Solution Explorer -- Collapse Folders

[dmoncayo]

Type: Feature Request

Issue Description

I'm using vscode to develop a c# project.
And I find really useful the "collapse folders in explorer" button, in the header line of the project explorer.

And I miss so much that same feature in the "solution explorer" header line.

Extension version: 2.120.3
VS Code version: Code 1.110.0 (0870c2a0c7c0564e7631bfed2675573a94ba4455, 2026-03-04T01:20:28.863Z)
OS version: Windows_NT x64 10.0.22631
Modes:

[JoeRobich]

Moving this to the C#DK repo.

[JoeRobich]

You can follow this issue at microsoft/vscode-dotnettools#2859