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Template for EA Addins with GUI written in C#. The features are:

  • Add-In with GUI
    • Add-In Tab
    • Add-In Window
  • Settings in *.json
  • WIX installer for admin and non admin install
    • Single Package authoring
      • per user install
      • per machine install
      • GUI to install
    • Build *.msi with product number

See: Install Add-In without Admin privileges

My environemt:

  • Windows

  • VS 2017 community as IDE

  • WIX 3.11 for installer package

    If you have ideas, requests or advice feel free to contact me or participate.

    Best regards,


Make your Addin

  1. Open in Visual Studio
  2. Update References
    • interop.EA.dll
    • Newtonsoft.Json (Package Manager)
    • WixUIExtension (hoAddinTemplateSetup to c:\Program Files (x86)\WiX Toolset v3.11\bin\WixUIExtension.dll, my installation)
    • Project properties: hoAddinTemplateRoot, Debug, Start external program=C:\Program Files (x86)\Sparx Systems\EA\EA.exe, my installation)
  3. Create Entry in registry for Addin 'hoAddinTemplate'
    • Key: HKEY_CURRENT_USER\Software\Sparx Systems\EAAddins\hoAddinTemplate
    • Value: (Default) hoAddinTemplate.Root
  4. Build and test as release and debug
    • Install from: hoAddinTemplateSetup\bin\Release\en-us\hoAddinTemplate.msi
    • Advanced, per user Install, to install without admin rights!