MethodBuilder.SetMarshal(UnmanagedMarshal) Método

Definição

Namespace:

System.Reflection.Emit

Assembly:

mscorlib.dll

Cuidado

An alternate API is available: Emit the MarshalAs custom attribute instead. http://go.microsoft.com/fwlink/?linkid=14202

Cuidado

An alternate API is available: Emit the MarshalAs custom attribute instead.

Define informações de marshaling para o tipo retornado desse método.

public:
 void SetMarshal(System::Reflection::Emit::UnmanagedMarshal ^ unmanagedMarshal);

public void SetMarshal (System.Reflection.Emit.UnmanagedMarshal unmanagedMarshal);

[System.Obsolete("An alternate API is available: Emit the MarshalAs custom attribute instead. http://go.microsoft.com/fwlink/?linkid=14202")]
public void SetMarshal (System.Reflection.Emit.UnmanagedMarshal unmanagedMarshal);

[System.Obsolete("An alternate API is available: Emit the MarshalAs custom attribute instead.")]
public void SetMarshal (System.Reflection.Emit.UnmanagedMarshal unmanagedMarshal);

member this.SetMarshal : System.Reflection.Emit.UnmanagedMarshal -> unit

[<System.Obsolete("An alternate API is available: Emit the MarshalAs custom attribute instead. http://go.microsoft.com/fwlink/?linkid=14202")>]
member this.SetMarshal : System.Reflection.Emit.UnmanagedMarshal -> unit

[<System.Obsolete("An alternate API is available: Emit the MarshalAs custom attribute instead.")>]
member this.SetMarshal : System.Reflection.Emit.UnmanagedMarshal -> unit

Public Sub SetMarshal (unmanagedMarshal As UnmanagedMarshal)

Parâmetros

unmanagedMarshal

UnmanagedMarshal

Informações de marshaling para o tipo retornado deste método.

Atributos

ObsoleteAttribute

Exceções

InvalidOperationException

O tipo recipiente foi criado anteriormente usando CreateType().

- ou - Para o método atual, a propriedade IsGenericMethod é true, mas a propriedade IsGenericMethodDefinition é false.

Exemplos

O exemplo de código abaixo ilustra o uso contextual do método para efetuar marshaling dos resultados de uma chamada de SetMarshal método como um tipo diferente.

array<Type^>^ temp0 = { String::typeid };
MethodBuilder^ myMethod = myDynamicType->DefineMethod( "MyMethodReturnsMarshal",
                          MethodAttributes::Public,
                          UInt32::typeid,
                          temp0 );

// We want the return value of our dynamic method to be marshalled as
// an 64-bit (8-Byte) signed integer, instead of the default 32-bit
// unsigned int as specified above. The UnmanagedMarshal class can perform
// the type conversion.

UnmanagedMarshal^ marshalMeAsI8 = UnmanagedMarshal::DefineUnmanagedMarshal(
                                  System::Runtime::InteropServices::UnmanagedType::I8 );

myMethod->SetMarshal( marshalMeAsI8 );

MethodBuilder myMethod = myDynamicType.DefineMethod("MyMethodReturnsMarshal",
                    MethodAttributes.Public,
                    typeof(uint),
                    new Type[] { typeof(string) });

// We want the return value of our dynamic method to be marshalled as
// an 64-bit (8-byte) signed integer, instead of the default 32-bit
// unsigned int as specified above. The UnmanagedMarshal class can perform
// the type conversion.

UnmanagedMarshal marshalMeAsI8 = UnmanagedMarshal.DefineUnmanagedMarshal(
                     System.Runtime.InteropServices.UnmanagedType.I8);	

myMethod.SetMarshal(marshalMeAsI8);

Dim myMethod As MethodBuilder = myDynamicType.DefineMethod("MyMethodReturnsMarshal", _
              MethodAttributes.Public, GetType(System.UInt32), _
              New Type() {GetType(String)}) 

' We want the return value of our dynamic method to be marshalled as 
' an 64-bit (8-byte) signed integer, instead of the default 32-bit
' unsigned int as specified above. The UnmanagedMarshal class can perform
' the type conversion.

Dim marshalMeAsI8 As UnmanagedMarshal = UnmanagedMarshal.DefineUnmanagedMarshal( _
                    System.Runtime.InteropServices.UnmanagedType.I8)

myMethod.SetMarshal(marshalMeAsI8)