last ...

2026-05-08 03:43:45 +03:30
parent 305bad376b
commit 69d2625828
1 changed files with 78 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using xCommons.Extensions;
+
+namespace xCommons.Helpers
+{
+    public static class XGenericHelper
+    {
+        /// <summary>
+        /// Invoke a Generic Method of Specified Type ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="methodName"></param>
+        /// <param name="runtimeType"></param>
+        /// <param name="bindingAttr"></param>
+        /// <param name="args"></param>
+        public static void InvokeGenericMethod(
+            this Type source,
+            string methodName,
+            Type runtimeType,
+            BindingFlags bindingAttr = BindingFlags.Public | BindingFlags.Static | BindingFlags.NonPublic,
+            params object[] args
+        )
+        {
+            //
+            var overLoads = source.GetGenericMethodInfo(
+                methodName: methodName,
+                bindingAttr: bindingAttr
+            );
+            if (!overLoads.HasChild())
+            {
+                return;
+            }
+
+            //
+            var method = overLoads.ElementAt(0);
+            MethodInfo genericMethod = method.MakeGenericMethod(runtimeType);
+
+            //
+            var gParams = new object[]
+            {
+                source
+            }
+            .Concat(args)
+            .ToArray();
+
+            //
+            genericMethod.Invoke(null, gParams);
+        }
+
+        /// <summary>
+        /// Extract a Generic Method's Overloads ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="methodName"></param>
+        /// <param name="bindingAttr"></param>
+        /// <returns></returns>
+        public static List<MethodInfo> GetGenericMethodInfo(
+            this Type source,
+            string methodName,
+            BindingFlags bindingAttr = BindingFlags.Public | BindingFlags.Static | BindingFlags.NonPublic
+        )
+        {
+            //
+            var result = source
+                .GetMethods(bindingAttr)
+                .Where(mi =>
+                    mi.Name == methodName &&
+                    mi.IsGenericMethodDefinition)
+                .ToList();
+
+            //
+            return result;
+        }
+    }
+}