更新

ShrlAlgoToolkit.RevitAddins/RvCommon/MoveElementByRelationshipCmd.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Autodesk.Revit.Attributes;
+using Autodesk.Revit.DB;
+
+using Nice3point.Revit.Toolkit.External;
+
+namespace ShrlAlgoToolkit.RevitAddins.RvCommon;
+/// <summary>
+/// 相对移动
+/// </summary>
+[Transaction(TransactionMode.Manual)]
+[Regeneration(RegenerationOption.Manual)]
+internal class MoveElementByRelationshipCmd : ExternalCommand
+{
+    public override void Execute()
+    {
+        var ids = UiDocument.Selection.GetElementIds();
+        foreach (var id in ids)
+        {
+            var elem = Document.GetElement(id) as FamilyInstance;
+            ;
+            ElementTransformUtils.MoveElement(Document, id, elem.FacingOrientation * 121 / 304.8);
+        }
+        return;
+    }
+}