5
का कारण बनता है मैं कुछ कोड बनाने का प्रयास कर रहा हूं जो कक्षाओं की एक लाइब्रेरी को एक ऑटोकैड ड्राइंग में क्रमबद्ध और deserialize कर सकते हैं। इस सवाल के अलावा ऑटोकैड के साथ बहुत कुछ नहीं करना है क्योंकि मैं इसे सामान्य माध्यमों से डीबग नहीं कर सकता हूं। मैंने इस परियोजना को this article से शुरू किया और सफलतापूर्वक अपना कोड चलाने के लिए मिला। हालांकि जिस तरह से उसका कोड संरचित किया गया है, इसके लिए मुझे अपने सभी वर्गों को अपने बेसोबजेक्ट से प्राप्त करने की आवश्यकता होगी। चूंकि यह स्पष्ट रूप से एक कोड गंध है, मुझे पता था कि मुझे इसके बजाय एक इंटरफ़ेस बनाने की आवश्यकता है। नीचे वह कोड है जिसे मैंने समाप्त किया था।सीरियलाइजेशन कोड अनचाहे अपवाद
यह पहला खंड एक ऑटोकैड ड्राइंग में क्रमबद्ध करने के लिए जिम्मेदार कोड है।
[Serializable]
public class MattMember: IClearspanSerializable
{
public string Name;
List<int> MattsInts;
public MattMember(string passedName, List<int> passedInts)
{
Name = passedName;
MattsInts = passedInts;
}
[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)]
public void GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("Name", Name);
info.AddValue("MattsInts", MattsInts);
}
[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)]
public void SetObjectData(SerializationInfo info, StreamingContext context)
{
if (info == null)
{
throw new System.ArgumentNullException("info");
}
Name = (string)info.GetValue("Name", typeof(string));
MattsInts = (List<int>)info.GetValue("MattsInts", typeof(List<int>));
}
void IClearspanSerializable.SetObjectData(object objectInDisguise)
{
if (objectInDisguise == null)
{
throw new System.ArgumentNullException("info");
}
MattMember objectToCopy = (MattMember)objectInDisguise;
Name = objectToCopy.Name;
MattsInts = objectToCopy.MattsInts;
}
}
और यहाँ इंटरफेस है:
दूसरे खंड एक वर्ग का एक उदाहरण है कि मेरे कस्टम क्रमांकन इंटरफ़ेस
public class Commands
{
public class MyUtil
{
const int kMaxChunkSize = 127;
public ResultBuffer StreamToResBuf(MemoryStream ms, string appName)
{
ResultBuffer resBuf = new ResultBuffer(new TypedValue((int)DxfCode.ExtendedDataRegAppName, appName));
for (int i = 0; i < ms.Length; i += kMaxChunkSize)
{
int length = (int)Math.Min(ms.Length - i, kMaxChunkSize);
byte[] datachunk = new byte[length];
ms.Read(datachunk, 0, length);
resBuf.Add(new TypedValue((int)DxfCode.ExtendedDataBinaryChunk, datachunk));
}
return resBuf;
}
public MemoryStream ResBufToStream(ResultBuffer resBuf)
{
MemoryStream ms = new MemoryStream();
TypedValue[] values = resBuf.AsArray();
// Start from 1 to skip application name
for (int i = 1; i < values.Length; i++)
{
byte[] datachunk = (byte[])values[i].Value;
ms.Write(datachunk, 0, datachunk.Length);
}
ms.Position = 0;
return ms;
}
public void NewFromEntity(IClearspanSerializable objectToSave, Entity ent)
{
using (ResultBuffer resBuf = ent.GetXDataForApplication("Member"))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Binder = new MyBinder();
MemoryStream ms = this.ResBufToStream(resBuf);
objectToSave.SetObjectData(bf.Deserialize(ms));
}
}
public void SaveToEntity(IClearspanSerializable objectToSave, Entity ent)
{
// Make sure application name is registered
// If we were to save the ResultBuffer to an Xrecord.Data,
// then we would not need to have a registered application name
Transaction tr = ent.Database.TransactionManager.TopTransaction;
RegAppTable regTable = (RegAppTable)tr.GetObject(ent.Database.RegAppTableId, OpenMode.ForWrite);
if (!regTable.Has("Member"))
{
RegAppTableRecord app = new RegAppTableRecord();
app.Name = "Member";
regTable.Add(app);
tr.AddNewlyCreatedDBObject(app, true);
}
BinaryFormatter bf = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
bf.Serialize(ms, objectToSave);
ms.Position = 0;
ent.XData = this.StreamToResBuf(ms, "Member");;
}
}
public sealed class MyBinder : SerializationBinder
{
public override Type BindToType(string assemblyName, string typeName)
{
return Type.GetType(string.Format("{0}, {1}",
typeName, assemblyName));
}
}
[CommandMethod("SaveClassToEntityXData", CommandFlags.Modal)]
public void SaveClassToEntityXData(IClearspanSerializable objectToSerialize)
{
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptEntityResult per = ed.GetEntity("Select entity to save class to:\n");
if (per.Status != PromptStatus.OK)
return;
MyUtil util = new MyUtil();
// Save it to the document
using (Transaction tr = db.TransactionManager.StartTransaction())
{
Entity ent = (Entity)tr.GetObject(per.ObjectId, OpenMode.ForWrite);
util.SaveToEntity(objectToSerialize, ent);
tr.Commit();
}
// Write some info about the results
//ed.WriteMessage("Content of MyClass we serialized:\n {0} \n", mc.ToString());
}
[CommandMethod("GetClassFromEntityXData", CommandFlags.Modal)]
public void GetClassFromEntityXData(IClearspanSerializable objectToRestore)
{
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
MyUtil util = new MyUtil();
PromptEntityResult per = ed.GetEntity("Select entity to get class from:\n");
if (per.Status != PromptStatus.OK)
return;
// Get back the class
using (Transaction tr = db.TransactionManager.StartTransaction())
{
Entity ent = (Entity)tr.GetObject(per.ObjectId, OpenMode.ForRead);
util.NewFromEntity(objectToRestore, ent);
tr.Commit();
}
}
}
लागू करता है यहाँ एक डमी वर्ग के साथ मैं परीक्षण करने के लिए प्रयास कर रहा है :
public interface IClearspanSerializable
{
void GetObjectData(SerializationInfo info, StreamingContext context);
void SetObjectData(object objectInDisguise);
}
जब मैं ऑटोकैड के अंदर कोड चलाने का प्रयास करता हूं, तो मुझे यह त्रुटि मिलती है या। जो मुझे विश्वास दिलाता है कि मेरी कक्षाओं के आरंभ में एक साधारण बग है। मेरे ब्रेकपॉइंट्स में से कोई भी हिट नहीं मिलता है।
मैं यह कैसे डिबग चाहिए? और मैंने अपना प्रारंभिकरण कहाँ खराब कर दिया है?
[संपादित करें], यहाँ क्या "विवरण" में है:
******************************************************************************
Application does not support just-in-time (JIT)
debugging. See the end of this message for details.
************** Exception Text **************
System.ArgumentException: Cannot bind to the target method because its signature or security transparency is not compatible with that of the delegate type.
at System.Delegate.CreateDelegate(Type type, Object firstArgument, MethodInfo method, Boolean throwOnBindFailure)
at System.Delegate.CreateDelegate(Type type, Object firstArgument, MethodInfo method)
at Autodesk.AutoCAD.Runtime.CommandClass.InvokeWorker(MethodInfo mi, Object commandObject, Boolean bLispFunction)
at Autodesk.AutoCAD.Runtime.CommandClass.InvokeWorkerWithExceptionFilter(MethodInfo mi, Object commandObject, Boolean bLispFunction)
at Autodesk.AutoCAD.Runtime.PerDocumentCommandClass.Invoke(MethodInfo mi, Boolean bLispFunction)
at Autodesk.AutoCAD.Runtime.CommandClass.CommandThunk.Invoke()
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accoremgd
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AcCalcUi.resources
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AcLivePreviewContext
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Write To Block
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************** JIT Debugging **************
Application does not support Windows Forms just-in-time (JIT)
debugging. Contact the application author for more
information.
विवरण बटन पर क्लिक करें पहले और बाद के लिए विवरण पर चिपकाएं। मुझे आश्चर्य है कि इस सवाल को 5 अपवॉट क्यों प्राप्त हुए ..... – Matt
ऑटोकैड का कौन सा संस्करण/साक्षात्कार यह है? –
यह 32-बिट विंडोज 7 मशीन –