Returns an array containing all the elements of the collection. : ICollection « Collections Data Structure « C# / C Sharp






Returns an array containing all the elements of the collection.

  

#region License and Copyright
/*
 * Dotnet Commons Collections 
 * 
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 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 GNU Lesser General Public License 
 * for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this library; if not, write to the 
 * Free Software Foundation, Inc., 
 * 59 Temple Place, 
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#endregion

using System;
using System.Collections;

namespace Dotnet.Commons.Lang {

    class MainClass{
        /// <summary>
        /// Returns an array containing all the elements of the collection.
        /// </summary>
        /// <returns>The array containing all the elements of the collection.</returns>
        public static System.Object[] ToArray(System.Collections.ICollection c)
        {
            int index = 0;
            System.Object[] objects = new System.Object[c.Count];
            System.Collections.IEnumerator e = c.GetEnumerator();

            while (e.MoveNext())
                objects[index++] = e.Current;

            return objects;
        }

        /// <summary>
        /// Obtains an array containing all the elements of the collection.
        /// </summary>
        /// <param name="objects">The array into which the elements of the collection will be stored.</param>
        /// <returns>The array containing all the elements of the collection.</returns>
        public static System.Object[] ToArray(System.Collections.ICollection c, System.Object[] objects)
        {
            int index = 0;

            System.Type type = objects.GetType().GetElementType();
            System.Object[] objs = (System.Object[])Array.CreateInstance(type, c.Count);

            System.Collections.IEnumerator e = c.GetEnumerator();

            while (e.MoveNext())
                objs[index++] = e.Current;

            //If objects is smaller than c then do not return the new array in the parameter
            if (objects.Length >= c.Count)
                objs.CopyTo(objects, 0);

            return objs;
        }
   }
}

   
    
  








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