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Categories / C# / Collections Data Structure

 

OrderedDictionary Class Represents a collection of keyvalue pairs that are accessible by the key or index

using System; using System.Collections; using System.Collections.Specialized; public class OrderedDictionarySample {     public static void Main()     {         OrderedDictionary myOrderedDictionary = new OrderedDictionary();         myOrderedDictionary.Add("testKey1", "testValue1");         myOrderedDictionary.Add("testKey2", "testValue2");         myOrderedDictionary.Add("keyToDelete", "valueToDelete");         myOrderedDictionary.Add("testKey3", "testValue3");         ICollection keyCollection = myOrderedDictionary.Keys;         ICollection valueCollection = myOrderedDictionary.Values;         DisplayContents(keyCollection, valueCollection, myOrderedDictionary.Count);     }     public static void DisplayContents(ICollection keyCollection, ICollection valueCollection, int dictionarySize)     {         String[] myKeys = new String[dictionarySize];         String[] myValues = new String[dictionarySize];         keyCollection.CopyTo(myKeys, 0);         valueCollection.CopyTo(myValues, 0);         for (int i = 0; i < dictionarySize; i++)         {             Console.WriteLine("   {0,-5} {1,-25} {2}",i, myKeys[i], myValues[i]);         }     } }