添加项目文件。

Szmedi.RvKits/Display/ResetColorOverrideCmd.cs

@@ -0,0 +1,37 @@
+using Autodesk.Revit.Attributes;
+using Autodesk.Revit.DB;
+
+using Nice3point.Revit.Toolkit.External;
+
+namespace Szmedi.RvKits.DisplayTools
+{
+    /// <summary>
+    /// 恢复元素替换的外观
+    /// </summary>
+    [Transaction(TransactionMode.Manual)]
+
+    public class ResetColorOverrideCmd : ExternalCommand
+    {
+        public override void Execute()
+        {
+            try
+            {
+                var elems = UiDocument.Selection.PickElementsByRectangle("请框选元素");
+
+                Document.Invoke(
+                    ts =>
+                    {
+                        OverrideGraphicSettings overrideGraphicSettings = new();
+                        foreach (var elem in elems)
+                        {
+                            Document.ActiveView.SetElementOverrides(elem.Id, overrideGraphicSettings);
+                            Document.Regenerate();
+                        }
+                    },
+                    "恢复元素外观"
+                );
+            }
+            catch (Autodesk.Revit.Exceptions.OperationCanceledException) { }
+        }
+    }
+}