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Ruft einen Verweis auf das Type-Objekt für den Typ ab, der diesen Member deklariert.
Namespace: System.Reflection.Emit
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
Public Overrides ReadOnly Property DeclaringType As Type
'Usage
Dim instance As ConstructorBuilder
Dim value As Type
value = instance.DeclaringType
public override Type DeclaringType { get; }
public:
virtual property Type^ DeclaringType {
Type^ get () override;
}
/** @property */
public Type get_DeclaringType ()
public override function get DeclaringType () : Type
Eigenschaftenwert
Gibt das Type-Objekt für den Typ zurück, der diesen Member deklariert.
Hinweise
Ein Member einer Klasse (oder Schnittstelle) wird entweder deklariert oder von einer Basisklasse (oder Basisschnittstelle) geerbt.
Im folgenden Codebeispiel wird die Verwendung von DeclaringType veranschaulicht.
Dim myMethodBuilder As MethodBuilder = Nothing
Dim myCurrentDomain As AppDomain = AppDomain.CurrentDomain
' Create assembly in current CurrentDomain
Dim myAssemblyName As New AssemblyName()
myAssemblyName.Name = "TempAssembly"
' Create a dynamic assembly
myAssemblyBuilder = _
myCurrentDomain.DefineDynamicAssembly(myAssemblyName, AssemblyBuilderAccess.RunAndSave)
' Create a dynamic module in the assembly.
myModuleBuilder = myAssemblyBuilder.DefineDynamicModule("TempModule")
Dim myFieldInfo As FieldInfo = _
myModuleBuilder.DefineUninitializedData("myField", 2, FieldAttributes.Public)
' Create a type in the module
Dim myTypeBuilder As TypeBuilder = _
myModuleBuilder.DefineType("TempClass", TypeAttributes.Public)
Dim myGreetingField As FieldBuilder = _
myTypeBuilder.DefineField("Greeting", GetType(String), FieldAttributes.Public)
Dim myConstructorArgs As Type() = {GetType(String)}
' Define a constructor of the dynamic class.
Dim myConstructor As ConstructorBuilder = _
myTypeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, _
myConstructorArgs)
Dim myPset As New PermissionSet(PermissionState.Unrestricted)
' Add declarative security to the constructor.
Console.WriteLine("Adding declarative security to the constructor.....")
Console.WriteLine("The Security action to be taken is ""DENY"" and" + _
" Permission set is ""UNRESTRICTED"".")
myConstructor.AddDeclarativeSecurity(SecurityAction.Deny, myPset)
Dim myMethodAttributes As MethodAttributes = myConstructor.Attributes
Dim myAttributeType As Type = GetType(MethodAttributes)
Dim myAttribValue As Integer = CInt(myMethodAttributes)
If Not myAttributeType.IsEnum Then
Console.WriteLine("This is not an Enum")
End If
Dim myFieldInfo1 As FieldInfo() = myAttributeType.GetFields(BindingFlags.Public Or _
BindingFlags.Static)
Console.WriteLine("The Field info names of the Attributes for the constructor are:")
Dim i As Integer
For i = 0 To myFieldInfo1.Length - 1
Dim myFieldValue As Integer = CType(myFieldInfo1(i).GetValue(Nothing), Int32)
If(myFieldValue And myAttribValue) = myFieldValue Then
Console.WriteLine(" " + myFieldInfo1(i).Name)
End If
Next i
Dim myType2 As Type = myConstructor.DeclaringType
Console.WriteLine("The declaring type is : " + myType2.ToString())
MethodBuilder myMethodBuilder=null;
AppDomain myCurrentDomain = AppDomain.CurrentDomain;
// Create assembly in current CurrentDomain
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "TempAssembly";
// Create a dynamic assembly
myAssemblyBuilder = myCurrentDomain.DefineDynamicAssembly
(myAssemblyName, AssemblyBuilderAccess.RunAndSave);
// Create a dynamic module in the assembly.
myModuleBuilder = myAssemblyBuilder.DefineDynamicModule("TempModule");
FieldInfo myFieldInfo =
myModuleBuilder.DefineUninitializedData("myField",2,FieldAttributes.Public);
// Create a type in the module
TypeBuilder myTypeBuilder = myModuleBuilder.DefineType("TempClass",TypeAttributes.Public);
FieldBuilder myGreetingField = myTypeBuilder.DefineField("Greeting",
typeof(String), FieldAttributes.Public);
Type[] myConstructorArgs = { typeof(String) };
// Define a constructor of the dynamic class.
ConstructorBuilder myConstructor = myTypeBuilder.DefineConstructor(
MethodAttributes.Public, CallingConventions.Standard, myConstructorArgs);
PermissionSet myPset = new PermissionSet(PermissionState.Unrestricted);
// Add declarative security to the constructor.
Console.WriteLine("Adding declarative security to the constructor.....");
Console.WriteLine("The Security action to be taken is \"DENY\" and" +
" Permission set is \"UNRESTRICTED\".");
myConstructor.AddDeclarativeSecurity(SecurityAction.Deny,myPset);
MethodAttributes myMethodAttributes = myConstructor.Attributes;
Type myAttributeType = typeof(MethodAttributes);
int myAttribValue = (int) myMethodAttributes;
if(! myAttributeType.IsEnum)
{
Console.WriteLine("This is not an Enum");
}
FieldInfo[] myFieldInfo1 = myAttributeType.GetFields(BindingFlags.Public | BindingFlags.Static);
Console.WriteLine("The Field info names of the Attributes for the constructor are:");
for (int i = 0; i < myFieldInfo1.Length; i++)
{
int myFieldValue = (Int32)myFieldInfo1[i].GetValue(null);
if ((myFieldValue & myAttribValue) == myFieldValue)
{
Console.WriteLine(" " + myFieldInfo1[i].Name);
}
}
Type myType2 = myConstructor.DeclaringType;
Console.WriteLine("The declaring type is : "+myType2.ToString());
MethodBuilder^ myMethodBuilder = nullptr;
AppDomain^ myCurrentDomain = AppDomain::CurrentDomain;
// Create assembly in current CurrentDomain
AssemblyName^ myAssemblyName = gcnew AssemblyName;
myAssemblyName->Name = "TempAssembly";
// Create a dynamic assembly
myAssemblyBuilder = myCurrentDomain->DefineDynamicAssembly(
myAssemblyName, AssemblyBuilderAccess::RunAndSave );
// Create a dynamic module in the assembly.
myModuleBuilder = myAssemblyBuilder->DefineDynamicModule( "TempModule" );
FieldInfo^ myFieldInfo =
myModuleBuilder->DefineUninitializedData( "myField", 2, FieldAttributes::Public );
// Create a type in the module
TypeBuilder^ myTypeBuilder = myModuleBuilder->DefineType( "TempClass", TypeAttributes::Public );
FieldBuilder^ myGreetingField = myTypeBuilder->DefineField( "Greeting",
String::typeid, FieldAttributes::Public );
array<Type^>^myConstructorArgs = {String::typeid};
// Define a constructor of the dynamic class.
ConstructorBuilder^ myConstructor = myTypeBuilder->DefineConstructor(
MethodAttributes::Public, CallingConventions::Standard, myConstructorArgs );
PermissionSet^ myPset = gcnew PermissionSet( PermissionState::Unrestricted );
// Add declarative security to the constructor.
Console::WriteLine( "Adding declarative security to the constructor....." );
Console::WriteLine( "The Security action to be taken is \"DENY\" and" +
" Permission set is \"UNRESTRICTED\"." );
myConstructor->AddDeclarativeSecurity( SecurityAction::Deny, myPset );
MethodAttributes myMethodAttributes = myConstructor->Attributes;
Type^ myAttributeType = MethodAttributes::typeid;
int myAttribValue = (int)myMethodAttributes;
if ( !myAttributeType->IsEnum )
{
Console::WriteLine( "This is not an Enum" );
}
array<FieldInfo^>^myFieldInfo1 = myAttributeType->GetFields( static_cast<BindingFlags>(BindingFlags::Public | BindingFlags::Static) );
Console::WriteLine( "The Field info names of the Attributes for the constructor are:" );
for ( int i = 0; i < myFieldInfo1->Length; i++ )
{
int myFieldValue = *dynamic_cast<Int32^>(myFieldInfo1[ i ]->GetValue( nullptr ));
if ( (myFieldValue & myAttribValue) == myFieldValue )
{
Console::WriteLine( " {0}", myFieldInfo1[ i ]->Name );
}
}
Type^ myType2 = myConstructor->DeclaringType;
Console::WriteLine( "The declaring type is : {0}", myType2 );
Plattformen
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 unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
Siehe auch
Referenz
ConstructorBuilder-Klasse
ConstructorBuilder-Member
System.Reflection.Emit-Namespace