The information in the warning dialog is different from the .Net Framework when the EnableRaisingEvents property of FileSystemWatcher is changed to true

[Jessie-Zhang01]

• .NET Core Version:
  .Net 5.0.100-rc.1.20376.1 from 5.0 master branch

• Have you experienced this same bug with .NET Framework?:
  No

Minimal repro:

1. Open the attached ‘WindowsFormsApp5.zip’ application in VS, then build and run it.
2. Change the EnableRaisingEvents property to true.
3. A warning dialog will pop-up, then click the "Details" button.
4. Observe the information in the details.
5. Click the "OK" button and observe whether the EnableRaisingEvents property is changed to true.

Expected behavior:
In step4, the information in the warning dialog should be the same as .Net Framework.
In step5, the EnableRaisingEvents property should be changed to true.

Actual behavior:
In step4, the information in the warning dialog is different from the .Net Framework.

In step5, the EnableRaisingEvents property has not been changed to true.

Framework project: WindowsFormsApp6.zip

[RussKie]

System.IO.FileSystemWatcher is part of the BCL, we don't own it. The error message is also supplied by the BCL.

@JeremyKuhne may provide additional information.