vb.net配置cad net和vb

如何用vb.net编程在cad图形中插入dwg图块？

Dim ppr As PromptPointResult = ed.GetPoint("请选择插入点：")

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Dim pt As Point3d = ppr.Value

utility.WriteToEditor(pt.ToString())

Dim pidBlock As New PIDBlock()

'自己定义的图块类，保存图块的路径和名称

pidBlock.Name = "sample"

pidBlock.Path = blockPath "b_sample.dwg"

Using blkDb As New Database(False, True)

'read drawing

blkDb.ReadDwgFile(pidBlock.Path, System.IO.FileShare.Read, True, Nothing)

blkDb.CloseInput(True)

Using docLock As DocumentLock = doc.LockDocument()

'多文档要先这样，否则报至命错误

Using t As Transaction = doc.TransactionManager.StartTransaction()

'insert it as a new block

Dim idBTR As ObjectId = doc.Database.Insert(pidBlock.Name, blkDb, False)

'create a ref to the block

Dim bt As BlockTable = DirectCast(t.GetObject(doc.Database.BlockTableId, OpenMode.ForRead), BlockTable)

Dim btr As BlockTableRecord = DirectCast(t.GetObject(bt(BlockTableRecord.ModelSpace), OpenMode.ForWrite), BlockTableRecord)

Using bref As New BlockReference(pt, idBTR)

btr.AppendEntity(bref)

t.AddNewlyCreatedDBObject(bref, True)

End Using

t.Commit()

End Using

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 ""

End Select

End Sub

vb.net怎样在当前已打开的AutoCAD画图? 最好有个判断语句, 如果CAD已打开, 在当前画图; 如果没有, 则打开

Private Function isopen() As AutoCAD.AcadApplication

Try

dim CADapp_temp AutoCAD.AcadApplication = GetObject(, "AutoCAD.Application")

return CADapp_temp

Catch ex As Exception

Return Nothing

End Try

End Function

'调用上面的函数,如果为nothing表示没有打开，否则打开并返回对象

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

如何用VB.NET编程语言实现打开CAD文件？

需要解析CAD文件的构成然后根据规则绘制说白点CAD文件是人家公司定义的一个文件格式里面保存的不是图形而是图形的绘制规则程序AutoCad打开文件的时候是读取文件里面描写的绘制规则绘制图案的你了解了CAD文件的构成后就可以自己写代码绘制图形了（具体CAD图形构成没研究过你可以用记事本打开一个CAD的图形交换文件.Dxf 可以看到这个文件是由图层说明和很多点坐标组成的）