C# String ToCharArray(Int32, Int32)

Description

String ToCharArray(Int32, Int32) copies the characters in a specified substring in this instance to a Unicode character array.

Syntax

String.ToCharArray(Int32, Int32) has the following syntax.

public char[] ToCharArray(
  int startIndex,
  int length
)

Parameters

String.ToCharArray(Int32, Int32) has the following parameters.

• startIndex - The starting position of a substring in this instance.
• length - The length of the substring in this instance.

Returns

String.ToCharArray(Int32, Int32) method returns

Example

The following example converts a substring within a string to an array of characters, then enumerates and displays the elements of the array.

using System;//www .java2  s  .co m

class Sample {
    public static void Main() {
        string str = "this is a test";
        char[] arr;
    
        arr = str.ToCharArray(3, 4);
        foreach (char c in arr)
           Console.WriteLine(c);
    }
}

The code above generates the following result.