Dim instance As TabBrowser = New TabBrowser()
Dim num As Integer		'0 から 20 の範囲
Dim value As String

instance.StrageString(num) = value
value = instance.StrageString(num)

'TabBrowserクラス StrageStringプロパティ

Imports System.Windows.Forms

Public Class AddIn

    Private tabb As TabBrowser

    Public Sub New()
        tabb = New TabBrowser()
		tabb.StrageString(5) = "あいう"
    End Sub

    Public Sub AddIn_Start()
        MessageBox.Show(tabb.StrageString(5))
		tabb.StrageString(5) &= "えお"
        MessageBox.Show(tabb.StrageString(5))
    End Sub

End Class