AppDomain.Load 方法

定義

命名空間:: System

組件:: netstandard.dll, System.Runtime.dll

組件:: System.Runtime.Extensions.dll

組件:: mscorlib.dll

組件:: netstandard.dll

重要

部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。

將載 Assembly 入此應用域。

多載

名稱	Description
Load(Byte[])	載入 Assembly 基於通用物件檔案格式（COFF）的影像，包含一個已發射 Assembly的。
Load(AssemblyName)	載入且Assembly給定的。AssemblyName
Load(String)	載入給 Assembly 定的顯示名稱。
Load(Byte[], Byte[])	載入 Assembly 基於通用物件檔案格式（COFF）的影像，包含一個已發射 Assembly的。代表符號 Assembly 的原始位元組也會被載入。
Load(AssemblyName, Evidence)	已淘汰. 載入且Assembly給定的。AssemblyName
Load(String, Evidence)	已淘汰. 載入給 Assembly 定的顯示名稱。
Load(Byte[], Byte[], Evidence)	已淘汰. 載入 Assembly 基於通用物件檔案格式（COFF）的影像，包含一個已發射 Assembly的。代表符號 Assembly 的原始位元組也會被載入。

Load(Byte[])

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

載入 Assembly 基於通用物件檔案格式（COFF）的影像，包含一個已發射 Assembly的。

public:
 System::Reflection::Assembly ^ Load(cli::array <System::Byte> ^ rawAssembly);

public:
 virtual System::Reflection::Assembly ^ Load(cli::array <System::Byte> ^ rawAssembly);

[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Types and members the loaded assembly depends on might be removed")]
public System.Reflection.Assembly Load(byte[] rawAssembly);

public System.Reflection.Assembly Load(byte[] rawAssembly);

[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Types and members the loaded assembly depends on might be removed")>]
member this.Load : byte[] -> System.Reflection.Assembly

member this.Load : byte[] -> System.Reflection.Assembly

abstract member Load : byte[] -> System.Reflection.Assembly
override this.Load : byte[] -> System.Reflection.Assembly

Public Function Load (rawAssembly As Byte()) As Assembly

參數

rawAssembly: Byte[]

一個型態 byte 為 COFF 基礎的映像，包含一個已發射的組裝體。

傳回

Assembly

裝填組件。

實作

Load(Byte[])

屬性: RequiresUnreferencedCodeAttribute

例外狀況

ArgumentNullException

rawAssembly 是 null。

BadImageFormatException

rawAssembly 在目前載入的執行時中，不是一個有效的組合語言。

AppDomainUnloadedException

此操作嘗試在未載入的應用程式域上執行。

FileLoadException

元件或模組已載入兩次，並具有兩個不同的辨識項。

範例

以下範例示範了對原始組件裝填的使用方法。

要執行此程式碼範例，您必須提供完全限定的組合名稱。關於如何取得完全合格的議會名稱，請參閱議會名稱。

using namespace System;
using namespace System::IO;
using namespace System::Reflection;
using namespace System::Reflection::Emit;
void InstantiateMyType( AppDomain^ domain )
{
   try
   {
      
      // You must supply a valid fully qualified assembly name here.
      domain->CreateInstance( "Assembly text name, Version, Culture, PublicKeyToken", "MyType" );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( e->Message );
   }

}


// Loads the content of a file to a Byte array.
array<Byte>^ loadFile( String^ filename )
{
   FileStream^ fs = gcnew FileStream( filename,FileMode::Open );
   array<Byte>^buffer = gcnew array<Byte>((int)fs->Length);
   fs->Read( buffer, 0, buffer->Length );
   fs->Close();
   return buffer;
}


// Creates a dynamic assembly with symbol information
// and saves them to temp.dll and temp.pdb
void EmitAssembly( AppDomain^ domain )
{
   AssemblyName^ assemblyName = gcnew AssemblyName;
   assemblyName->Name = "MyAssembly";
   AssemblyBuilder^ assemblyBuilder = domain->DefineDynamicAssembly( assemblyName, AssemblyBuilderAccess::Save );
   ModuleBuilder^ moduleBuilder = assemblyBuilder->DefineDynamicModule( "MyModule", "temp.dll", true );
   TypeBuilder^ typeBuilder = moduleBuilder->DefineType( "MyType", TypeAttributes::Public );
   ConstructorBuilder^ constructorBuilder = typeBuilder->DefineConstructor( MethodAttributes::Public, CallingConventions::Standard, nullptr );
   ILGenerator^ ilGenerator = constructorBuilder->GetILGenerator();
   ilGenerator->EmitWriteLine( "MyType instantiated!" );
   ilGenerator->Emit( OpCodes::Ret );
   typeBuilder->CreateType();
   assemblyBuilder->Save( "temp.dll" );
}

ref class Resolver
{
public:
   static Assembly^ MyResolver( Object^ sender, ResolveEventArgs^ args )
   {
      AppDomain^ domain = dynamic_cast<AppDomain^>(sender);
      
      // Once the files are generated, this call is
      // actually no longer necessary.
      EmitAssembly( domain );
      array<Byte>^rawAssembly = loadFile( "temp.dll" );
      array<Byte>^rawSymbolStore = loadFile( "temp.pdb" );
      Assembly^ assembly = domain->Load( rawAssembly, rawSymbolStore );
      return assembly;
   }

};

int main()
{
   AppDomain^ currentDomain = AppDomain::CurrentDomain;
   InstantiateMyType( currentDomain ); // Failed!
   currentDomain->AssemblyResolve += gcnew ResolveEventHandler( Resolver::MyResolver );
   InstantiateMyType( currentDomain ); // OK!
}

using System;
using System.IO;
using System.Reflection;
using System.Reflection.Emit;

class LoadRawSnippet {
   public static void Main() {
      AppDomain currentDomain = AppDomain.CurrentDomain;

      InstantiateMyType(currentDomain);   // Failed!

      currentDomain.AssemblyResolve += new ResolveEventHandler(MyResolver);

      InstantiateMyType(currentDomain);   // OK!
   }

   static void InstantiateMyType(AppDomain domain) {
      try {
     // You must supply a valid fully qualified assembly name here.
         domain.CreateInstance("Assembly text name, Version, Culture, PublicKeyToken", "MyType");
      } catch (Exception e) {
         Console.WriteLine(e.Message);
      }
   }

   // Loads the content of a file to a byte array.
   static byte[] loadFile(string filename) {
      FileStream fs = new FileStream(filename, FileMode.Open);
      byte[] buffer = new byte[(int) fs.Length];
      fs.Read(buffer, 0, buffer.Length);
      fs.Close();

      return buffer;
   }

   static Assembly MyResolver(object sender, ResolveEventArgs args) {
      AppDomain domain = (AppDomain) sender;

      // Once the files are generated, this call is
      // actually no longer necessary.
      EmitAssembly(domain);

      byte[] rawAssembly = loadFile("temp.dll");
      byte[] rawSymbolStore = loadFile("temp.pdb");
      Assembly assembly = domain.Load(rawAssembly, rawSymbolStore);

      return assembly;
   }

   // Creates a dynamic assembly with symbol information
   // and saves them to temp.dll and temp.pdb
   static void EmitAssembly(AppDomain domain) {
      AssemblyName assemblyName = new AssemblyName();
      assemblyName.Name = "MyAssembly";

      AssemblyBuilder assemblyBuilder = domain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Save);
      ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule("MyModule", "temp.dll", true);
      TypeBuilder typeBuilder = moduleBuilder.DefineType("MyType", TypeAttributes.Public);

      ConstructorBuilder constructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, null);
      ILGenerator ilGenerator = constructorBuilder.GetILGenerator();
      ilGenerator.EmitWriteLine("MyType instantiated!");
      ilGenerator.Emit(OpCodes.Ret);

      typeBuilder.CreateType();

      assemblyBuilder.Save("temp.dll");
   }
}

open System
open System.IO
open System.Reflection
open System.Reflection.Emit

let instantiateMyType (domain: AppDomain) =
    try
        // You must supply a valid fully qualified assembly name here.
        domain.CreateInstance("Assembly text name, Version, Culture, PublicKeyToken", "MyType")
        |> ignore  
    with e ->
        printfn $"{e.Message}"

// Loads the content of a file to a byte array.
let loadFile filename =
    use fs = new FileStream(filename, FileMode.Open)
    let buffer = Array.zeroCreate<byte> (int fs.Length)
    fs.Read(buffer, 0, buffer.Length) |> ignore
    fs.Close()
    buffer

// Creates a dynamic assembly with symbol information
// and saves them to temp.dll and temp.pdb
let emitAssembly (domain: AppDomain) =
    let assemblyName = AssemblyName()
    assemblyName.Name <- "MyAssembly"

    let assemblyBuilder = domain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Save)
    let moduleBuilder = assemblyBuilder.DefineDynamicModule("MyModule", "temp.dll", true)
    let typeBuilder = moduleBuilder.DefineType("MyType", TypeAttributes.Public)

    let constructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, null)
    let ilGenerator = constructorBuilder.GetILGenerator()
    ilGenerator.EmitWriteLine "MyType instantiated!"
    ilGenerator.Emit OpCodes.Ret

    typeBuilder.CreateType() |> ignore

    assemblyBuilder.Save "temp.dll"

let myResolver (sender: obj) (args: ResolveEventArgs) =
    let domain = sender :?> AppDomain

    // Once the files are generated, this call is
    // actually no longer necessary.
    emitAssembly domain

    let rawAssembly = loadFile "temp.dll"
    let rawSymbolStore = loadFile "temp.pdb"
    domain.Load(rawAssembly, rawSymbolStore)

let currentDomain = AppDomain.CurrentDomain

instantiateMyType currentDomain   // Failed!

currentDomain.add_AssemblyResolve (ResolveEventHandler myResolver)

instantiateMyType currentDomain   // OK!

Imports System.IO
Imports System.Reflection
Imports System.Reflection.Emit

Module Test
   
   Sub Main()
      Dim currentDomain As AppDomain = AppDomain.CurrentDomain
      
      InstantiateMyType(currentDomain)      ' Failed!

      AddHandler currentDomain.AssemblyResolve, AddressOf MyResolver
      
      InstantiateMyType(currentDomain)      ' OK!
   End Sub
   
   
   Sub InstantiateMyType(domain As AppDomain)
      Try
     ' You must supply a valid fully qualified assembly name here.
         domain.CreateInstance("Assembly text name, Version, Culture, PublicKeyToken", "MyType")
      Catch e As Exception
         Console.WriteLine(e.Message)
      End Try
   End Sub
   
   
   ' Loads the content of a file to a byte array. 
   Function loadFile(filename As String) As Byte()
      Dim fs As New FileStream(filename, FileMode.Open)
      Dim buffer(CInt(fs.Length - 1)) As Byte
      fs.Read(buffer, 0, buffer.Length)
      fs.Close()
      
      Return buffer
   End Function 'loadFile
   
   
   Function MyResolver(sender As Object, args As ResolveEventArgs) As System.Reflection.Assembly
      Dim domain As AppDomain = DirectCast(sender, AppDomain)
      
      ' Once the files are generated, this call is
      ' actually no longer necessary.
      EmitAssembly(domain)
      
      Dim rawAssembly As Byte() = loadFile("temp.dll")
      Dim rawSymbolStore As Byte() = loadFile("temp.pdb")
      Dim myAssembly As System.Reflection.Assembly = domain.Load(rawAssembly, rawSymbolStore)
      
      Return myAssembly
   End Function 'MyResolver
   
   
   ' Creates a dynamic assembly with symbol information
   ' and saves them to temp.dll and temp.pdb
   Sub EmitAssembly(domain As AppDomain)
      Dim assemblyName As New AssemblyName()
      assemblyName.Name = "MyAssembly"
      
      Dim assemblyBuilder As AssemblyBuilder = domain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Save)
      Dim moduleBuilder As ModuleBuilder = assemblyBuilder.DefineDynamicModule("MyModule", "temp.dll", True)
      Dim typeBuilder As TypeBuilder = moduleBuilder.DefineType("MyType", TypeAttributes.Public)
      
      Dim constructorBuilder As ConstructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, Nothing)
      Dim ilGenerator As ILGenerator = constructorBuilder.GetILGenerator()
      ilGenerator.EmitWriteLine("MyType instantiated!")
      ilGenerator.Emit(OpCodes.Ret)
      
      typeBuilder.CreateType()
      
      assemblyBuilder.Save("temp.dll")
   End Sub

End Module 'Test

備註

關於此方法所有超載共有的資訊，請參見方法過載。Load(AssemblyName)

適用於

Load(AssemblyName)

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

載入且Assembly給定的。AssemblyName

public:
 System::Reflection::Assembly ^ Load(System::Reflection::AssemblyName ^ assemblyRef);

public:
 virtual System::Reflection::Assembly ^ Load(System::Reflection::AssemblyName ^ assemblyRef);

public System.Reflection.Assembly Load(System.Reflection.AssemblyName assemblyRef);

member this.Load : System.Reflection.AssemblyName -> System.Reflection.Assembly

abstract member Load : System.Reflection.AssemblyName -> System.Reflection.Assembly
override this.Load : System.Reflection.AssemblyName -> System.Reflection.Assembly

Public Function Load (assemblyRef As AssemblyName) As Assembly

參數

assemblyRef: AssemblyName

一個描述要載入的組件的物件。

傳回

Assembly

裝填組件。

實作

Load(AssemblyName)

例外狀況

ArgumentNullException

assemblyRef 是 null。

FileNotFoundException

找不到 assemblyRef。

BadImageFormatException

assemblyRef 在目前載入的執行時中，不是一個有效的組合語言。

AppDomainUnloadedException

此操作嘗試在未載入的應用程式域上執行。

FileLoadException

元件或模組已載入兩次，並具有兩個不同的辨識項。

備註

此方法僅用於將組件載入當前應用域。此方法為無法呼叫靜態 Assembly.Load 方法的互通呼叫者提供便利。若要將組件載入其他應用領域，請使用如 CreateInstanceAndUnwrap。

如果已載入的版本，即使請求的版本不同，此方法也會回傳已載入的組裝。

不建議為提供部分組裝名稱 assemblyRef 。（部分名稱會省略一個或多個文化、版本或公鑰標記。對於以字串取代 AssemblyName 物件的超載，「MyAssembly， Version=1.0.0.0」是部分名稱的例子，而「MyAssembly， Version=1.0.0.0， Culture=neutral， PublicKeyToken=18ab3442da84b47」則是完整名稱的範例。）使用部分名稱會對效能產生負面影響。此外，只有當應用程式基底目錄BaseDirectory 中有該組裝檔的完全副本（或 AppDomainSetup.ApplicationBase）時，部分組裝名稱才能從全域組裝快取載入組裝件。

若目前 AppDomain 物件代表應用域 A，且 Load 方法從應用域 B呼叫，組合語言會載入兩個應用域。例如，以下程式碼會 MyAssembly 載入新的應用程式域 ChildDomain ，也會載入執行該程式碼的應用程式域：

AppDomain^ ad = AppDomain::CreateDomain("ChildDomain");
ad->Load("MyAssembly");

AppDomain ad = AppDomain.CreateDomain("ChildDomain");
ad.Load("MyAssembly");

let ad = AppDomain.CreateDomain "ChildDomain"
ad.Load "MyAssembly"

Dim ad As AppDomain  = AppDomain.CreateDomain("ChildDomain")
ad.Load("MyAssembly")

組合語言會載入兩個領域，因為 Assembly 並非從 MarshalByRefObject衍生出來，因此方法的回傳值 Load 無法被封組。取而代之的是，通用語言執行時會嘗試將組合語言載入呼叫的應用程式域。若兩個應用域的路徑設定不同，載入兩個應用程式域的組件可能會有所不同。

Note

如果屬性與屬性都AssemblyName.Name AssemblyName.CodeBase被設定，第一次載入組合語言時會使用顯示名稱（包括屬性回傳Assembly.FullName的版本、文化等）。若找不到該檔案，則使用該 CodeBase 屬性來搜尋該組合。若該組件以 CodeBase找到，則顯示名稱與組件相匹配。若配對失敗，則擲出 a FileLoadException 。

適用於

Load(String)

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

載入給 Assembly 定的顯示名稱。

public:
 System::Reflection::Assembly ^ Load(System::String ^ assemblyString);

public:
 virtual System::Reflection::Assembly ^ Load(System::String ^ assemblyString);

public System.Reflection.Assembly Load(string assemblyString);

member this.Load : string -> System.Reflection.Assembly

abstract member Load : string -> System.Reflection.Assembly
override this.Load : string -> System.Reflection.Assembly

Public Function Load (assemblyString As String) As Assembly

參數

assemblyString: String

集合的顯示名稱。參見 FullName。

傳回

Assembly

裝填組件。

實作

Load(String)

例外狀況

ArgumentNullException

assemblyString 是 null

FileNotFoundException

找不到 assemblyString。

BadImageFormatException

assemblyString 在目前載入的執行時中，不是一個有效的組合語言。

AppDomainUnloadedException

此操作嘗試在未載入的應用程式域上執行。

FileLoadException

元件或模組已載入兩次，並具有兩個不同的辨識項。

備註

關於此方法所有超載共有的資訊，請參見方法過載。Load(AssemblyName)

適用於

Load(Byte[], Byte[])

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

來源:: AppDomain.cs

載入 Assembly 基於通用物件檔案格式（COFF）的影像，包含一個已發射 Assembly的。代表符號 Assembly 的原始位元組也會被載入。

public:
 System::Reflection::Assembly ^ Load(cli::array <System::Byte> ^ rawAssembly, cli::array <System::Byte> ^ rawSymbolStore);

public:
 virtual System::Reflection::Assembly ^ Load(cli::array <System::Byte> ^ rawAssembly, cli::array <System::Byte> ^ rawSymbolStore);

[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Types and members the loaded assembly depends on might be removed")]
public System.Reflection.Assembly Load(byte[] rawAssembly, byte[]? rawSymbolStore);

public System.Reflection.Assembly Load(byte[] rawAssembly, byte[] rawSymbolStore);

public System.Reflection.Assembly Load(byte[] rawAssembly, byte[]? rawSymbolStore);

[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Types and members the loaded assembly depends on might be removed")>]
member this.Load : byte[] * byte[] -> System.Reflection.Assembly

member this.Load : byte[] * byte[] -> System.Reflection.Assembly

abstract member Load : byte[] * byte[] -> System.Reflection.Assembly
override this.Load : byte[] * byte[] -> System.Reflection.Assembly

Public Function Load (rawAssembly As Byte(), rawSymbolStore As Byte()) As Assembly

參數

rawAssembly: Byte[]

一個型態 byte 為 COFF 基礎的映像，包含一個已發射的組裝體。

rawSymbolStore: Byte[]

一個型別 byte 的陣列，包含代表組合語言符號的原始位元組。

傳回

Assembly

裝填組件。

實作

Load(Byte[], Byte[])

屬性: RequiresUnreferencedCodeAttribute

例外狀況

ArgumentNullException

rawAssembly 是 null。

BadImageFormatException

rawAssembly 在目前載入的執行時中，不是一個有效的組合語言。

AppDomainUnloadedException

此操作嘗試在未載入的應用程式域上執行。

FileLoadException

元件或模組已載入兩次，並具有兩個不同的辨識項。

範例

以下範例示範了對原始組件裝填的使用方法。

要執行此程式碼範例，您必須提供完全限定的組合名稱。關於如何取得完全合格的議會名稱，請參閱議會名稱。

using namespace System;
using namespace System::IO;
using namespace System::Reflection;
using namespace System::Reflection::Emit;
void InstantiateMyType( AppDomain^ domain )
{
   try
   {
      
      // You must supply a valid fully qualified assembly name here.
      domain->CreateInstance( "Assembly text name, Version, Culture, PublicKeyToken", "MyType" );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( e->Message );
   }

}


// Loads the content of a file to a Byte array.
array<Byte>^ loadFile( String^ filename )
{
   FileStream^ fs = gcnew FileStream( filename,FileMode::Open );
   array<Byte>^buffer = gcnew array<Byte>((int)fs->Length);
   fs->Read( buffer, 0, buffer->Length );
   fs->Close();
   return buffer;
}


// Creates a dynamic assembly with symbol information
// and saves them to temp.dll and temp.pdb
void EmitAssembly( AppDomain^ domain )
{
   AssemblyName^ assemblyName = gcnew AssemblyName;
   assemblyName->Name = "MyAssembly";
   AssemblyBuilder^ assemblyBuilder = domain->DefineDynamicAssembly( assemblyName, AssemblyBuilderAccess::Save );
   ModuleBuilder^ moduleBuilder = assemblyBuilder->DefineDynamicModule( "MyModule", "temp.dll", true );
   TypeBuilder^ typeBuilder = moduleBuilder->DefineType( "MyType", TypeAttributes::Public );
   ConstructorBuilder^ constructorBuilder = typeBuilder->DefineConstructor( MethodAttributes::Public, CallingConventions::Standard, nullptr );
   ILGenerator^ ilGenerator = constructorBuilder->GetILGenerator();
   ilGenerator->EmitWriteLine( "MyType instantiated!" );
   ilGenerator->Emit( OpCodes::Ret );
   typeBuilder->CreateType();
   assemblyBuilder->Save( "temp.dll" );
}

ref class Resolver
{
public:
   static Assembly^ MyResolver( Object^ sender, ResolveEventArgs^ args )
   {
      AppDomain^ domain = dynamic_cast<AppDomain^>(sender);
      
      // Once the files are generated, this call is
      // actually no longer necessary.
      EmitAssembly( domain );
      array<Byte>^rawAssembly = loadFile( "temp.dll" );
      array<Byte>^rawSymbolStore = loadFile( "temp.pdb" );
      Assembly^ assembly = domain->Load( rawAssembly, rawSymbolStore );
      return assembly;
   }

};

int main()
{
   AppDomain^ currentDomain = AppDomain::CurrentDomain;
   InstantiateMyType( currentDomain ); // Failed!
   currentDomain->AssemblyResolve += gcnew ResolveEventHandler( Resolver::MyResolver );
   InstantiateMyType( currentDomain ); // OK!
}

using System;
using System.IO;
using System.Reflection;
using System.Reflection.Emit;

class LoadRawSnippet {
   public static void Main() {
      AppDomain currentDomain = AppDomain.CurrentDomain;

      InstantiateMyType(currentDomain);   // Failed!

      currentDomain.AssemblyResolve += new ResolveEventHandler(MyResolver);

      InstantiateMyType(currentDomain);   // OK!
   }

   static void InstantiateMyType(AppDomain domain) {
      try {
     // You must supply a valid fully qualified assembly name here.
         domain.CreateInstance("Assembly text name, Version, Culture, PublicKeyToken", "MyType");
      } catch (Exception e) {
         Console.WriteLine(e.Message);
      }
   }

   // Loads the content of a file to a byte array.
   static byte[] loadFile(string filename) {
      FileStream fs = new FileStream(filename, FileMode.Open);
      byte[] buffer = new byte[(int) fs.Length];
      fs.Read(buffer, 0, buffer.Length);
      fs.Close();

      return buffer;
   }

   static Assembly MyResolver(object sender, ResolveEventArgs args) {
      AppDomain domain = (AppDomain) sender;

      // Once the files are generated, this call is
      // actually no longer necessary.
      EmitAssembly(domain);

      byte[] rawAssembly = loadFile("temp.dll");
      byte[] rawSymbolStore = loadFile("temp.pdb");
      Assembly assembly = domain.Load(rawAssembly, rawSymbolStore);

      return assembly;
   }

   // Creates a dynamic assembly with symbol information
   // and saves them to temp.dll and temp.pdb
   static void EmitAssembly(AppDomain domain) {
      AssemblyName assemblyName = new AssemblyName();
      assemblyName.Name = "MyAssembly";

      AssemblyBuilder assemblyBuilder = domain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Save);
      ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule("MyModule", "temp.dll", true);
      TypeBuilder typeBuilder = moduleBuilder.DefineType("MyType", TypeAttributes.Public);

      ConstructorBuilder constructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, null);
      ILGenerator ilGenerator = constructorBuilder.GetILGenerator();
      ilGenerator.EmitWriteLine("MyType instantiated!");
      ilGenerator.Emit(OpCodes.Ret);

      typeBuilder.CreateType();

      assemblyBuilder.Save("temp.dll");
   }
}

open System
open System.IO
open System.Reflection
open System.Reflection.Emit

let instantiateMyType (domain: AppDomain) =
    try
        // You must supply a valid fully qualified assembly name here.
        domain.CreateInstance("Assembly text name, Version, Culture, PublicKeyToken", "MyType")
        |> ignore  
    with e ->
        printfn $"{e.Message}"

// Loads the content of a file to a byte array.
let loadFile filename =
    use fs = new FileStream(filename, FileMode.Open)
    let buffer = Array.zeroCreate<byte> (int fs.Length)
    fs.Read(buffer, 0, buffer.Length) |> ignore
    fs.Close()
    buffer

// Creates a dynamic assembly with symbol information
// and saves them to temp.dll and temp.pdb
let emitAssembly (domain: AppDomain) =
    let assemblyName = AssemblyName()
    assemblyName.Name <- "MyAssembly"

    let assemblyBuilder = domain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Save)
    let moduleBuilder = assemblyBuilder.DefineDynamicModule("MyModule", "temp.dll", true)
    let typeBuilder = moduleBuilder.DefineType("MyType", TypeAttributes.Public)

    let constructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, null)
    let ilGenerator = constructorBuilder.GetILGenerator()
    ilGenerator.EmitWriteLine "MyType instantiated!"
    ilGenerator.Emit OpCodes.Ret

    typeBuilder.CreateType() |> ignore

    assemblyBuilder.Save "temp.dll"

let myResolver (sender: obj) (args: ResolveEventArgs) =
    let domain = sender :?> AppDomain

    // Once the files are generated, this call is
    // actually no longer necessary.
    emitAssembly domain

    let rawAssembly = loadFile "temp.dll"
    let rawSymbolStore = loadFile "temp.pdb"
    domain.Load(rawAssembly, rawSymbolStore)

let currentDomain = AppDomain.CurrentDomain

instantiateMyType currentDomain   // Failed!

currentDomain.add_AssemblyResolve (ResolveEventHandler myResolver)

instantiateMyType currentDomain   // OK!

Imports System.IO
Imports System.Reflection
Imports System.Reflection.Emit

Module Test
   
   Sub Main()
      Dim currentDomain As AppDomain = AppDomain.CurrentDomain
      
      InstantiateMyType(currentDomain)      ' Failed!

      AddHandler currentDomain.AssemblyResolve, AddressOf MyResolver
      
      InstantiateMyType(currentDomain)      ' OK!
   End Sub
   
   
   Sub InstantiateMyType(domain As AppDomain)
      Try
     ' You must supply a valid fully qualified assembly name here.
         domain.CreateInstance("Assembly text name, Version, Culture, PublicKeyToken", "MyType")
      Catch e As Exception
         Console.WriteLine(e.Message)
      End Try
   End Sub
   
   
   ' Loads the content of a file to a byte array. 
   Function loadFile(filename As String) As Byte()
      Dim fs As New FileStream(filename, FileMode.Open)
      Dim buffer(CInt(fs.Length - 1)) As Byte
      fs.Read(buffer, 0, buffer.Length)
      fs.Close()
      
      Return buffer
   End Function 'loadFile
   
   
   Function MyResolver(sender As Object, args As ResolveEventArgs) As System.Reflection.Assembly
      Dim domain As AppDomain = DirectCast(sender, AppDomain)
      
      ' Once the files are generated, this call is
      ' actually no longer necessary.
      EmitAssembly(domain)
      
      Dim rawAssembly As Byte() = loadFile("temp.dll")
      Dim rawSymbolStore As Byte() = loadFile("temp.pdb")
      Dim myAssembly As System.Reflection.Assembly = domain.Load(rawAssembly, rawSymbolStore)
      
      Return myAssembly
   End Function 'MyResolver
   
   
   ' Creates a dynamic assembly with symbol information
   ' and saves them to temp.dll and temp.pdb
   Sub EmitAssembly(domain As AppDomain)
      Dim assemblyName As New AssemblyName()
      assemblyName.Name = "MyAssembly"
      
      Dim assemblyBuilder As AssemblyBuilder = domain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Save)
      Dim moduleBuilder As ModuleBuilder = assemblyBuilder.DefineDynamicModule("MyModule", "temp.dll", True)
      Dim typeBuilder As TypeBuilder = moduleBuilder.DefineType("MyType", TypeAttributes.Public)
      
      Dim constructorBuilder As ConstructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, Nothing)
      Dim ilGenerator As ILGenerator = constructorBuilder.GetILGenerator()
      ilGenerator.EmitWriteLine("MyType instantiated!")
      ilGenerator.Emit(OpCodes.Ret)
      
      typeBuilder.CreateType()
      
      assemblyBuilder.Save("temp.dll")
   End Sub

End Module 'Test

備註

關於此方法所有超載共有的資訊，請參見方法過載。Load(AssemblyName)

適用於

Load(AssemblyName, Evidence)

警告

Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of Load which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information.

載入且Assembly給定的。AssemblyName

public:
 virtual System::Reflection::Assembly ^ Load(System::Reflection::AssemblyName ^ assemblyRef, System::Security::Policy::Evidence ^ assemblySecurity);

public System.Reflection.Assembly Load(System.Reflection.AssemblyName assemblyRef, System.Security.Policy.Evidence assemblySecurity);

[System.Obsolete("Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of Load which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information.")]
public System.Reflection.Assembly Load(System.Reflection.AssemblyName assemblyRef, System.Security.Policy.Evidence assemblySecurity);

abstract member Load : System.Reflection.AssemblyName * System.Security.Policy.Evidence -> System.Reflection.Assembly
override this.Load : System.Reflection.AssemblyName * System.Security.Policy.Evidence -> System.Reflection.Assembly

[<System.Obsolete("Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of Load which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information.")>]
abstract member Load : System.Reflection.AssemblyName * System.Security.Policy.Evidence -> System.Reflection.Assembly
override this.Load : System.Reflection.AssemblyName * System.Security.Policy.Evidence -> System.Reflection.Assembly

Public Function Load (assemblyRef As AssemblyName, assemblySecurity As Evidence) As Assembly

參數

assemblyRef: AssemblyName

一個描述要載入的組件的物件。

assemblySecurity: Evidence

裝填組件的證據。

傳回

Assembly

裝填組件。

實作

Load(AssemblyName, Evidence)

屬性: ObsoleteAttribute

例外狀況

ArgumentNullException

assemblyRef 是 null

FileNotFoundException

找不到 assemblyRef。

BadImageFormatException

assemblyRef 在目前載入的執行時中，不是一個有效的組合語言。

AppDomainUnloadedException

此操作嘗試在未載入的應用程式域上執行。

FileLoadException

元件或模組已載入兩次，並具有兩個不同的辨識項。

備註

關於此方法所有超載共有的資訊，請參見方法過載。Load(AssemblyName)

適用於

Load(String, Evidence)

警告

載入給 Assembly 定的顯示名稱。

public:
 virtual System::Reflection::Assembly ^ Load(System::String ^ assemblyString, System::Security::Policy::Evidence ^ assemblySecurity);

public System.Reflection.Assembly Load(string assemblyString, System.Security.Policy.Evidence assemblySecurity);

[System.Obsolete("Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of Load which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information.")]
public System.Reflection.Assembly Load(string assemblyString, System.Security.Policy.Evidence assemblySecurity);

abstract member Load : string * System.Security.Policy.Evidence -> System.Reflection.Assembly
override this.Load : string * System.Security.Policy.Evidence -> System.Reflection.Assembly

[<System.Obsolete("Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of Load which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information.")>]
abstract member Load : string * System.Security.Policy.Evidence -> System.Reflection.Assembly
override this.Load : string * System.Security.Policy.Evidence -> System.Reflection.Assembly

Public Function Load (assemblyString As String, assemblySecurity As Evidence) As Assembly

參數

assemblyString: String

集合的顯示名稱。參見 FullName。

assemblySecurity: Evidence

裝填組件的證據。

傳回

Assembly

裝填組件。

實作

Load(String, Evidence)

屬性: ObsoleteAttribute

例外狀況

ArgumentNullException

assemblyString 是 null

FileNotFoundException

找不到 assemblyString。

BadImageFormatException

assemblyString 在目前載入的執行時中，不是一個有效的組合語言。

AppDomainUnloadedException

此操作嘗試在未載入的應用程式域上執行。

FileLoadException

元件或模組已載入兩次，並具有兩個不同的辨識項。

備註

關於此方法所有超載共有的資訊，請參見方法過載。Load(AssemblyName)

適用於

Load(Byte[], Byte[], Evidence)

警告

載入 Assembly 基於通用物件檔案格式（COFF）的影像，包含一個已發射 Assembly的。代表符號 Assembly 的原始位元組也會被載入。

public:
 virtual System::Reflection::Assembly ^ Load(cli::array <System::Byte> ^ rawAssembly, cli::array <System::Byte> ^ rawSymbolStore, System::Security::Policy::Evidence ^ securityEvidence);

public System.Reflection.Assembly Load(byte[] rawAssembly, byte[] rawSymbolStore, System.Security.Policy.Evidence securityEvidence);

[System.Obsolete("Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of Load which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkId=155570 for more information.")]
public System.Reflection.Assembly Load(byte[] rawAssembly, byte[] rawSymbolStore, System.Security.Policy.Evidence securityEvidence);

abstract member Load : byte[] * byte[] * System.Security.Policy.Evidence -> System.Reflection.Assembly
override this.Load : byte[] * byte[] * System.Security.Policy.Evidence -> System.Reflection.Assembly

[<System.Obsolete("Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Please use an overload of Load which does not take an Evidence parameter. See http://go.microsoft.com/fwlink/?LinkId=155570 for more information.")>]
abstract member Load : byte[] * byte[] * System.Security.Policy.Evidence -> System.Reflection.Assembly
override this.Load : byte[] * byte[] * System.Security.Policy.Evidence -> System.Reflection.Assembly

Public Function Load (rawAssembly As Byte(), rawSymbolStore As Byte(), securityEvidence As Evidence) As Assembly

參數

rawAssembly: Byte[]

一個型態 byte 為 COFF 基礎的映像，包含一個已發射的組裝體。

rawSymbolStore: Byte[]

一個型別 byte 的陣列，包含代表組合語言符號的原始位元組。

securityEvidence: Evidence

裝填組件的證據。

傳回

Assembly

裝填組件。

實作

Load(Byte[], Byte[], Evidence)

屬性: ObsoleteAttribute

例外狀況

ArgumentNullException

rawAssembly 是 null。

BadImageFormatException

rawAssembly 在目前載入的執行時中，不是一個有效的組合語言。

AppDomainUnloadedException

此操作嘗試在未載入的應用程式域上執行。

FileLoadException

元件或模組已載入兩次，並具有兩個不同的辨識項。

NotSupportedException

securityEvidence 不是 null。當未啟用舊有 CAS 政策時， securityEvidence 應該會啟用 null。

備註

關於此方法所有超載共有的資訊，請參見方法過載。Load(AssemblyName)

從 .NET Framework 4 開始，使用此方法載入的組合套件的信任等級與應用程式域的信任等級相同。

適用於

意見反應

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