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C# String CopyTo() Method
The CopyTo() method in C# is used to copy a specified number of characters from a specified position in this instance to a specified position in an array of Unicode characters.
Syntax
public void CopyTo (int srcIndex, char[] dest, int desIndex, int count);
Above,
- srcIndex − Index of the first character in this instance to copy.
- dest − Array of Unicode characters to which characters in this instance are copied.
- destIndex − The index in destination at which the copy operation begins.
- Count − Number of characters in this instance to copy to destination.
Example
Let us now see an example -
using System;
public class Demo {
public static void Main() {
string str = "JohnAndJacob";
Console.WriteLine("String = "+str);
char[] destArr = new char[20];
str.CopyTo(1, destArr, 0, 4);
Console.Write(destArr);
}
}Output
String = JohnAndJacob ohnA
Example
Let us now see another example -
using System;
public class Demo {
public static void Main() {
string str = "JohnAndJacob";
Console.WriteLine("String = "+str);
char[] destArr = new char[20];
destArr[0] = 'A';
destArr[1] = 'B';
destArr[2] = 'C';
destArr[3] = 'D';
Console.WriteLine(destArr);
str.CopyTo(2, destArr, 3, 4);
Console.Write(destArr);
}
}Output
This will produce the following output -
String = JohnAndJacob ABCD ABChnAn
Updated on: 30-Apr-2020
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