open it in VS. WinFormsApp3.zip
  2. Build and run this application.
  3. Move the mouse hover over button1 and button2, then observe the form.

Actual behavior: It is incorrect behavior, when setting AutoEllipsis(Enables the automatic handing of text that extends beyond the width of the button) as true, but the texts don't beyond the width of button1 and button2. Tooltip still appears when moving the mouse hover over button1 and button2. e111x Untitled customer_issueupdate

Below is the correct behavior, when setting AutoEllipsis as true, tooltip appears when moving the mouse hover over button3. ex

Expected behavior: Tooltip doesn’t appear when moving the mouse hover over button.

Contributor guide

Research direction
Investigate the logic in the ToolTip control or the Button's AutoEllipsis handler that determines when to show the tooltip. The tooltip should only appear when the text is actually truncated (ellipsis shown). Trace the code path from the mouse hover event to the tooltip display.
Tech stack
csharp
Domain
desktop
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
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#.NET SDKGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70