Tests if the specified object is a collection and converts it to its string representation.

  

#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 {

    /// <summary>
    /// This class provides static utility methods for collections related
    /// functionality not found in .NET collection-related interfaces.
    /// </summary>
    public class CollectionsUtils {


    private CollectionsUtils () {}



        /// <summary>
        /// Tests if the specified object is a collection and converts it to its string representation.
        /// </summary>
        /// <param name="obj">The object to convert to string</param>
        /// <returns>A string representation of the specified object.</returns>
        public static System.String CollectionToString(System.Object obj)
        {
            System.String result = "";

            if (obj != null)
            {
                if (obj is System.Collections.ICollection)
                    result = CollectionToString((System.Collections.ICollection)obj);
                else
                    result = obj.ToString();
            }
            else
                result = "null";

            return result;
        }
    }
}

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3.	Adds all of the elements of the "c" collection to the "target" collection.
4.	Removes all the elements from the collection.
5.	Determines whether the collection contains the specified element.
6.	Removes the specified element from the collection.
7.	Retains the elements in the target collection that are contained in the specified collection
8.	Returns an array containing all the elements of the collection.
9.	Converts an ICollection instance to an ArrayList instance.
10.	Determines whether the collection contains the specified element
11.	Adds the specified element to the specified collection
12.	Determines whether the collection contains all the elements in the specified collection.
13.	Removes all the elements from the target collection that are contained in the source collection.
14.	Converts an System.Collections.ICollection instance to an System.Collections.ArrayList instance.
15.	Copies the elements of the ICollection to a new array of the specified element type.
16.	Determine whether a given collection only contains a single unique object
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20.	Convert ICollection to T[]
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22.	ConvertAll ICollection to TOut[] with Converter
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Tests if the specified object is a collection and converts it to its string representation. : ICollection « Collections Data Structure « C# / C Sharp

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