Adds all of the elements of the "c" collection to the "target" collection. : ICollection « Collections Data Structure « C# / C Sharp

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C# / C Sharp » Collections Data Structure » ICollectionScreenshots 
Adds all of the elements of the "c" collection to the "target" 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, 
 * Suite 330, 
 * Boston, 
 * MA 02111-1307 
 * USA 
 
 */
#endregion

using System;
using System.Collections;

namespace Dotnet.Commons.Lang {

    class MainClass{
        /// <summary>
        /// Adds all of the elements of the "c" collection to the "target" collection.
        /// </summary>
        /// <param name="target">Collection where the new elements will be added.</param>
        /// <param name="c">Collection whose elements will be added.</param>
        /// <returns>Returns true if at least one element was added, false otherwise.</returns>
        public static bool AddAll(System.Collections.ICollection target, System.Collections.ICollection c)
        {
            System.Collections.IEnumerator e = new System.Collections.ArrayList(c).GetEnumerator();
            bool added = false;

            //Reflection. Invoke "addAll" method for proprietary classes
            System.Reflection.MethodInfo method;
            try
            {
                method = target.GetType().GetMethod("addAll");

                if (method != null)
                    added = (bool)method.Invoke(target, new System.Object[] { });
                else
                {
                    method = target.GetType().GetMethod("Add");
                    while (e.MoveNext() == true)
                    {
                        bool tempBAdded = (int)method.Invoke(target, new System.Object[] { e.Current }) >= 0;
                        added = added ? added : tempBAdded;
                    }
                }
            }
            catch (System.Exception ex)
            {
                throw ex;
            }
            return added;
        }
   }
}

   
  
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