How to VB.NET String.Copy()

The Copy method in VB.NET's String Class serves the purpose of creating a new String object with the same content as the original string. It provides a convenient means to duplicate a string, ensuring that any modifications made to the copied string do not affect the original string.

Copy method

With the Copy method, you can obtain a new String object that contains an exact replica of the original string. This enables you to perform operations on the copied string independently, without altering the content or behavior of the original string.

System.String.Copy(ByVal str As String) As String
  1. String str : The argument String for Copy method.
  1. String : Returns a new String as the same content of argument String.
System.ArgumentNullException :If the argument is null.

This String.Copy() functionality proves useful in scenarios where you need to work with a separate instance of a string while preserving the integrity of the original data. It allows for the safe manipulation and modification of the copied string, while still retaining the original string in its original state.

The Copy method enhances the flexibility and control over string handling in VB.NET by providing a straightforward approach to creating duplicate string instances. This feature ensures data consistency and facilitates safer string operations, particularly in situations where you need to work with multiple versions of the same string.

Full Source VB.NET
Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button1.Click Dim str1 As String Dim str2 As String str1 = "VB.NET Copy() test" str2 = String.Copy(str1) MsgBox(str2) End Sub End Class


The Copy method in the VB.NET String Class enables developers to create a new String object that replicates the content of the original string. This functionality promotes safer string manipulation, allowing for independent modifications without impacting the original data. It provides a valuable tool for maintaining data integrity and facilitating versatile string operations in VB.NET applications.