Lambda Expression : Lambda « LINQ « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. LINQ
3. Lambda

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;


public class MainClass
{
    public delegate Boolean CheckString(String Str);
    public static void Main(string[] args)
    {
        String[] TestArray = { "One", "Two", "Three", "Four", "Five" };
        String[] OutputArray = FilterStrings(TestArray, TestStr => TestStr.Length > 3);
        foreach (String ThisString in OutputArray)
            Console.WriteLine(ThisString);

    }

    public static String[] FilterStrings(String[] Input, CheckString Filter)
    {
        ArrayList ResultList = new ArrayList();
        foreach (String ThisString in Input)
        {
            if (Filter(ThisString))
                ResultList.Add(ThisString);
        }
        return (String[])ResultList.ToArray(typeof(String));
    }
}