dotnet/winforms

Cursor flicker when hovering the pointer on the selected text in RichTextBox

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#3,063 建立於 2020年4月15日

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area-controls-RichEdithelp wanted

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描述

  • .NET Core Version: 3.1.300-preview-015095

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

Minimal repro:

  1. Create a new Winforms Core application
  2. Drag and drop a RichTextBox to the form designer
  3. Build and run this application
  4. Type some words in the RichTextBox and select some text
  5. Hover the pointer on the select text and observer the cursor

Or Run the attached project CursorFlickerPrj.zip and repeat step4 & step5.

Expected behavior: The cursor is not flicker.

Actual behavior: The cursor is flicker. Flicker333

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