Passing arrays and individual array elements to procedures : ByVal « Language Basics « VB.Net

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Passing arrays and individual array elements to procedures
Passing arrays and individual array elements to procedures

Imports System

Public Class MainClass

    Shared Sub Main(ByVal args As String())
      Dim array1 As Integer() = New Integer() {12345}
      Dim As Integer

      Console.WriteLine"The values of the original array are:" & vbCrLf )

      ' display original elements of array1
      For i = To array1.GetUpperBound(0)
         Console.WriteLine(  "  " & array1(i) )
      Next

      ModifyArray(array1' array is passed by reference

      Console.WriteLine(  vbCrLf & _
         "The values of the modified array are:" & vbCrLf )

      ' display modified elements of array1
      For i = To array1.GetUpperBound(0)
         Console.WriteLine("  " & array1(i) )
      Next

    End Sub

   ' procedure modifies array it receives (note ByVal)
   Shared Sub ModifyArray(ByVal arrayParameter As Integer())
      Dim As Integer

      For j = To arrayParameter.GetUpperBound(0)
         arrayParameter(j*= 2
      Next

   End Sub ' ModifyArray


End Class

           
       
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