Autodesk官方最新的.NET教程（四）（vb.net版）

                    ''''在NOD中找到.

                    Dim NOD As DBDictionary = trans.GetObject(db.NamedObjectsDictionaryId, OpenMode.ForRead, False)

                    Dim acmeDict As DBDictionary = trans.GetObject(NOD.GetAt("ACME_DIVISION"), OpenMode.ForRead)

                    ''''注意我们直接使用扩展数据...

                    Dim salesDict As DBDictionary = trans.GetObject(acmeDict.GetAt(EmployeeXRec.Data.AsArray(2).Value), OpenMode.ForRead)

                    Dim salesXRec As Xrecord = trans.GetObject(salesDict.GetAt("Department Manager"), OpenMode.ForRead)

                    ''''最后，把雇员的数据输出到命令行

                    resBuf = salesXRec.Data.AsArray(0)

                    saEmployeeList.SetValue(String.Format("{0}" + ControlChars.Lf, resBuf.Value), nEmployeeDataCount)

                    nEmployeeDataCount += 1

                End If

            End If

            trans.Commit()

        Finally

            trans.Dispose()

        End Try

    End Sub

    <CommandMethod("PRINTOUTEMPLOYEE")> _

    Public Shared Function PrintoutEmployee()

        Dim ed As Editor = Application.DocumentManager.MdiActiveDocument.Editor

        Dim nEmployeeCount As Integer = 0

        Dim nEmployeeDataCount As Integer

        ''''声明我们将在下面使用的工具...

        Dim db = HostApplicationServices.WorkingDatabase

        Dim trans As Transaction = db.TransactionManager.StartTransaction() ''''Start the transaction.

        Try

            ''''首先，获取块表和模型空间块表记录

            Dim bt As BlockTable = trans.GetObject(HostApplicationServices.WorkingDatabase.BlockTableId, OpenMode.ForRead)

            Dim btr As BlockTableRecord = trans.GetObject(bt(btr.ModelSpace), OpenMode.ForRead)

            ''''现在，我们需要把内容输出到命令行。这里可以有一个对象帮助我们：

            ''''下面的部分，我们将遍历模型空间:

            Dim id As ObjectId '''' – 首先，定义一个ObjectId对象，用于For循环。

            For Each id In btr

                Dim ent As Entity = trans.GetObject(id, OpenMode.ForRead, False) ''''打开当前对象!

                If TypeOf ent Is BlockReference Then

                    Dim saEmployeeList(-1) As String ''''这是正确的...它被重新定义。

                    ListEmployee(id, saEmployeeList)

                    Dim sEmployeeData As String

                    If (saEmployeeList.Length = 4) Then

                        ed.WriteMessage("Employee Name: {0}", saEmployeeList(0))

                        ed.WriteMessage("Employee Salary: {0}", saEmployeeList(1))

                        ed.WriteMessage("Employee Division: {0}", saEmployeeList(2))

                        ed.WriteMessage("Division Manager: {0}", saEmployeeList(3))

                    End If

                End If

            Next

        Finally

        End Try

    End Function

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