And similar code with AxDbDocument:
Imports Autodesk.AutoCAD.Interop
Imports Autodesk.AutoCAD.Interop.Common
Public Class Form1
Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
Friend WithEvents Button1 As System.Windows.Forms.Button
_
Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button()
Me.SuspendLayout()
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(112, 112)
Me.Button1.Name = "Button1"
Me.Button1.TabIndex = 0
Me.Button1.Text = "Button1"
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1})
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
UseObjectDBX()
End Sub
Private Sub UseObjectDBX()
On Error Resume Next
Dim AcadApp As AcadApplication
Dim dbxDoc As AxDbDocument
' Check for AutoCAD
AcadApp = GetObject(, "AutoCAD.Application.16.2")
If Err.Number <> 0 Then
Err.Clear()
AcadApp = CreateObject("AutoCAD.Application.16.2")
End If
' AvDbDocument
dbxDoc = AcadApp.GetInterfaceObject("ObjectDBX.AxDbDocument.16")
' Opening Temp1.dwg
Dim dwgName As String = "D:\Temp\Temp1.dwg"
dbxDoc.Open(dwgName)
' Blocks collection
Dim str As String = ""
Dim blks As AcadBlocks
blks = dbxDoc.Blocks
MsgBox(CStr(blks.Count), MsgBoxStyle.Information, _
"Number of blocks")
Dim bk As AcadBlock
For Each bk In blks
str += bk.Name & Chr(13)
Next
MsgBox(str, MsgBoxStyle.Information, "Blocks")
' Model Space
Dim msp As AcadModelSpace
msp = dbxDoc.ModelSpace
MsgBox(CStr(msp.Count), MsgBoxStyle.Information, _
"Number of entities in model")
AcadApp.Quit();
End Sub
End Class
Nikolay Poleshchuk
http://poleshchuk.spb.ru/cad/eng.html