Liv-Goh
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Liv-Goh
Verified this issue on 9.0.100-preview.6.24312.9 with dlls built from winforms repo of main branch, it was fixed: the tree nodes added by using TreeNodeCollection.AddRange are sorted correctly 
Verified this in .NET 9.0.100-preview.7.24323.5, the binary formatter issue on image list unable to fix by adding codes above to the .csproj file.