Every external command needs a specific structure. Use this template:
(Includes the crucial RevitAPI.dll and RevitAPIUI.dll ).
💡 : Use RevitLookup . It is an open-source tool that lets you "peek" under the hood of Revit elements to see their API properties in real-time. Instant Autodesk Revit 2013 Customization with ...
: A tool within the SDK to load code without restarting Revit. 🏗️ Basic Project Setup
: The primary way to "find" things in your model (like all Walls or Doors). Every external command needs a specific structure
: Open Visual Studio and start a new C# Class Library project. Add References : Browse to your Revit installation folder. Add RevitAPI.dll (database functions). Add RevitAPIUI.dll (interface functions). Set Copy Local to False for both.
: Learn to use get_Parameter() and Set() to read/write data. It is an open-source tool that lets you
: Use uiApp.ActiveUIDocument.Selection to interact with what the user clicks.