Replace items in ICollection - CSharp System.Collections

CSharp examples for System.Collections:ICollection

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Description

Replace items in ICollection

Demo Code


using System.Collections.Specialized;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.Linq;
using System;//from  ww w . j  a va2  s  . c  om

public class Main{
        public static void Replace<T>(this ICollection<T> obj, IEnumerable<T> newItems)
        {
            if (obj == null)
                throw new ArgumentNullException("obj");

            obj.Clear();
            obj.AddRange(newItems);
        }
        /// <summary>
        /// Add a range of items to a collection.
        /// </summary>
        /// <typeparam name="T">Type of objects within the collection.</typeparam>
        /// <param name="collection">The collection to add items to.</param>
        /// <param name="items">The items to add to the collection.</param>
        /// <returns>The collection.</returns>
        /// <exception cref="System.ArgumentNullException">An <see cref="System.ArgumentNullException"/> is thrown if <paramref name="collection"/> or <paramref name="items"/> is <see langword="null"/>.</exception>
          public static ICollection<T> AddRange<T>(this ICollection<T> collection, IEnumerable<T> items)
        {
            if (collection == null) throw new System.ArgumentNullException("collection");
            if (items == null) throw new System.ArgumentNullException("items");

            foreach (var each in items)
            {
                collection.Add(each);
            }

            return collection;
        }
}

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