Returns method info of the current type matching the name and the type of parameters - CSharp System.Reflection

CSharp examples for System.Reflection:Type

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Description

Returns method info of the current type matching the name and the type of parameters

Demo Code

// Copyright (c) Costin Morariu. All rights reserved.
using System.Reflection;
using System.Collections.Generic;
using System;//from   w w w  .  j a  va  2  s . co m

public class Main{
        /// <summary>
        /// Returns method info of the current type matching the name and the type of parameters
        /// </summary>
        /// <param name="type">Current type</param>
        /// <param name="name">The name of the method</param>
        /// <param name="parametersTypes">Method parameter types</param>
        /// <returns>Method info or null in case no match</returns>
        public static MethodInfo GetMethod(this Type type, string name, Type[] parametersTypes)
        {
            var methods = type.GetMethods(name);
            foreach (var method in methods)
            {
                var match = true;
                var parameters = method.GetParameters();
                foreach (var param in parameters)
                {
                    var valid = true;
                    if (parametersTypes != null)
                    {
                        foreach (var ptype in parametersTypes)
                        {
                            valid &= (ptype == param.ParameterType);
                        }
                    }
                    match &= valid;
                }
                if (match)
                {
                    return method;
                }
            }

            return null;
        }
        /// <summary>
        /// Returns the public methods exposed by the current type matching specified name
        /// </summary>
        /// <param name="type">Current type</param>
        /// <param name="name">The name of the methods</param>
        /// <returns>Matching method names</returns>
        public static IEnumerable<MethodInfo> GetMethods(this Type type, string name)
        {
            return type.GetTypeInfo().GetDeclaredMethods(name);
        }
}

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