Insert Range into IList - CSharp System.Collections.Generic

CSharp examples for System.Collections.Generic:IList

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Description

Insert Range into IList

Demo Code

/* ****************************************************************************
 *
 * Copyright (c) Microsoft Corporation. 
 *
 * This source code is subject to terms and conditions of the Microsoft Public License. A 
 * copy of the license can be found in the License.html file at the root of this distribution. If 
 * you cannot locate the  Microsoft Public License, please send an email to 
 * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 
 * by the terms of the Microsoft Public License.
 *
 * You must not remove this notice, or any other, from this software.
 *
 *
 * ***************************************************************************/
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.Collections;
using System;//w  w  w . j a  v a2 s  .co m

public class Main{
        public static void InsertRange<T>(IList<T> collection, int index, IEnumerable<T> items) {
            Contract.RequiresNotNull(collection, "collection");
            Contract.RequiresNotNull(items, "items");
            Contract.RequiresArrayInsertIndex(collection, index, "index");

            List<T> list = collection as List<T>;
            if (list != null) {
                list.InsertRange(index, items);
            } else {
                int i = index;
                foreach (T obj in items) {
                    collection.Insert(i++, obj);
                }
            }
        }
}

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