Imports System
Imports Autodesk.AutoCAD.Interop
Imports Autodesk.AutoCAD.Interop.Common
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim AcadApp As Autodesk.AutoCAD.Interop.AcadApplication
Dim AcadDoc As Autodesk.AutoCAD.Interop.AcadDocument