更新整理

WPFluent.Gallery/ControlsLookup/ControlPages.cs

@@ -0,0 +1,37 @@
+using System.Reflection;
+
+namespace WPFluent.Gallery.ControlsLookup;
+
+internal static class ControlPages
+{
+    private const string PageSuffix = "Page";
+
+    internal record GalleryPage(string Name, string Description, SymbolRegular Icon, Type PageType);
+
+    public static IEnumerable<GalleryPage> All()
+    {
+        foreach (
+            Type? type in Assembly.GetExecutingAssembly().GetTypes()
+                .Where(t => t.IsDefined(typeof(GalleryPageAttribute)))
+        )
+        {
+            GalleryPageAttribute? galleryPageAttribute = type.GetCustomAttributes<GalleryPageAttribute>()
+                .FirstOrDefault();
+
+            if (galleryPageAttribute is not null)
+            {
+                yield return new GalleryPage(
+                    type.Name[..type.Name.LastIndexOf(PageSuffix)],
+                    galleryPageAttribute.Description,
+                    galleryPageAttribute.Icon,
+                    type
+                );
+            }
+        }
+    }
+
+    public static IEnumerable<GalleryPage> FromNamespace(string namespaceName)
+    {
+        return All().Where(t => t.PageType?.Namespace?.StartsWith(namespaceName) ?? false);
+    }
+}