Returns an item from a list if the index exists - CSharp System.Collections.Generic

CSharp examples for System.Collections.Generic:List

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Description

Returns an item from a list if the index exists

Demo Code

/*/*from   w w  w . jav  a2s .  c  om*/
Nuclex Framework
Copyright (C) 2002-2011 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
using System.Text;
using System.Collections.Generic;
using System;

public class Main{
        /// <summary>Returns an item from a list if the index exists</summary>
    /// <typeparam name="ItemType">Type of the item that will be returned</typeparam>
    /// <param name="list">List the item will be taken from</param>
    /// <param name="index">Index from which the item will be taken</param>
    /// <returns>The item if the index existed, otherwise a default item</returns>
    public static ItemType GetIfExists<ItemType>(IList<ItemType> list, int index) {
      if (list.Count > index) {
        return list[index];
      } else {
        return default(ItemType);
      }
    }
}

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