v-philipwang

@merriemcgaw Here are the results of .NET Framework 2.0. .NET Framework 4.8 and 3.5 also have the same results.  [Framework20.zip](https://github.com/dotnet/winforms/files/9307042/Framework20.zip)

@dreddy-work This should be a regression issue in .NET Core, .NET framework is the expected result from the document. Thanks to @vladimir-krestov for the comment update and remove the relevant...

Verified this issue in the latest .Net 8.0 SDK build: 8.0.100-alpha.1.22469.15, it is fixed. 

@elachlan This is a regression issue. It works fine on .NET 6.0, but regresses from .NET 7.0. https://github.com/dotnet/winforms/assets/86937911/71b11b08-7475-4f4d-b51d-e51f45b5687d

Verified the issue on 9.0.100-alpha.1.23580.4 with dlls build form main branch, the issue has been fixed that the DataGridView's Row/Column counting with starting at 1, not 0. Accessibility Insight: ...

Verified it in the latest .Net 9.0 SDK build: 9.0.100-preview.4.24177.8, it was fixed: All ToolStripButton's 's tooltip is correct. https://github.com/dotnet/winforms/assets/86937911/6c40163b-e4a6-434e-8e53-441ad2c3cf94

Verified the issue with .NET 9.0.100-preivew.6.24325.8 TP build. the issue has been fixed that have the same results as above.

@elachlan This is not a regression issue, it can be reproduced in .NET 6.0 to 9.0. https://github.com/dotnet/winforms/assets/86937911/90e796d1-e7c0-4c90-8841-9c1ed2ca133b

@elachlan Verified this on .NET 9.0 latest build: 9.0.100-preview.5.24265.9, Performance issue have improved dramatically. Rendering issue doesn't repro, the fonts for the GroupBoxes and ListViews scale well on the secondary...

Verified this with the latest internal VS: 17.12.0 Preview 2.0 + .NET SDK 9.0.100-rc.2.24428.6 build, it was fixed. BinaryFormatter support when .resx contains "application/x-microsoft.net.object.binary.base64" https://github.com/user-attachments/assets/9676348e-6b5d-4d60-837d-f6f49766a900