C# - SortedList.CopyTo() Method with Example

In this tutorial, we will learn about the C# SortedList.CopyTo() method with its definition, usage, syntax, and example. By Nidhi Last updated : March 31, 2023

SortedList.CopyTo() Method

The SortedList.CopyTo() method is used to copy SortedList elements to a one-dimensional array, starting at the specified index of the array.

Syntax

void SortedList.CopyTo(Array array, int arrayIndex);

Parameter(s)

array: Used to copy elements of SortedList.
arrayIndex: The index in array at which copying begins

Return Value

It does not return any value.

Exception(s)

System.ArgumentNullException
System.ArgumentOutOfRangeException
System.ArgumentException
System.InvalidCastException

C# Example of SortedList.CopyTo() Method

The source code to copy SortedList elements to a one-dimensional Array object is given below. The given program is compiled and executed successfully.

using System;
using System.Collections;

class SortedListEx {
  //Entry point of Program
  static public void Main() {
    //Creation of SortedList object
    SortedList list = new SortedList();

    //Add elements to SortedList 
    list.Add(101, "India    ");
    list.Add(105, "America  ");
    list.Add(102, "Austrelia");
    list.Add(103, "Africa   ");
    list.Add(104, "Canada   ");

    Console.WriteLine("SortedList Values:");
    foreach(string value in list.Values) {
      Console.WriteLine("\t" + value);
    }

    DictionaryEntry[] arr = new DictionaryEntry[list.Count];

    //Here we copy sorted list elements to specified index of array
    list.CopyTo(arr, 0);

    //Now we print array elements

    Console.WriteLine("Array Values:");
    for (int index = 0; index < arr.Length; index++) {
      Console.WriteLine("\t" + arr[index].Value);
    }
  }
}

Output

SortedList Values:
        India
        Austrelia
        Africa
        Canada
        America
Array Values:
        India
        Austrelia
        Africa
        Canada
        America
Press any key to continue . . .

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