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[Visual Studio 2026 18.6.2] object values are evaluated, nested rows are visible, but expand/collapse glyphs/arrows/+ controls are missing.

FOURCARD Fabrice MarkBtoArdEur 0 Reputation points
2026-06-01T12:25:35.7966667+00:00

Visual Studio 2026 18.6.2

Debugger: managed C#/.NET

Window: Autos

Issue: object values are evaluated, nested rows are visible, but expand/collapse glyphs/arrows/+ controls are missing.

Workarounds tried: Reset Window Layout, delete .vs folder

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Developer technologies | Visual Studio | Debugging

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  1. AI answer

    2026-06-01T12:25:45.89+00:00

    In Visual Studio, the Autos window shows expandable objects with a disclosure glyph (arrow) when the debugger recognizes child members and visual styles are applied correctly. The context only documents how to open and use Autos/Locals and what expandable objects look like, not any known issue or fix specific to Visual Studio 2026 18.6.2 where the expand/collapse glyphs are missing while nested rows are still visible.

    Because no product bug or configuration workaround for this specific behavior is documented in the provided material, no additional, supported troubleshooting steps can be given beyond the general guidance already tried (window layout reset, solution cache cleanup).

    References:

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  2. Varsha Dundigalla(INFOSYS LIMITED) 5,025 Reputation points Microsoft External Staff
    2026-06-02T11:09:33.76+00:00

    Thank you for sharing the screenshot and details.

    From what you described, the debugger is actually working correctly because the object values are evaluated and the nested rows are already visible and expanded. The only issue here is that the expand/collapse arrow (the small triangle or “+” control) is not being shown in the Autos window.

    So this is not a debugging or data problem, it is only a UI display issue in Visual Studio where the glyph is missing.

    This usually happens due to rendering or display issues in the IDE. You can try a few simple things to fix it: change the Visual Studio theme (Light/Dark/Blue), check Windows display scaling and try 100% temporarily, restart Visual Studio after clearing the ComponentModelCache folder, or disable hardware graphics acceleration from Tools → Options → Environment. If the issue still continues, running a Visual Studio repair or updating to the latest version also helps in cases like this.

    Please let us know if you require any further assistance, we’re happy to help. If you found this information useful, kindly mark this as "Accept Answer". So that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

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  3. FOURCARD Fabrice MarkBtoArdEur 0 Reputation points
    2026-06-02T07:41:08.6366667+00:00

    So the row can be expanded even if “>” element does not appear?

    Yes, the row can be expanded.

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