Add the following code to create the add-in. When writing the code in VB.NET, you must pay attention to key letter capitalization.
Code Region 30-9: Hello World in VB.NET |
Imports System Imports Autodesk.Revit.UI Imports Autodesk.Revit.DB <Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)> _ Public Class Class1 Implements IExternalCommand Public Function Execute(ByVal revit As ExternalCommandData, ByRef message As String, _ ByVal elements As ElementSet) As Autodesk.Revit.UI.Result _ Implements IExternalCommand.Execute TaskDialog.Show("Revit", "Hello World") Return Autodesk.Revit.UI.Result.Succeeded End Function End Class |