添加项目文件。

Szmedi.RvKits/MEPTools/InsulationItem.cs

@@ -0,0 +1,48 @@
+using System.ComponentModel.DataAnnotations;
+
+using Autodesk.Revit.DB.Mechanical;
+using Autodesk.Revit.DB.Plumbing;
+
+namespace Szmedi.RvKits.MEPTools;
+public partial class InsulationItem : ObservableValidator
+{
+    [GreaterThan(nameof(MinDiameter))]
+    [Range(15, 1000)]
+    public double MaxDiameter
+    {
+        get => maxDiameter;
+        set
+        {
+            SetProperty(ref maxDiameter, value, true);
+        }
+    }
+
+    private double maxDiameter;
+
+    [Range(0, 1000)]
+
+    public double MinDiameter
+    {
+        get => minDiameter;
+        set
+        {
+            SetProperty(ref minDiameter, value, true);
+            ValidateProperty(MaxDiameter, nameof(MaxDiameter));
+        }
+    }
+    private double minDiameter;
+
+    [Required]
+    [Range(10, 1000)]
+    public double Thickness
+    {
+        get => thickness;
+        set => SetProperty(ref thickness, value, true);
+    }
+    private double thickness;
+
+    [ObservableProperty]
+    private PipeInsulationType pipeInsulationType;
+    [ObservableProperty]
+    private DuctInsulationType ductInsulationType;
+}