Dim instance As TabBrowser = New TabBrowser()
Dim value As String

instance.TabText = value
value = instance.TabText

'TabBrowserクラス TabTextプロパティ

Imports System.Windows.Forms

Public Class AddIn

	Private tabb As TabBrowser

	Public Sub New()
		tabb = New TabBrowser()
		tabb.TabText = "あいうえお"
	End Sub

	Public Sub AddIn_Start()
		MessageBox.Show(tabb.TabText)
	End Sub

End Class