整理代码

ShrlAlgo.Toolkit.Revit/Helpers/EnableInFamilyDocument.cs

@@ -0,0 +1,10 @@
+namespace ShrlAlgo.Toolkit.Revit.Helpers;
+
+/// <summary>
+///     族文档可用
+/// </summary>
+internal class EnableInFamilyDocument : IExternalCommandAvailability
+{
+    public bool IsCommandAvailable(UIApplication applicationData, CategorySet selectedCategories) =>
+        applicationData.ActiveUIDocument?.Document.IsFamilyDocument == true;
+}