Insert element in the middle of an Array : Array « Collections « VB.Net Tutorial

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VB.Net Tutorial » Collections » Array 
8.1.9.Insert element in the middle of an Array
Public Class Tester
    Public Shared Sub Main
        Dim result As New System.Text.StringBuilder
        Dim arrayInsert() As String = {"O""A""G""B""B"}

        ' ----- Show the contents before insertion.
        result.AppendLine("Before insertion:")
        For Each fruit As String In arrayInsert
            result.AppendLine(fruit)
        Next fruit

        ' ----- Insert more fruit.
        InsertArrayElement(Of String)(arrayInsert, 2"Lemons")

        ' ----- Show the contents after insertion.
        result.AppendLine()
        result.AppendLine("After insertion:")
        For Each fruit As String In arrayInsert
            result.AppendLine(fruit)
        Next fruit

        Console.WriteLine(result.ToString())

    End Sub
    Public Shared Sub InsertArrayElement(Of T)( _
          ByRef sourceArray() As T, _
          ByVal insertIndex As Integer, _
          ByVal newValue As T)

        Dim newPosition As Integer
        Dim counter As Integer

        newPosition = insertIndex
        If (newPosition < 0Then newPosition = 0
        If (newPosition > sourceArray.LengthThen _
           newPosition = sourceArray.Length

        Array.Resize(sourceArray, sourceArray.Length + 1)

        For counter = sourceArray.Length - To newPosition Step -1
            sourceArray(counter + 1= sourceArray(counter)
        Next counter

        sourceArray(newPosition= newValue
    End Sub

End Class
Before insertion:
O
A
G
B
B

After insertion:
O
A
Lemons
G
B
B
8.1.Array
8.1.1.Array declaration
8.1.2.Declaring and allocating an array
8.1.3.Initializing arrays
8.1.4.Display the contents of a single-dimension array
8.1.5.Assing array element value by using index
8.1.6.Computing sum of elements in array.
8.1.7.Initialize Array element during declaration
8.1.8.Array Resize
8.1.9.Insert element in the middle of an Array
8.1.10.One dimesional array performance
8.1.11.Two dimesional array performance
8.1.12.Array Clone
8.1.13.Array length: negative
8.1.14.Reorder the elements of an array in a random order
8.1.15.Swap elements in an array
8.1.16.Use For loop to initialize Integer array
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