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How to VB.NET String.CopyTo()

VB.NET String CopyTo method Copies a specified number of characters from a specified position in this instance to a specified position in an array of characters.

System.String.CopyTo(ByVal sourceIndex As Integer, ByVal destination() As Char, ByVal destinationIndex As Integer, ByVal count As Integer)

Parameters:

Integer sourceIndex : The starting position of the source String

Char destination() : The character Array

Integer destinationIndex : Array element in the destination

Integer count : The number of characters to destination

Exceptions:

System.ArgumentNullException : If the destination is null

System.ArgumentOutOfRangeException :

Source Index, DestinationIndes or Count is a -ve value

Count is greater than the length of the substring from startIndex to the end of this instance

count is greater than the length of the subarray from destinationIndex to the end of destination




Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click
        Dim str1 As String = "CopyTo() sample"
        Dim chrs(5) As Char
        str1.CopyTo(0, chrs, 0, 6)
        MsgBox(chrs(0) + chrs(1) + chrs(2) + chrs(3) + chrs(4) + chrs(5))
    End Sub
End Class

When you run this Source code you will get CopyTo in MessageBox


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