C# | Get an ICollection containing the values in ListDictionary

ListDictionary.Values property is used to get an ICollection containing the values in the ListDictionary.

Syntax:

public System.Collections.ICollection Values { get; }

Return Value : It returns an ICollection containing the values in the ListDictionary.

Below are the programs to illustrate the use of ListDictionary.Values property:

Example 1:

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// C# code to get an ICollection
// containing the values in the ListDictionary
using System;
using System.Collections;
using System.Collections.Specialized;
  
class GFG {
  
    // Driver code
    public static void Main()
    {
  
        // Creating a ListDictionary named myDict
        ListDictionary myDict = new ListDictionary();
  
        myDict.Add("Australia", "Canberra");
        myDict.Add("Belgium", "Brussels");
        myDict.Add("Netherlands", "Amsterdam");
        myDict.Add("China", "Beijing");
        myDict.Add("Russia", "Moscow");
        myDict.Add("India", "New Delhi");
  
        // Get an ICollection containing
        // the values in the ListDictionary
        ICollection ic = myDict.Values;
  
        // Displaying the values in ICollection ic
        foreach(String str in ic)
        {
            Console.WriteLine(str);
        }
    }
}

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Output:

Canberra
Brussels
Amsterdam
Beijing
Moscow
New Delhi

Example 2 :

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// C# code to get an ICollection
// containing the values in the ListDictionary
using System;
using System.Collections;
using System.Collections.Specialized;
  
class GFG {
  
    // Driver code
    public static void Main()
    {
  
        // Creating a ListDictionary named myDict
        ListDictionary myDict = new ListDictionary();
  
        myDict.Add("I", "first");
        myDict.Add("II", "second");
        myDict.Add("III", "third");
        myDict.Add("IV", "fourth");
        myDict.Add("V", "fifth");
  
        // Get an ICollection containing
        // the values in the ListDictionary
        ICollection ic = myDict.Values;
  
        // Displaying the values in ICollection ic
        foreach(String str in ic)
        {
            Console.WriteLine(str);
        }
    }
}

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Output:

first
second
third
fourth
fifth

Note:

  • The order of the values in the ICollection is unspecified, but it is the same order as the associated keys in the ICollection returned by the Keys method.
  • The returned ICollection is not a static copy. Instead, the ICollection refers back to the values in the original ListDictionary. Therefore, changes to the ListDictionary continue to be reflected in the ICollection.
  • Retrieving the value of this property is an O(1) operation.

Reference:



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