Add AbpTypeExtensions.IsAssignableTo.

framework/src/Volo.Abp.Core/System/AbpTypeExtensions.cs

@@ -6,5 +6,30 @@
         {
             return type.FullName + ", " + type.Assembly.GetName().Name;
         }
+
+        /// <summary>
+        /// Determines whether an instance of this type can be assigned to
+        /// an instance of the <typeparamref name="TTarget"></typeparamref>.
+        ///
+        /// Internally uses <see cref="Type.IsAssignableFrom"/>.
+        /// </summary>
+        /// <typeparam name="TTarget">Target type</typeparam> (as reverse).
+        public static bool IsAssignableTo<TTarget>(this Type type)
+        {
+            return type.IsAssignableTo(typeof(TTarget));
+        }
+
+        /// <summary>
+        /// Determines whether an instance of this type can be assigned to
+        /// an instance of the <paramref name="targetType"></paramref>.
+        ///
+        /// Internally uses <see cref="Type.IsAssignableFrom"/> (as reverse).
+        /// </summary>
+        /// <param name="type">this type</param>
+        /// <param name="targetType">Target type</param>
+        public static bool IsAssignableTo(this Type type, Type targetType)
+        {
+            return targetType.IsAssignableFrom(type);
+        }
     }
 }