添加项目文件。

Szmedi.RvKits/ModelManager/SetModelDisplayCmd.cs

@@ -0,0 +1,144 @@
+using Autodesk.Revit.Attributes;
+using Autodesk.Revit.DB;
+
+using Nice3point.Revit.Toolkit.External;
+
+using System;
+using System.Linq;
+using System.Text;
+
+using System.Windows;
+
+namespace Szmedi.RvKits.ModelManager;
+
+[Transaction(TransactionMode.Manual)]
+
+public class SetModelDisplayCmd : ExternalCommand
+{
+    public override void Execute()
+    {
+        StringBuilder sb = new();
+        using (TransactionGroup tg = new(Document, "清理辅助图元"))
+        {
+            tg.Start();
+            //建模过程中所使用到的“模型线”“参照线”“辅助线”“参照平面”等临时模型，及时删除。
+            using (Transaction trans = new(Document, "隐藏模型线"))
+            {
+                try
+                {
+                    List<ElementId> elementToDelete = new();
+                    ICollection<ElementId> mc = new FilteredElementCollector(Document)
+                        .OfClass(typeof(CurveElement))
+                        .OfCategory(BuiltInCategory.OST_Lines)
+                        .ToElementIds();
+                    IEnumerable<ElementId> referPlane = new FilteredElementCollector(Document)
+                        .OfClass(typeof(ReferencePlane))
+                        .OfCategory(BuiltInCategory.OST_CLines)
+                        .Where(e => e.get_BoundingBox(Document.ActiveView) != null)
+                        .Select(e => e.Id);
+                    elementToDelete.AddRange(mc);
+                    elementToDelete.AddRange(referPlane);
+                    trans.Start();
+                    IEnumerable<FamilyInstance> instances = new FilteredElementCollector(Document)
+                        .OfClass(typeof(FamilyInstance))
+                        .Cast<FamilyInstance>();
+                    List<ElementId> eleIdsToHide = new();
+
+                    foreach (FamilyInstance instance in instances)
+                    {
+                        if (instance.Host != null)
+                        {
+                            List<ElementId> existId = elementToDelete.FindAll(e => e == instance.Host.Id);
+                            if (existId.Any())
+                            {
+                                eleIdsToHide.Add(existId.FirstOrDefault());
+                                elementToDelete.RemoveAll(e => e == instance.Host.Id);
+                            }
+                        }
+                    }
+
+                    if (eleIdsToHide.Any())
+                    {
+                        ActiveView.HideElements(eleIdsToHide);
+                    }
+                    if (elementToDelete.Any())
+                    {
+                        Document.Delete(elementToDelete);
+                    }
+                    trans.Commit();
+                }
+                catch (Exception ex)
+                {
+                    sb.AppendLine($"隐藏元素时，出现{ex.Message}的错误。");
+                    if (trans.GetStatus() == TransactionStatus.Started)
+                    {
+                        trans.Commit();
+                    }
+                }
+            }
+
+            //建模过程中绘制结构构件等有时会无意中勾选产生“分析线”“分析节点”等，注意清理。
+            using (Transaction trans = new(Document, "处理分析模型"))
+            {
+                var views = new FilteredElementCollector(Document).OfClass(typeof(View)).OfType<View>();
+                List<Element> analyticalElements = new();
+
+                IList<Element> structuralColumns = new FilteredElementCollector(Document)
+                    .OfClass(typeof(FamilyInstance))
+                    .OfCategory(BuiltInCategory.OST_StructuralColumns)
+                    .ToElements();
+                IList<Element> structuralFoundations = new FilteredElementCollector(Document)
+                    .OfClass(typeof(FamilyInstance))
+                    .OfCategory(BuiltInCategory.OST_StructuralFoundation)
+                    .ToElements();
+                IList<Element> structuralWall = new FilteredElementCollector(Document).OfClass(typeof(Wall)).ToElements();
+                IList<Element> structuralFraming = new FilteredElementCollector(Document)
+                    .OfClass(typeof(FamilyInstance))
+                    .OfCategory(BuiltInCategory.OST_StructuralFraming)
+                    .ToElements();
+                IList<Element> structuralFloor = new FilteredElementCollector(Document).OfClass(typeof(Floor)).ToElements();
+
+                analyticalElements.AddRange(structuralColumns);
+                analyticalElements.AddRange(structuralFoundations);
+                analyticalElements.AddRange(structuralWall);
+                analyticalElements.AddRange(structuralFraming);
+                analyticalElements.AddRange(structuralFloor);
+                try
+                {
+                    trans.Start();
+                    foreach (View v in views)
+                    {
+                        if (v.CanHaveAnalyticalModel())
+                        {
+                            ActiveView.AreAnalyticalModelCategoriesHidden = true;
+                        }
+                    }
+
+                    foreach (Element element in analyticalElements)
+                    {
+                        Parameter param = element.get_Parameter(BuiltInParameter.STRUCTURAL_ANALYTICAL_MODEL);
+                        if (param is { IsReadOnly: false })
+                        {
+                            param.Set(0);
+                        }
+                    }
+                    trans.Commit();
+                }
+                catch (Exception ex)
+                {
+                    sb.AppendLine($"关闭分析模型显示时，出现{ex.Message}的错误。");
+                    if (trans.GetStatus() == TransactionStatus.Started)
+                    {
+                        trans.Commit();
+                    }
+                }
+            }
+            tg.Assimilate();
+        }
+
+        if (sb.Length > 0)
+        {
+            MessageBox.Show($"{sb}", "处理结果", MessageBoxButton.OK, MessageBoxImage.Error);
+        }
+    }
+}