From 06d7074622e0b4ad342482a0b1615364263d8123 Mon Sep 17 00:00:00 2001
From: Hadi Khazaee Asl <hadi_khazaee_asl@yahoo.com>
Date: Fri, 29 May 2026 19:33:29 +0330
Subject: [PATCH] add some new Extensions method for Class Manipulations using
 Reflection ...

---
 Extensions/ModelExtensions.cs | 232 +++++++++++++++++++++++++++++++++-
 1 file changed, 231 insertions(+), 1 deletion(-)

diff --git a/Extensions/ModelExtensions.cs b/Extensions/ModelExtensions.cs
index 56b34f8..aa3a981 100644
--- a/Extensions/ModelExtensions.cs
+++ b/Extensions/ModelExtensions.cs
@@ -3,11 +3,22 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Linq.Expressions;
+using System.Reflection;
 
 namespace xCommons.Extensions
 {
     public static partial class ModelExtensions
     {
+        /// <summary>
+        /// Retrieve a Binding Flag for Retrieve all Instance Members including
+        /// Priate and Public ...
+        /// </summary>
+        /// <returns></returns>
+        public static BindingFlags GetDefaultBindingFlag()
+        {
+            return BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
+        }
+
         /// <summary>
         /// Update an Instance of a Typed Object with Data Provided by another Instance of Typed Object
         /// </summary>
@@ -122,6 +133,144 @@ namespace xCommons.Extensions
             return result;
         }
 
+        /// <summary>
+        /// Check a Class is Contains a Filed or not ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="filed"></param>
+        /// <returns></returns>
+        public static bool HasField<T>(
+            this T source,
+            string filed
+        )
+        where T : class
+        {
+            //
+            var result = source
+                .GetType()
+                .GetFields()
+                .Any(fld => fld.Name == filed);
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Check a Class is Contains a Method or not ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="method"></param>
+        /// <returns></returns>
+        public static bool HasMethod<T>(
+            this T source,
+            string method
+        )
+        where T : class
+        {
+            //
+            var result = source
+                .GetType()
+                .GetMethods()
+                .Any(mthd => mthd.Name == method);
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Retrieve a Class Properties Names ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="bindingAttr"></param>
+        /// <returns></returns>
+        public static string[] GetPropertiesNames<T>(
+            this T source,
+            BindingFlags bindingAttr = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic
+        )
+        {
+            //
+            var result = source
+                .GetType()
+                .GetProperties(bindingAttr)
+                .Select(p => p.Name)
+                .ToArray();
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Retrieve a Class Fields Names ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="bindingAttr"></param>
+        /// <returns></returns>
+        public static string[] GetFiledsNames<T>(
+            this T source,
+            BindingFlags bindingAttr = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic
+        )
+        {
+            //
+            var result = source
+                .GetType()
+                .GetFields(bindingAttr)
+                .Select(p => p.Name)
+                .ToArray();
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Retrieve a Class Methods Names ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="bindingAttr"></param>
+        /// <returns></returns>
+        public static string[] GetMethodsNames<T>(
+            this T source,
+            BindingFlags bindingAttr = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic
+        )
+        {
+            //
+            var result = source
+                .GetType()
+                .GetMethods(bindingAttr)
+                .Select(p => p.Name)
+                .ToArray();
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Retrieve a Class Members Names ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="bindingAttr"></param>
+        /// <returns></returns>
+        public static string[] GetMembersNames<T>(
+            this T source,
+            BindingFlags bindingAttr = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic
+        )
+        {
+            //
+            var result = source
+                .GetType()
+                .GetMembers(bindingAttr)
+                .Select(p => p.Name)
+                .ToArray();
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Get a Class Property Value using Generic Concept ...
         /// </summary>
@@ -162,7 +311,41 @@ namespace xCommons.Extensions
         }
 
         /// <summary>
-        /// Setting Property Value of T ...
+        /// Get a Class Field Value using Generic Concept ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <typeparam name="TField"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="filed"></param>
+        /// <returns></returns>
+        public static TField GetField<T, TField>(
+            this T source,
+            string filed
+        )
+        where T : class
+        {
+            //
+            TField result = default;
+
+            //
+            if (source.HasField(filed))
+            {
+                //
+                var fld = source
+                    .GetType()
+                    .GetField(filed);
+
+                //
+                var fieldVal = fld.GetValue(source);
+                result = (TField)fieldVal;
+            }
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Set a Class Property Value using Generic Concept ...
         /// </summary>
         /// <typeparam name="T"></typeparam>
         /// <typeparam name="TProp"></typeparam>
@@ -208,6 +391,53 @@ namespace xCommons.Extensions
             return result;
         }
 
+        /// <summary>
+        /// Set a Class Field Value using Generic Concept ...
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <typeparam name="TField"></typeparam>
+        /// <param name="source"></param>
+        /// <param name="filed"></param>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static bool SetField<T, TField>(
+            this T source,
+            string filed,
+            TField value
+        )
+        where T : class
+        {
+            //
+            // Check T Has Field ...
+            var result = source.HasField(filed);
+            if (!result)
+            {
+                return result;
+            }
+
+            //
+            // Access Field ...
+            var fld = source
+                .GetType()
+                .GetField(filed);
+
+            //
+            // Set Value ...
+            try
+            {
+                //
+                result = true;
+                fld.SetValue(source, value);
+            }
+            catch
+            {
+                result = false;
+            }
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Check two Instance of Typed Object Values are Same or not
         /// </summary>