更换为wpf

Spine/Utils/SpineImplementationAttribute.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Spine.Utils
+{
+    /// <summary>
+    /// Spine 实现类标记
+    /// </summary>
+    /// <param name="major">主版本号</param>
+    /// <param name="minor">次版本号</param>
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
+    public class SpineImplementationAttribute(int major, int minor) : Attribute, IImplementationKeyAttribute<string>
+    {
+        /// <summary>
+        /// 与 <c><see cref="SpineVersion.Tag"/></c> 相同格式的字符串
+        /// </summary>
+        public string ImplementationKey { get; } = $"{major}.{minor}";
+    }
+}