关于vb.netacad的信息

如何使用vb.net调用cad进行绘图

你去查查书吧，书上挺详细的，在这说不好说，你先在项目里引用。然后 Dim acadapp As AcadApplication Dim acaddoc As AcadDocument On Error Resume Next AcadApp = GetObject(, "AutoCAD.Application") If Err.Number Then Err.Clear() AcadApp = CreateObject("AutoCAD.Application") If Err.Number Then MsgBox("不能运行AutoCAD,请检查是否安装了AutoCAD") Exit Sub End If End If AcadApp.Visible = True '界面可视

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VB.Net读取AutoCAD图纸

如果可以的话请把分给我

以下是cad2007版的，引用autocad 2007 type library 和autocad/objectdbx common 17如果是04或者版本更低的只要引用autocad 2007 type library，代码的话大同小异，思路是一样的

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

On Error Resume Next

Dim acadapp As Autodesk.AutoCAD.Interop.AcadApplication

acadapp = GetObject(vbNullString, "autoCAD.application")

Dim acaddoc As Autodesk.AutoCAD.Interop.AcadDocument

acaddoc = acadapp.ActiveDocument

Dim Ms As Autodesk.AutoCAD.Interop.Common.AcadModelSpace

Ms = acaddoc.ModelSpace

Dim acadObjectI As Autodesk.AutoCAD.Interop.Common.AcadObject

Dim Linei As Autodesk.AutoCAD.Interop.Common.AcadLine

Dim Circlei As Autodesk.AutoCAD.Interop.Common.AcadCircle

Dim Polylinei As Autodesk.AutoCAD.Interop.Common.AcadPolyline

Dim pt As Autodesk.AutoCAD.Interop.Common.AcadPoint

For Each acadObjectI In Ms

Debug.Print(acadObjectI.ObjectName)

Select Case acadObjectI.ObjectName

Case "AcDbLine"

Linei = acadObjectI

Debug.Print("X =" Linei.StartPoint(0).ToString)

Debug.Print("Y =" Linei.StartPoint(1).ToString)

Case ""

Case ""

End Select

Next

End Sub

VB.NET连接AutoCAD出错

这个是vb.net教材里面的吧，我也是前两天刚下的。遇到类似的问题，下面是我的解决办法

首先要参考引用Autodesk.AutoCAD.Interop.dll还有Autodesk.AutoCAD.Interop.Common.dll

然后代码有两处也需要相应修改，我用的是.NET 的 vb2008

'Dim AcadApp As AutoCAD.AcadApplication

Dim AcadApp As Autodesk.AutoCAD.Interop.AcadApplication

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Call 连接AutoCAD()

End Sub

Sub 连接AutoCAD()

On Error Resume Next

AcadApp = GetObject(, "AutoCAD.Application")

If Err.Number Then

Err.Clear()

AcadApp = CreateObject("AutoCAD.Application")

If Err.Number Then

MsgBox("不能运行AutoCAD,请检查是否安装了AutoCAD")

Exit Sub

End If

End If

AcadApp.Visible = True '界面可视

'AcadApp.WindowState = AutoCAD.AcWindowState.acMax '界面最大化

AcadApp.WindowState = Autodesk.AutoCAD.Interop.Common.AcWindowState.acMax

AppActivate(AcadApp.Caption) '显示AutoCAD界面

End Sub

VB.net 编程时，自定义的类如何继承AcadDocument. inherits Acaddocument 报错。

在工程下面的应用对应的类是否加载？如果是编译后运行的话要选中加载应用项，把编译时导入属性勾上

VB.Net编程提取CAD中的点坐标,采用AcadApp.ActiveDocument.Utility.GetPoint函数老是报错是什么原因啊???

D=AcadApp.ActiveDocument.Utility.GetPoint(,"选择一个点：")

你的参数没有弄对

GetPoint是个方法不是属性必须要括号()

他的两个参数为可选参数（startpoint，prompt）第一个参数是起始点，第二个参数是提示语

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