[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)] public class MyCommand : IExternalCommand { public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements) { // 1. Get the Document UIApplication uiApp = commandData.Application; Document doc = uiApp.ActiveUIDocument.Document; // 2. Start a Transaction using (Transaction trans = new Transaction(doc, "My Customization")) { trans.Start(); // Your logic goes here (e.g., changing a parameter) trans.Commit(); } return Result.Succeeded; } } Use code with caution. Copied to clipboard 📝 Manifest Files (.addin)
: A tool within the SDK to load code without restarting Revit. 🏗️ Basic Project Setup Instant Autodesk Revit 2013 Customization with ...
C:\PathToYourDll\MyPlugin.dll MyPlugin.MyCommand Insert-New-Guid-Here ADSK Run My Custom Tool Use code with caution. Copied to clipboard 🚀 Key Learning Milestones [Autodesk
: The primary way to "find" things in your model (like all Walls or Doors). Copied to clipboard 📝 Manifest Files (