Introduction to .NET Platform and .NET Framework

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(No Transcript)
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???????????? ?? ?????
???????????? ?? .NET Framework
http//www.nakov.com/dotnet-project/
?????? ???????
???-????? www.gis-sofia.bg Microsoft Student
Consultant www.fmi.uni-sofia.bg/microsoft/
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?????????? ??????

• ?????? ???????? ?? .NET Framework ? CLR (Common
  Language Runtime)
• ?????? ???????? ?? ?????? ??????? ?? ?????? ?
  .NET (Common Type System - CTS)
• ?????? ???????? ?? ???????????? ?? ??????? ? .NET
  (Framework Class Library - FCL)
• ???????? ?? ????? C
• ???????? ?? ?????? ?? ?????
• ?????? ???????? ?? Reflection
• ???????? ?? Attributes
• ???????? ?? ?????? ? XML ? .NET Framework

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??????????

• ????????????
• XML ????????????
• ???????
• ??????????
• ??????
• ?????????? ??????????

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????????????

• ????????????
• ????? e ?????????????
• ?? ????? ?? ????????
• ???? ?????????????
• ??? ?? ????????????
• ?????? ??????e?? (Formatters)
• ???????? ?? ????????????
• ????? ?????? ????????????
• ????? ?????? ??????????????
• IDeserializationCallback
• ISerializable
• ???????????? ?? ??????????????
• Streaming Contexts
• XML ????????????

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????? e ?????????????

• ??????, ????? ??????????? ????? ??? ??????? ????
  ?? ?????? ?? ????? ?? ???????, ?? ??????
  ???????????? (Serialization)
• ??????? ???? ?? ???? ??????? (binary) ??? ???????
  (XML)
• ????????, ????? ????? ????? ?? ??????? ??????? ??
  ??????, ?? ?????? ??????????????
  (Deserialization)
• ??????? ????????????? ??????
• ?????????? ???????? ?? ??? ???????

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?? ????? ?? ????????

• ??????????? ?? ??????????? ?? ?????
• ???? ???????? ???? ?? ??????? ??????????? ?? ??
  ??????? (????, ??)
• ??????????? ?? ????? ???? ?????
• ??? ???????? ????? ?? ?? ???????? ?????
• .NET Framework ?? ???????? ????????
• ?? ?? ?????? session state-? ? ASP.NET
• ???????? ? clipboard ?? Windows Forms
• ????????? ?? ?????? ?? ???????? ?? ????
  Application Domain ? ????
• ??????? ???????? ( Deep Copy )
• Remoting

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?? ????? ?? ???????? (2)

• ???? ???? ???? ????? ???? ????????? ? ????? ??
  ???????, ???? ?? ????
• ?????????
• ???????????
• ?????? ???? ??????? ?? ?????????
• ?? ??????? ?? ?????????????? ?????
• ????? ?? ?? ???????????? ???????? ????? ?? ??????
  - ??????, ????? ?? ????????? ???? ?????
• ?????????? ??????????? ????? ????? ???? ?? ??????
  ?? ????? ? ???????? ?????

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???? ?????????????

• ??????????? ?? ???? ????????? ????? ???? ?? ??
  ??????? ? ??? ????????????
• ?????????????? ? ????????????? ??????
  ??????????? ??
• ?????? ?????????? ? 10 000 ?????
• ????, ????? ??????? ?? ???? ?????? ???????? ??
  ???? ???????
• (???? ?? ? ??????? ? MFC)
• ???? ??? ????? ????, ????? ?? ?????? ? ?????????,
  ??????????? ?? ???????? ??? ??????/??????,
  ?????????? ?? ??????, ?????? ?????? ??? ?????
  ??????, ?????? ??? ?????????, ??????,

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??? ?? ????????????
String str ??? ?? ?? ???? BinaryFormatter f
new BinaryFormatter() Stream s new
FileStream(x.bin) f.Serialize(s,
str) s.Close()

• ???????, ????? ?? ?? ???????????
• ??????? ???? ?? ???? ???????? - Int32, String,
  DateTime, Exception, Image, ArrayList, Hashtable,
  
• ?? ???? ??? ????????? ??????????, ?????????
  ??-?????

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??? ?? ????????????
String str ??? ?? ?? ???? BinaryFormatter f
new BinaryFormatter() Stream s new
FileStream(x.bin) f.Serialize(s,
str) s.Close()

• ????????? ?? ???????? (formatter)
• ?????????? ? ????????? ???, ????? ????????????
  IFormatter
• ?????????? ???? ??? ?? ??????????? ? ???????????
  ???????? ?? ??????

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??? ?? ????????????
String str ??? ?? ?? ???? BinaryFormatter f
new BinaryFormatter() Stream s new
FileStream(x.bin) f.Serialize(s,
str) s.Close()

• ???????, ? ????? ?? ?? ???????????? ???????
• ???? ????????? ?? ?????? ????????? ?? ???????????
  ???? System.IO.Stream
• ???? ????????, ?? ??????? ???? ?? ?? ???????????
  ? MemoryStream, FileStream, NetworkStream,

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??? ?? ????????????
String str ??? ?? ?? ???? BinaryFormatter f
new BinaryFormatter() Stream s new
FileStream(x.bin) f.Serialize(s,
str) s.Close()

• ?????? ?????? ?? ????????????
• ?????????? ??????? ? reflection ?????? ????
  ?????????? ?? ??????
• ?????????? ?? ????-???????????? ???? ???????? -
  ???????????? ?? ??????
• ???????????? ?? ??????? ???? ?? ??????, ?? ??
  ????? ??? ???????? ???????

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?????? ????????? (Formatter)

• ??????????? ???????? ???????? ?? ???????????????
  ?? ????????
• ???????? ??????????? ?? ???? ??????????
• ???? reflection ???????? ??????????? ??
• ????????? (formatter) o? System.Runtime.Serializat
  ion
• BinaryFormatter
• SoapFormatter
• ????????????? ??????????
• ?????????? System.Runtime.Serialization.Formatter
  s.Formatter ?????????? ????, ????? ???? ??????
  ??????????????

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???????? ?? ?????????????
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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin, ...) f.Serialize(s, o)

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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin, ...) f.Serialize(s, o)

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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin, ...) f.Serialize(s, o)

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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin, ...) f.Serialize(s, o)

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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin, ...) f.Serialize(s, o)

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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin, ...) f.Serialize(s, o)

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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin , ...) f.Serialize(s,
o)
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????? ?????? - ????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Serialize() FirstExample fe new
FirstExample() BinaryFormatter f new
BinaryFormatter() Stream s new
FileStream(x.bin, ...) f.Serialize(s, o)

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????? ?????? - ??????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Deserialize() BinaryFormatter f
new BinaryFormatter() Stream s new
FileStream(x.bin, ...) FirstExample fe
(FirstExample) f.Deserialize(s, o)
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????? ?????? - ??????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Deserialize() BinaryFormatter f
new BinaryFormatter() Stream s new
FileStream(x.bin, ...) FirstExample fe
(FirstExample) f.Deserialize(s, o)
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????? ?????? - ??????????????
using System.IO using System.Runtime.Serializatio
n Serializable class FirstExample public
int number NonSerialized public int
ID public string name class Serializer
public Deserialize() BinaryFormatter f
new BinaryFormatter() Stream s new
FileStream(x.bin, ...) FirstExample fe
(FirstExample) f.Deserialize(s, o)
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???????????? 1

• SimpleBinarySerialization

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???????????? 2

• NetworkSerialization

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???????????? 3

• DeepCopy

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IDeserializationCallback

• ??? ??????, ? ????? ?? ?????? ???? ???? ??????? ?
  ??????????????, ?? ?? ???????? ??? ????
• ???????????? ????????? IDeserializationCallback ?
  ???????????? ?????? OnDeserialization()
• ??????? ?? ????????? ???? ??????? ??????????????
  ?? ??????
• ???? ? ???????, ?? ?????? ???? ?????????? ??
  ???????????????

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???????????? 4

• IDeserializationCallback

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???????????? ?? ??????????????
using System.Runtime.Serialization Serializable
class Person ISerializable private int
age private string name private Person(
SerializationInfo info, StreamingContext
context ) age info.GetInt32("person's
age") name (string) info.GetString("person'
s name") void ISerializable.GetObjectData(
SerializationInfo info, StreamingContext
context) info.AddValue( "person's age",
age ) info.AddValue( "person's name", name
)
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???????????? ?? ??????????????
using System.Runtime.Serialization Serializable
class Person ISerializable private int
age private string name private Person(
SerializationInfo info, StreamingContext
context ) age info.GetInt32("person's
age") name (string) info.GetString("person'
s name") void ISerializable.GetObjectData(
SerializationInfo info, StreamingContext
context) info.AddValue( "person's age",
age ) info.AddValue( "person's name", name
)
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???????????? ?? ??????????????
using System.Runtime.Serialization Serializable
class Person ISerializable private int
age private string name private Person(
SerializationInfo info, StreamingContext
context ) age info.GetInt32("person's
age") name (string) info.GetString("person'
s name") void ISerializable.GetObjectData(
SerializationInfo info, StreamingContext
context) info.AddValue( "person's age",
age ) info.AddValue( "person's name", name
)
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???????????? ?? ??????????????
using System.Runtime.Serialization Serializable
class Person ISerializable private int
age private string name private Person(
SerializationInfo info, StreamingContext
context ) age info.GetInt32("person's
age") name (string) info.GetString("person'
s name") void ISerializable.GetObjectData(
SerializationInfo info, StreamingContext
context) info.AddValue( "person's age",
age ) info.AddValue( "person's name", name
)
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???????????? ?? ??????????????
using System.Runtime.Serialization Serializable
class Person ISerializable private int
age private string name private Person(
SerializationInfo info, StreamingContext
context ) age info.GetInt32("person's
age") name (string) info.GetString("person'
s name") void ISerializable.GetObjectData(
SerializationInfo info, StreamingContext
context) info.AddValue( "person's age",
age ) info.AddValue( "person's name", name
)
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???????????? ?? ??????????????
using System.Runtime.Serialization Serializable
class Person ISerializable private int
age private string name private Person(
SerializationInfo info, StreamingContext
context ) age info.GetInt32("person's
age") name (string) info.GetString("person'
s name") void ISerializable.GetObjectData(
SerializationInfo info, StreamingContext
context) info.AddValue( "person's age",
age ) info.AddValue( "person's name", name
)
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???????????? ?? ??????????????
using System.Runtime.Serialization Serializable
class Person ISerializable private int
age private string name private Person(
SerializationInfo info, StreamingContext
context ) age info.GetInt32("person's
age") name (string) info.GetString("person'
s name") void ISerializable.GetObjectData(
SerializationInfo info, StreamingContext
context) info.AddValue( "person's age",
age ) info.AddValue( "person's name", name
)
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ISerializable

• ????????? ?? ????????????? ?? ?????????????
  ????????????
• .ctor( SerializationInfo info, StreamingContext
  context )
• ?? ?????????? base(info, context)
• ISerializable.GetObjectData( SerializationInfo
  info, StreamingContext context )
• ?? ?????????? base.GetObjectData(info, context)
• ????????? ?? ?????????? ????????????, ??????
  ???????????? ???? ??? ?? ?? ??????? ?? ?? ????????

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???????????? 5

• ISerializable

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Streaming Contexts

• ?????? ???? ?? ??????????? ???????
• CrossProcess(0x0001), CrossMachines(0x0002),
  File(0x0004), Persistence(0x0008),
  Remoting(0x0010), Other(0x0020), Clone(0x0040),
  CrossAppDomain(0x0080), All(0x00FF)
• ?????????? ??????? ?? ????? ???? ?? ???????????,
  ??????? ?????? ??? ?? ???????
• ?? ??????????? ???????? ???? ?????????
• ?? ?????? ??????????,

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???????????? 6

• StreamingContexts

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XML ????????????

• ????????????
• XML ????????????
• ????? ? XML ?????????????
• ???????????? ?? ???????? XML
• ??????? ?? ??????????????

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XML ????????????

• ???????????? ?? ?????????? ?????? ? ?????? ??????
  (? ???? ?????? XML) ?? ?????????? ??? ?????????
• XML ?????????????? ????????? ??????
• XML ?????????????? ? ???? ?? ??????????? ?? XML ?
  .NET
• ????????? ???????????? ?? ???? ???????? ???????
• XML ?????????????? ?? ???? ?? ?? ?????? ?
  ???????? ???????? ????? ?? ??????

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???????????? ?? ???????? XML

• ??????????? ?? ? ????????

using System.Xml.Serialization public class
OptionalOrder XmlElement(ElementName
"Tax_Rate") public decimal TaxRate
XmlAttribute public string FirstOrder
XmlIgnoreAttribute public bool
FirstOrderSpecified XmlArrayAttribute("Items
") XmlArrayItem("MemberName") public
OrderedItem OrderedItems XmlElement
public Employee Employees
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???????????? ?? ???????? XML

• ??????????? ?? ? ????????

using System.Xml.Serialization public class
OptionalOrder XmlElement(ElementName
"Tax_Rate") public decimal TaxRate
XmlAttribute public string FirstOrder
XmlIgnoreAttribute public bool
FirstOrderSpecified XmlArrayAttribute("Items
") XmlArrayItem("MemberName") public
OrderedItem OrderedItems XmlElement
public Employee Employees
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???????????? ?? ???????? XML

• ??????????? ?? ? ????????

using System.Xml.Serialization public class
OptionalOrder XmlElement(ElementName
"Tax_Rate") public decimal TaxRate
XmlAttribute public string FirstOrder
XmlIgnoreAttribute public bool
FirstOrderSpecified XmlArrayAttribute("Items
") XmlArrayItem("MemberName") public
OrderedItem OrderedItems XmlElement
public Employee Employees
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???????????? ?? ???????? XML

• ??????????? ?? ? ????????

using System.Xml.Serialization public class
OptionalOrder XmlElement(ElementName
"Tax_Rate") public decimal TaxRate
XmlAttribute public string FirstOrder
XmlIgnoreAttribute public bool
FirstOrderSpecified XmlArrayAttribute("Items
") XmlArrayItem("MemberName") public
OrderedItem OrderedItems XmlElement
public Employee Employees
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???????????? ?? ???????? XML

• ??????????? ?? ? ????????

using System.Xml.Serialization public class
OptionalOrder XmlElement(ElementName
"Tax_Rate") public decimal TaxRate
XmlAttribute public string FirstOrder
XmlIgnoreAttribute public bool
FirstOrderSpecified XmlArrayAttribute("Items
") XmlArrayItem("MemberName") public
OrderedItem OrderedItems XmlElement
public Employee Employees
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???????????? ?? ???????? XML

• ??????????? ?? ? ????????

using System.Xml.Serialization public class
OptionalOrder XmlElement(ElementName
"Tax_Rate") public decimal TaxRate
XmlAttribute public string FirstOrder
XmlIgnoreAttribute public bool
FirstOrderSpecified XmlArrayAttribute("Items
") XmlArrayItem("MemberName") public
OrderedItem OrderedItems XmlElement
public Employee Employees
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???????????? ?? ???????? XML

• ??????????? ?? ? ????????

using System.Xml.Serialization public class
OptionalOrder XmlElement(ElementName
"Tax_Rate") public decimal TaxRate
XmlAttribute public string FirstOrder
XmlIgnoreAttribute public bool
FirstOrderSpecified XmlArrayAttribute("Items
") XmlArrayItem("MemberName") public
OrderedItem OrderedItems XmlElement
public Employee Employees
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???????????? 7

• SimpleXmlSerialization

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??????? ?? ??????????????

• ?????? ??????? ?? ??? ?? ???????
• ?????????? ?? XmlElementAttribute
• ???????? ?? ?? ????????? (? ?????? ElementName)
• XmlElementAttribute ?? ?????? ? ????????? ??
  XmlAttributes
• XmlAttributes ?? ?????? ??? ????????? ??
  XmlAttributeOverrides
• ??????????? ?? XmlAttributeOverrides ?? ???????
  ?? XmlSerializer

54
???????????? 8

• OverridingXmlSerialization

55
?????????????? ?????
????????
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?????????? FormatterServices

• ????????? ???? System.Runtime. Serialization.Forma
  tterServices
• ?????? ?? ????????????
• public static MemberInfo GetSerializableMembers(
  Type type)
• public static Object GetObjectData(Object obj,
  MemberInfo members)
• ?????? ?? ??????????????
• public static Type GetTypeFromAssembly( Assembly
  assem, String name)
• public static Object GetUninitializedObject(Type
  type)
• public static Object PopulateObjectMembers(Object
  obj, MemberInfo members, Object data)

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??????
58
?????????? ??????????

• MSDN Library, Object Serialization in the .NET
  Frameworkhttp//msdn.microsoft.com/library/defaul
  t.asp?url/library/en-us/dndotnet/html/objserializ
  .asp?frametruehidetoctrue
• MSDN Library, System.Runtime.Serialization
  Namespacehttp//msdn.microsoft.com/library/defaul
  t.asp?url/library/en-us/cpref/html/frlrfsystemrun
  timeserialization.asp?frametruehidetoctrue
• MSDN, System.Runtime.Serialization.Formatters
  Namespacehttp//msdn.microsoft.com/library/defaul
  t.asp?url/library/en-us/cpref/html/frlrfsystemrun
  timeserializationformatters.asp?frametruehidetoc
  true
• MSDN, System.Runtime.Serialization.Formatters.Bina
  ry Namespacehttp//msdn.microsoft.com/library/def
  ault.asp?url/library/en-us/cpref/html/frlrfsystem
  runtimeserializationformattersbinary.asp?frametru
  ehidetoctrue
• MSDN, System.Runtime.Serialization.Formatters.Soap
  Namespacehttp//msdn.microsoft.com/library/defau
  lt.asp?url/library/en-us/cpref/html/frlrfsystemru
  ntimeserializationformatterssoap.asp?frametruehi
  detoctrue
• MSDN, System.Xml.Serialization Namespacehttp//ms
  dn.microsoft.com/library/default.asp?url/library/
  en-us/cpref/html/frlrfsystemxmlserialization.asp?f
  rametruehidetoctrue

59
?????????? ??????????

• MSDN Library, XmlSerializer Classhttp//msdn.micr
  osoft.com/library/default.asp?url/library/en-us/c
  pref/html/frlrfsystemxmlserializationxmlserializer
  classtopic.asp?frametruehidetoctrueMSDN
  Library, Controlling XML Serialization Using
  Attributeshttp//msdn.microsoft.com/library/defau
  lt.asp?url/library/en-us/cpguide/html/cpconcontro
  llingserializationbyxmlserializerwithattributes.as
  p?frametruehidetoctrue
• MSDN, Overriding XML Serializationhttp//msdn.mic
  rosoft.com/library/default.asp?url/library/en-us/
  cpguide/html/cpconoverridingserializationofclasses
  withxmlattributeoverridesclass.asp?frametruehide
  toctrue
• MSDN, Attributes That Control Encoded SOAP
  Serializationhttp//msdn.microsoft.com/library/de
  fault.asp?url/library/en-us/cpguide/html/cpconatt
  ributesthatcontrolsoapencodedserialization.asp?fra
  metruehidetoctrue
• MSDN, ttributes That Control XML
  Serializationhttp//msdn.microsoft.com/library/de
  fault.asp?url/library/en-us/cpguide/html/cpconatt
  ributesthatcontrolserialization.asp?frametruehid
  etoctrue
• MSDN, The XML Schema Definition Tool and XML
  Serializationhttp//msdn.microsoft.com/library/de
  fault.asp?url/library/en-us/cpguide/html/cpconusi
  ngxmlschemadefinitiontool.asp?frametruehidetoct
  rue

60
?????????? ??????????

• MSDN Library, Generating SOAP Messages With XML
  Serializationhttp//msdn.microsoft.com/library/de
  fault.asp?url/library/en-us/cpguide/html/cpconxml
  serializationusingsoapprotocol.asp?frametruehide
  toctrue
• .NET Serialization By Vyacheslav
  Biktagirovhttp//www.csharphelp.com/archives/arch
  ive38.html
• CodeGuru .NET Serialization Mickey Williams
  http//www.codeguru.com/columns/DotNet/article.php
  /c6595/
• CodeGuru Object Serialization Using .NET Ali
  Sufyanhttp//www.codeguru.com/Csharp/Csharp/cs_sy
  ntax/serialization/article.php/c7201/
• CodeGuru Streams and .NET Richard
  Grimeshttp//www.codeguru.com/Csharp/Csharp/cs_da
  ta/streaming/article.php/c4223
• .NET Run-time Serialization -- MSDN Magazine,
  April 2002 Jeffrey Richterhttp//msdn.microsoft.c
  om/msdnmag/issues/02/04/net/
• .NET Run-time Serialization, Part 2 -- MSDN
  Magazine, September 2002 Jeffrey
  Richterhttp//msdn.microsoft.com/msdnmag/issues/0
  2/07/net/
• .NET Run-time Serialization, Part 3 -- MSDN
  Magazine, September 2002 Jeffrey
  Richterhttp//msdn.microsoft.com/msdnmag/issues/0
  2/09/net/