本文演示如何获取Revit中的单位信息。

using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;

namespace RevitAddin4
{
    [TransactionAttribute(TransactionMode.Manual)]
    public class RevitAddin : IExternalCommand
    {
        public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
        {
            UIDocument uiDoc = commandData.Application.ActiveUIDocument;
            Document doc = uiDoc.Document;
            TaskDialog.Show("单位信息",doc.DisplayUnitSystem.ToString());
            return Result.Succeeded;
        }
    }
}

    执行结果:

Revit开发 - 单位信息(DisplayUnitSystem)

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