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Private Function isopen() As AutoCAD.AcadApplication
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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
Dim ppr As PromptPointResult = ed.GetPoint("请选择插入点:")
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
End Using
End Using
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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