Modernize CASE Apps for Revit 2025–2027

[johnpierson]

Summary

Brings the open-source CASE Apps suite into the current Revit era: SDK-style projects, .NET 8 / .NET 10, and first-class support for Revit 2025, 2026, and 2027.

The old multi-year shell layout (duplicate projects per year + SharedProjects, Framework 4.8, local Revit install path references) is replaced with a single modern project per add-in, NuGet-based Revit APIs, and a clean build → deploy → install path.

41 of 41 modern add-ins build for 2025, 2026, and 2027. Ribbon icons load correctly. Dev install + smoke checks are scripted.

Why this matters

Before	After
Revit 2020–2023 shells, .NET Framework 4.8	Revit 2025–2027, net8 / net10
Hardcoded C:\Program Files\Autodesk\Revit …	Nice3point.Revit.Api packages
~4 project copies per app	One SDK project under src/<App>/modern/
deploy/2015–2023 prebuilts	deploy/2025–2027 from the modern build
Manual copy for testing	Install-CaseApps.ps1 + SmokeTest-CaseApps.ps1

What’s included

Build system

• src/Directory.Build.props / Directory.Build.targets — shared TFMs, Revit package refs, per-year output isolation, deploy copy
• src/CaseApps.sln — all modern add-ins
• build.ps1 — build one or all years (-p:RevitVersion=…)
• src/global.json — SDK roll-forward for .NET 10

Year	TFM	API packages
2025	net8.0-windows	Nice3point.Revit.Api.*
2026	net8.0-windows	Nice3point.Revit.Api.*
2027	net10.0-windows	Nice3point.Revit.Api.*

API / code modernization

• ElementId.IntegerValue → ElementId.Value (WorksetId still uses IntegerValue)
• BuiltInParameterGroup → GroupTypeId / ForgeTypeId + ParameterUtils.GetAllBuiltInGroups()
• WinForms vs Revit TaskDialog ambiguity resolved
• Revit 2027: ViewType.PresureLossReport → PressureLossReport (version-gated)
• Ribbon icons: embed Icons/*.png as Case.AppsRibbon.<name>.png for GetManifestResourceStream
• Exceler8: minimal HtmlTextWriter shim for net8/net10; Newtonsoft / Excel Interop / charting packages where needed

Installer and packaging

• CaseApps-installer.iss retargeted to 2025 / 2026 / 2027 (version 27.1.0)
• Layout: %AppData%\Autodesk\Revit\Addins\<year>\Case.Apps\ + Case.Apps.addin → Case.Apps\Case.AppsRibbon.dll
• Rebuilt CASEApps-installer.exe included

Tooling

• tools/Install-CaseApps.ps1 — install/uninstall for smoke testing
• tools/SmokeTest-CaseApps.ps1 — offline PE/manifest/core assembly checks
• tools/Convert-ToModern.ps1 — historical conversion helper

Cleanup

• Removed legacy year shells (*2020–*2023), SharedProjects, per-app solutions, CaseAppsAll.sln
• Removed deploy/2015–2023 and old install zip baggage

Out of scope / known gaps

• Case.Subs.OpenNURBS — not in the modern solution (legacy Framework OpenNURBS wrapper)
• VB → C# — intentionally left as VB; only projects/tooling/APIs modernized
• Full interactive QA of every command in-session is still recommended beyond ribbon + smoke scripts

How to verify

# Build
.\build.ps1 -RevitVersions 2026

# Dev install
.\tools\Install-CaseApps.ps1 -RevitYear 2026
.\tools\SmokeTest-CaseApps.ps1 -RevitYear 2026 -FromInstall

# Then open Revit 2026 → CASE Apps #1 / #2 ribbons (icons should show)

Or use the Inno Setup installer for multi-year deployment.

Test plan

• dotnet build all 41 apps for Revit 2025, 2026, and 2027
• Offline smoke test (manifest, PE, core DLLs)
• Dev install into Revit 2026 Addins folder
• Ribbon tabs load with icons in Revit 2026
• Spot-check a few free + pro commands in a real model (reviewer)
• Optional: compile ISS and install via installer on a clean machine

Commits

1. fddbebf — Modernize CASE Apps for Revit 2025–2027
2. 9c823ee — Fix ribbon icons (embedded PNG resources)
3. 76887df — Rebuilt installer + .addin alignment