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Imports System
Imports Autodesk.AutoCAD.DatabaseServices
Imports Autodesk.AutoCAD.Runtime
Imports Autodesk.AutoCAD.Geometry
Imports Autodesk.AutoCAD.ApplicationServices
Imports System.Reflection
Imports System.IO
Imports System.Collections
Imports System.Runtime.InteropServices
Imports Autodesk.AutoCAD.Interop
Imports System.Diagnostics
Imports Autodesk.AutoCAD.PlottingServices
Imports DBTransMan = Autodesk.AutoCAD.DatabaseServices.TransactionManager
'to test:
'1. use the NETLOAD command to load mgdarx.dll
'2. issue one of the supported commands (XREC, HYPER, COMINTEROP)
Namespace MgdArx
_
Public Class MyCommands
'this method will be automatically hooked into the AutoCAD command interpreter
'type "cominterop" on the command line after loading this application with
'the NETLOAD command
<CommandMethod("COMINTEROP", CommandFlags.Session)> _
Public Shared Sub ComInteropCommand()
'use AcadApplication property to the to the COM object model
Dim acadApp As AcadApplication = CType(Application.AcadApplication, AcadApplication)
'use the COM object model to iterate through the docs
Dim acadDoc As AcadDocument
For Each acadDoc In acadApp.Documents
'use the static FromAcadDocument method to convert a COM
'document to a mnaged document
Dim doc As Document = Document.FromAcadDocument(acadDoc)
'Declare a document manager object
Dim docMgr As DocumentManager = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager
' use the document manager to lock the document...note: disposal of the lock (below) unlocks the document!
Dim docLock As DocumentLock = docMgr.LockDocument(doc)
Try
'use ObjectId to convert between COM wrappers for database
'objects and their managed wrappers.
Dim id As New ObjectId()
id.OldId = acadDoc.ActiveLayer.ObjectID
Dim ltr As LayerTableRecord = CType(id.Open(OpenMode.ForWrite), LayerTableRecord)
Try
ltr.Description = "Changed by the cominterop command"
Finally
ltr.Dispose()
End Try
Finally
docLock.Dispose() ' unlock the document
End Try
Next acadDoc
End Sub 'ComInteropCommand
'this method will be automatically hooked into the AutoCAD command interpreter
<CommandMethod("HYPER")> _
Public Shared Sub HyperCommand()
Dim db As Database = Application.DocumentManager.MdiActiveDocument.Database
Dim tm As DBTransMan = db.TransactionManager
'start a transaction
Dim myT As Transaction = tm.StartTransaction()
Try
'create a line
Dim line As New Line(New Point3d(0, 0, 0), New Point3d(1, 1, 0))
Dim bt As BlockTable = CType(tm.GetObject(db.BlockTableId, OpenMode.ForRead, False), BlockTable)
Dim btr As BlockTableRecord = CType(tm.GetObject(bt(BlockTableRecord.ModelSpace), OpenMode.ForWrite, False), BlockTableRecord)
'add it to the model space block table record
btr.AppendEntity(line)
'make sure that the transaction knows about this new object
tm.AddNewlyCreatedDBObject(line, True)
'add some hyperlinks
Dim hyper As New HyperLink()
hyper.Name = "www.autodesk.com"
line.Hyperlinks.Add(hyper)
If line.Hyperlinks.Contains(hyper) Then
hyper.Name = "www.gotdotnet.com"
End If
line.Hyperlinks.Add(hyper)
Dim i As Integer
For i = 0 To line.Hyperlinks.Count - 1
Debug.WriteLine(line.Hyperlinks(i).ToString())
Next i 'commit transaction
myT.Commit()
Finally
myT.Dispose()
End Try
End Sub 'HyperCommand
<CommandMethod("XRECORD")> _
Public Shared Sub XRecCommand()
Dim db As Database = Application.DocumentManager.MdiActiveDocument.Database
Dim tm As DBTransMan = db.TransactionManager
'start a transaction
Dim myT As Transaction = tm.StartTransaction()
Try
Dim rec As New Xrecord()
rec.Data = New ResultBuffer( _
New TypedValue(CInt(DxfCode.Text), "This is a test"), _
New TypedValue(CInt(DxfCode.Int8), 0), _
New TypedValue(CInt(DxfCode.Int16), 1), _
New TypedValue(CInt(DxfCode.Int32), 2), _
New TypedValue(CInt(DxfCode.HardPointerId), db.BlockTableId), _
New TypedValue(CInt(DxfCode.BinaryChunk), New Byte() {0, 1, 2, 3, 4}), _
New TypedValue(CInt(DxfCode.ArbitraryHandle), db.BlockTableId.Handle), _
New TypedValue(CInt(DxfCode.UcsOrg), New Point3d(0, 0, 0)))
Dim dict As DBDictionary = CType(myT.GetObject(db.NamedObjectsDictionaryId, OpenMode.ForWrite, False), DBDictionary)
dict.SetAt("test", rec)
tm.AddNewlyCreatedDBObject(rec, True)
'list the entries we just added
CommandLinePrompts.Message("Xrecord items:" + ControlChars.Lf)
Dim rb As TypedValue
For Each rb In rec.Data
CommandLinePrompts.Message(String.Format("TypeCode={0}, Value={1}" + ControlChars.Lf, rb.TypeCode, rb.Value))
Next rb
'add some xdata on the xrecord (silly but this is just a test)
'first have to register an app
Dim tbl As RegAppTable = CType(myT.GetObject(db.RegAppTableId, OpenMode.ForWrite, False), RegAppTable)
Dim app As New RegAppTableRecord()
app.Name = "MyApp"
tbl.Add(app)
tm.AddNewlyCreatedDBObject(app, True)
rec.XData = New ResultBuffer(New TypedValue(CInt(DxfCode.ExtendedDataRegAppName), "MyApp"), New TypedValue(CInt(DxfCode.ExtendedDataAsciiString), "This is some xdata string"))
'list them
CommandLinePrompts.Message("Xdata items:" + ControlChars.Lf)
For Each rb In rec.XData
CommandLinePrompts.Message(String.Format("TypeCode={0}, Value={1}" + ControlChars.Lf, rb.TypeCode, rb.Value))
Next rb
'commit transaction
myT.Commit()
Finally
myT.Dispose()
End Try
End Sub 'XRecCommand
End Class 'MyCommands
End Namespace 'MgdArx |
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