Dim?ppr?As?PromptPointResult?=?ed.GetPoint("請選擇插入點(diǎn):")
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Dim?pt?As?Point3d?=?ppr.Value
utility.WriteToEditor(pt.ToString())
Dim?pidBlock?As?New?PIDBlock()
'自己定義的圖塊類,保存圖塊的路徑和名稱?
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()
'多文檔要先這樣,否則報至命錯誤?
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
End?Using
End?Using
Private Sub Command1_Click()
'首先引用 acad 2009 Object Library類型庫
Dim myAcadApp As AutoCAD.AcadApplication, activeDoc As AutoCAD.AcadDocument, acMS As AutoCAD.AcadModelSpace
On Error Resume Next
Set myAcadApp = GetObject(, "Autocad.Application") '檢查AutoCAD是否已經(jīng)打開
If Err 0 Then '沒有打開
Err.Clear
Set myAcadApp = CreateObject("Autocad.Application") '打開CAD
If Err Then
MsgBox Err.Number ":" Err.Description '打開失敗
Exit Sub
End If
End If
On Error GoTo prcERR
myAcadApp.Visible = True '顯示CAD
Set activeDoc = myAcadApp.ActiveDocument
Dim startPoint(0 To 2) As Double
Dim endPoint(0 To 2) As Double
Dim LineObj As AcadLine'如果畫圖時出錯,改為Dim LineObj As Object
startPoint(0) = 0: startPoint(1) = 0: startPoint(2) = 0
endPoint(0) = 30: endPoint(1) = 20: endPoint(2) = 0
Set LineObj = activeDoc.ModelSpace.AddLine(startPoint, endPoint) '畫線
prcExit:
Set activeDoc = Nothing
Set myAcadApp = Nothing
Exit Sub
prcERR:
MsgBox Err.Number ":" Err.Description, vbCritical, "錯誤"
Resume prcExit
End Sub
VB可以與CAD連接,但要先轉(zhuǎn)化為文本文檔,在編寫一個接口程序。
不過,實(shí)際上一般不會這樣做,因?yàn)樵贑AD當(dāng)中可以直接加載VB,就是我們通常說的VBA,一般用作CAD的二次開發(fā)來用,比如說自動繪圖。語法和VB差不多,只是一些細(xì)小的差別,很簡單的。
打開CAD,點(diǎn)擊“工具”/“宏”/VB管理器,再在里面寫程序,運(yùn)行時,要先加載VB,再點(diǎn)擊“宏”里面的“加載工程”,再把你的程序加載進(jìn)去就可以運(yùn)行了。如果你的程序不能運(yùn)行,說明你是用VB編寫的,不是用VBA編寫的,雖然語法相同,但也運(yùn)行不了,你自己試試吧!其實(shí)只要你會VB,VBA就很簡單,只是一般用來畫圖要計算坐標(biāo),很麻煩!
你去查查書吧,書上挺詳細(xì)的,在這說不好說,你先在項(xiàng)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("不能運(yùn)行AutoCAD,請檢查是否安裝了AutoCAD") Exit Sub End If End If AcadApp.Visible = True '界面可視
標(biāo)題名稱:vb點(diǎn)虐
中嵌套cad vb開發(fā)cad插件教程
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