Binaryworld - Determine the size of a structure ... [ VB.net -> Language ]

Unlike previous Visual Basic versions, under VB.NET you can't use the Len function to calculate the length of a Structure or a class. However, it is easy to get this information with the SizeOf static method of the System.Runtime.InteropServices.Mashal class, as in:

Click here to copy the following block

Imports System.Runtime.InteropServices

Module Module1
  ' Notice that this structure contains 2 padding bytes between
  ' the first two elements
  Structure MyStruct
    Public el1 As Short
    Public el2 As Integer
    Public el3 As String
  End Structure

  Sub Main(ByVal args() As String)
    Dim struct As mystruct
    Console.WriteLine(Marshal.SizeOf(struct)) ' => 12
  End Sub
End Module