在 Class<T> 中实现 IDisposable，支持释放 Value。

Apewer/Class.cs

@@ -4,7 +4,7 @@ namespace Apewer
 {
 
     /// <summary>装箱类。</summary>
-    public sealed class Class<T> // : IComparable, IComparable<T>, IComparable<Class<T>>
+    public sealed class Class<T> : IDisposable // : IComparable, IComparable<T>, IComparable<Class<T>>
     {
 
         /// <summary>值。</summary>
@@ -16,6 +16,13 @@ namespace Apewer
         /// <summary>创建装箱实例，值为指定值。</summary>
         public Class(T value) => Value = value;
 
+        #region IDisposable
+
+        /// <summary>如果 <see cref="Value" /> 实现了 <see cref="IDisposable" />，则释放 <see cref="Value" /> 占用的系统资源。</summary>
+        public void Dispose() => RuntimeUtility.Dispose(Value);
+
+        #endregion
+
         #region Override
 
         /// <summary></summary>

Apewer/RuntimeUtility.cs

@@ -546,11 +546,11 @@ namespace Apewer
 
         /// <summary>执行与释放或重置非托管资源关联的应用程序定义的任务。</summary>
         /// <returns>可能出现的错误信息。</returns>
-        public static void Dispose(object @object, bool flush = false)
+        public static void Dispose(object instance, bool flush = false)
         {
-            if (@object == null) return;
+            if (instance == null) return;
 
-            var stream = @object as Stream;
+            var stream = instance as Stream;
             if (stream != null)
             {
                 if (flush)
@@ -560,7 +560,7 @@ namespace Apewer
                 try { stream.Close(); } catch { }
             }
 
-            var disposable = @object as IDisposable;
+            var disposable = instance as IDisposable;
             if (disposable != null)
             {
                 try