FieldBuilder.Name 属性
指示该字段的名称。此属性为只读。
**命名空间:**System.Reflection.Emit
**程序集:**mscorlib（在 mscorlib.dll 中）
语法
声明
Public Overrides ReadOnly Property Name As String
用法
Dim instance As FieldBuilder
Dim value As String
value = instance.Name
public override string Name { get; }
public:
virtual property String^ Name {
String^ get () override;
}
/** @property */
public String get_Name ()
public override function get Name () : String
属性值
包含该字段的名称的 String。
备注
下面的代码阐释了如何使用 Name。
Imports System
Imports System.Threading
Imports System.Reflection
Imports System.Reflection.Emit
Imports System.Security.Permissions
Public Class FieldBuilder_Sample
Private Shared Function CreateType(currentDomain As AppDomain) As Type
' Create an assembly.
Dim myAssemblyName As New AssemblyName()
myAssemblyName.Name = "DynamicAssembly"
Dim myAssembly As AssemblyBuilder = currentDomain.DefineDynamicAssembly(myAssemblyName, _
AssemblyBuilderAccess.Run)
' Create a dynamic module in Dynamic Assembly.
Dim myModuleBuilder As ModuleBuilder = myAssembly.DefineDynamicModule("MyModule")
' Define a public class named "MyClass" in the assembly.
Dim myTypeBuilder As TypeBuilder = myModuleBuilder.DefineType("MyClass", _
TypeAttributes.Public)
' Define a private String field named "MyField" in the type.
Dim myFieldBuilder As FieldBuilder = myTypeBuilder.DefineField("MyField", _
GetType(String), FieldAttributes.Private Or FieldAttributes.Static)
' Create the constructor.
Dim constructorArgs As Type() = {GetType(String)}
Dim constructor As ConstructorBuilder = _
myTypeBuilder.DefineConstructor(MethodAttributes.Public, _
CallingConventions.Standard, constructorArgs)
Dim constructorIL As ILGenerator = constructor.GetILGenerator()
constructorIL.Emit(OpCodes.Ldarg_0)
Dim superConstructor As ConstructorInfo = GetType(Object).GetConstructor(New Type() {})
constructorIL.Emit(OpCodes.Call, superConstructor)
constructorIL.Emit(OpCodes.Ldarg_0)
constructorIL.Emit(OpCodes.Ldarg_1)
constructorIL.Emit(OpCodes.Stfld, myFieldBuilder)
constructorIL.Emit(OpCodes.Ret)
' Create the MyMethod method.
Dim myMethodBuilder As MethodBuilder = myTypeBuilder.DefineMethod("MyMethod", _
MethodAttributes.Public, GetType(String), Nothing)
Dim methodIL As ILGenerator = myMethodBuilder.GetILGenerator()
methodIL.Emit(OpCodes.Ldarg_0)
methodIL.Emit(OpCodes.Ldfld, myFieldBuilder)
methodIL.Emit(OpCodes.Ret)
Console.WriteLine("Name :" + myFieldBuilder.Name)
Console.WriteLine("DeclaringType :" + myFieldBuilder.DeclaringType.ToString())
Console.WriteLine("Type :" + myFieldBuilder.FieldType.ToString())
Console.WriteLine("Token :" + myFieldBuilder.GetToken().Token.ToString())
Return myTypeBuilder.CreateType()
End Function 'CreateType
<PermissionSetAttribute(SecurityAction.Demand, Name:="FullTrust")> _
Public Shared Sub Main()
Try
Dim myType As Type = CreateType(Thread.GetDomain())
' Create an instance of the "HelloWorld" class.
Dim helloWorld As Object = Activator.CreateInstance(myType, New Object() {"HelloWorld"})
' Invoke the "MyMethod" method of the "MyClass" class.
Dim myObject As Object = myType.InvokeMember("MyMethod", _
BindingFlags.InvokeMethod, Nothing, helloWorld, Nothing)
Console.WriteLine("MyClass.MyMethod returned: " & Microsoft.VisualBasic.Chr(34) & myObject & Microsoft.VisualBasic.Chr(34) )
Catch e as Exception
Console.WriteLine("Exception Caught "+e.Message)
End Try
End Sub 'Main
End Class 'FieldBuilder_Sample
using System;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
using System.Security.Permissions;
public class FieldBuilder_Sample
{
private static Type CreateType(AppDomain currentDomain)
{
// Create an assembly.
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "DynamicAssembly";
AssemblyBuilder myAssembly =
currentDomain.DefineDynamicAssembly(myAssemblyName,AssemblyBuilderAccess.Run);
// Create a dynamic module in Dynamic Assembly.
ModuleBuilder myModuleBuilder=myAssembly.DefineDynamicModule("MyModule");
// Define a public class named "MyClass" in the assembly.
TypeBuilder myTypeBuilder= myModuleBuilder.DefineType("MyClass",TypeAttributes.Public);
// Define a private String field named "MyField" in the type.
FieldBuilder myFieldBuilder= myTypeBuilder.DefineField("MyField",
typeof(string),FieldAttributes.Private|FieldAttributes.Static);
// Create the constructor.
Type[] constructorArgs = { typeof(String) };
ConstructorBuilder constructor = myTypeBuilder.DefineConstructor(
MethodAttributes.Public, CallingConventions.Standard, constructorArgs);
ILGenerator constructorIL = constructor.GetILGenerator();
constructorIL.Emit(OpCodes.Ldarg_0);
ConstructorInfo superConstructor = typeof(Object).GetConstructor(new Type[0]);
constructorIL.Emit(OpCodes.Call, superConstructor);
constructorIL.Emit(OpCodes.Ldarg_0);
constructorIL.Emit(OpCodes.Ldarg_1);
constructorIL.Emit(OpCodes.Stfld, myFieldBuilder);
constructorIL.Emit(OpCodes.Ret);
// Create the MyMethod method.
MethodBuilder myMethodBuilder= myTypeBuilder.DefineMethod("MyMethod",
MethodAttributes.Public,typeof(String),null);
ILGenerator methodIL = myMethodBuilder.GetILGenerator();
methodIL.Emit(OpCodes.Ldarg_0);
methodIL.Emit(OpCodes.Ldfld, myFieldBuilder);
methodIL.Emit(OpCodes.Ret);
Console.WriteLine("Name :"+myFieldBuilder.Name);
Console.WriteLine("DeclaringType :"+myFieldBuilder.DeclaringType);
Console.WriteLine("Type :"+myFieldBuilder.FieldType);
Console.WriteLine("Token :"+myFieldBuilder.GetToken().Token);
return myTypeBuilder.CreateType();
}
[PermissionSetAttribute(SecurityAction.Demand, Name="FullTrust")]
public static void Main()
{
try
{
Type myType = CreateType(Thread.GetDomain());
// Create an instance of the "HelloWorld" class.
Object helloWorld = Activator.CreateInstance(myType, new Object[] { "HelloWorld" });
// Invoke the "MyMethod" method of the "MyClass" class.
Object myObject = myType.InvokeMember("MyMethod",
BindingFlags.InvokeMethod, null, helloWorld, null);
Console.WriteLine("MyClass.MyMethod returned: \"" + myObject + "\"");
}
catch( Exception e)
{
Console.WriteLine("Exception Caught "+e.Message);
}
}
}
using namespace System;
using namespace System::Threading;
using namespace System::Reflection;
using namespace System::Reflection::Emit;
Type^ CreateType( AppDomain^ currentDomain )
{
// Create an assembly.
AssemblyName^ myAssemblyName = gcnew AssemblyName;
myAssemblyName->Name = "DynamicAssembly";
AssemblyBuilder^ myAssembly = currentDomain->DefineDynamicAssembly( myAssemblyName, AssemblyBuilderAccess::Run );
// Create a dynamic module in Dynamic Assembly.
ModuleBuilder^ myModuleBuilder = myAssembly->DefineDynamicModule( "MyModule" );
// Define a public class named S"MyClass" in the assembly.
TypeBuilder^ myTypeBuilder = myModuleBuilder->DefineType( "MyClass", TypeAttributes::Public );
// Define a private String field named S"MyField" in the type.
FieldBuilder^ myFieldBuilder = myTypeBuilder->DefineField( "MyField", String::typeid, static_cast<FieldAttributes>(FieldAttributes::Private | FieldAttributes::Static) );
// Create the constructor.
array<Type^>^constructorArgs = {String::typeid};
ConstructorBuilder^ constructor = myTypeBuilder->DefineConstructor( MethodAttributes::Public, CallingConventions::Standard, constructorArgs );
ILGenerator^ constructorIL = constructor->GetILGenerator();
constructorIL->Emit( OpCodes::Ldarg_0 );
ConstructorInfo^ superConstructor = Object::typeid->GetConstructor( gcnew array<Type^>(0) );
constructorIL->Emit( OpCodes::Call, superConstructor );
constructorIL->Emit( OpCodes::Ldarg_0 );
constructorIL->Emit( OpCodes::Ldarg_1 );
constructorIL->Emit( OpCodes::Stfld, myFieldBuilder );
constructorIL->Emit( OpCodes::Ret );
// Create the MyMethod method.
MethodBuilder^ myMethodBuilder = myTypeBuilder->DefineMethod( "MyMethod", MethodAttributes::Public, String::typeid, nullptr );
ILGenerator^ methodIL = myMethodBuilder->GetILGenerator();
methodIL->Emit( OpCodes::Ldarg_0 );
methodIL->Emit( OpCodes::Ldfld, myFieldBuilder );
methodIL->Emit( OpCodes::Ret );
Console::WriteLine( "Name : {0}", myFieldBuilder->Name );
Console::WriteLine( "DeclaringType : {0}", myFieldBuilder->DeclaringType );
Console::WriteLine( "Type : {0}", myFieldBuilder->FieldType );
Console::WriteLine( "Token : {0}", myFieldBuilder->GetToken().Token );
return myTypeBuilder->CreateType();
}
int main()
{
try
{
Type^ myType = CreateType( Thread::GetDomain() );
// Create an instance of the S"HelloWorld" class.
array<Object^>^type = {"HelloWorld"};
Object^ helloWorld = Activator::CreateInstance( myType, type );
// Invoke the S"MyMethod" method of the S"MyClass" class.
Object^ myObject = myType->InvokeMember( "MyMethod", BindingFlags::InvokeMethod, nullptr, helloWorld, nullptr );
Console::WriteLine( "MyClass::MyMethod returned: \"{0}\"", myObject );
}
catch ( Exception^ e )
{
Console::WriteLine( "Exception Caught {0}", e->Message );
}
}
平台
Windows 98、Windows 2000 SP4、Windows Millennium Edition、Windows Server 2003、Windows XP Media Center Edition、Windows XP Professional x64 Edition、Windows XP SP2、Windows XP Starter Edition
.NET Framework 并不是对每个平台的所有版本都提供支持。有关受支持版本的列表，请参见系统要求。
版本信息
.NET Framework
受以下版本支持：2.0、1.1、1.0