[Transaction(TransactionMode.Manual)] [Regeneration(RegenerationOption.Manual)] public class cmd : IExternalCommand { public Result Execute(ExternalCommandData cmdData, ref string msg, ElementSet elements) { UIDocument uiDoc = cmdData.Application.ActiveUIDocument; Document doc = uiDoc.Document; Selection sel = uiDoc.Selection; Transaction ts = new Transaction(doc, " http://revit.5d6d.com "); try { ts.Start(); // 找到类型的方法，这里找到文字注释类型 Categories cates = doc.Settings.Categories; Category cate = cates.get_Item(BuiltInCategory.OST_TextNotes); // 设置类型可见性 doc.ActiveView.setVisibility(cate, false); ts.Commit(); } catch (Exception ex) { // WinFormTools.MsgBox(ex.ToString()); } return Result.Succeeded; } }