Returns a portion of the list whose keys are greater that the lowerLimit parameter less than the upperLimit parameter. - CSharp System.Collections.Generic

CSharp examples for System.Collections.Generic:List

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Description

Returns a portion of the list whose keys are greater that the lowerLimit parameter less than the upperLimit parameter.

Demo Code


using System.IO;/* w w w.  ja  v  a 2s .c  o  m*/
using System;

public class Main{
        /// <summary>
        /// Returns a portion of the list whose keys are greater that the lowerLimit parameter less than the upperLimit parameter.
        /// </summary>
        /// <param name="list">The list where the portion will be extracted.</param>
        /// <param name="lowerLimit">The start element of the portion to extract.</param>
        /// <param name="upperLimit">The end element of the portion to extract.</param>
        /// <returns>The portion of the collection.</returns>
        public static System.Collections.SortedList SubMap(System.Collections.SortedList list, Object lowerLimit, Object upperLimit)
        {
            System.Collections.Comparer comparer = System.Collections.Comparer.Default;
            System.Collections.SortedList newList = new System.Collections.SortedList();

            if (list != null)
            {
                if ((list.Count > 0) && (!(lowerLimit.Equals(upperLimit))))
                {
                    int index = 0;
                    while (comparer.Compare(list.GetKey(index), lowerLimit) < 0)
                        index++;

                    for (; index < list.Count; index++)
                    {
                        if (comparer.Compare(list.GetKey(index), upperLimit) >= 0)
                            break;

                        newList.Add(list.GetKey(index), list[list.GetKey(index)]);
                    }
                }
            }

            return newList;
        }
}

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