ILGenerator.EmitCalli Méthode

public:
 void EmitCalli(System::Reflection::Emit::OpCode opcode, System::Runtime::InteropServices::CallingConvention unmanagedCallConv, Type ^ returnType, cli::array <Type ^> ^ parameterTypes);

public:
 virtual void EmitCalli(System::Reflection::Emit::OpCode opcode, System::Runtime::InteropServices::CallingConvention unmanagedCallConv, Type ^ returnType, cli::array <Type ^> ^ parameterTypes);

public void EmitCalli(System.Reflection.Emit.OpCode opcode, System.Runtime.InteropServices.CallingConvention unmanagedCallConv, Type returnType, Type[] parameterTypes);

public virtual void EmitCalli(System.Reflection.Emit.OpCode opcode, System.Runtime.InteropServices.CallingConvention unmanagedCallConv, Type returnType, Type[] parameterTypes);

member this.EmitCalli : System.Reflection.Emit.OpCode * System.Runtime.InteropServices.CallingConvention * Type * Type[] -> unit

abstract member EmitCalli : System.Reflection.Emit.OpCode * System.Runtime.InteropServices.CallingConvention * Type * Type[] -> unit
override this.EmitCalli : System.Reflection.Emit.OpCode * System.Runtime.InteropServices.CallingConvention * Type * Type[] -> unit

Public Sub EmitCalli (opcode As OpCode, unmanagedCallConv As CallingConvention, returnType As Type, parameterTypes As Type())

Public Overridable Sub EmitCalli (opcode As OpCode, unmanagedCallConv As CallingConvention, returnType As Type, parameterTypes As Type())

Paramètres

Exemples

L’exemple de code suivant illustre l’utilisation contextuelle de la EmitCalli méthode pour appeler une méthode de type non managée externe à la classe dynamique.

MethodBuilder myMthdBuilder = myTypeBuilder.DefineMethod("MyMethod",
                  MethodAttributes.Public,
                  returnType, mthdParamTypes);
                            
// We will assume that an external unmanaged type "LegacyNumber" has been loaded, and
// that it has a method "ToString" which returns a string.

MethodInfo unmanagedMthdMI = Type.GetType("LegacyNumber").GetMethod("ToString");
ILGenerator myMthdIL = myMthdBuilder.GetILGenerator();

// Code to emit various IL opcodes here ...

// Load a reference to the specific object instance onto the stack.

myMthdIL.Emit(OpCodes.Ldc_I4, addrOfLegacyNumberObject);
myMthdIL.Emit(OpCodes.Ldobj, Type.GetType("LegacyNumber"));

// Make the call to the unmanaged type method, telling it that the method is
// the member of a specific instance, to expect a string
// as a return value, and that there are no explicit parameters.
myMthdIL.EmitCalli(OpCodes.Calli,
           System.Runtime.InteropServices.CallingConvention.ThisCall,
               typeof(string),
           new Type[] {});

// More IL code emission here ...

    Dim myMthdBuilder As MethodBuilder = myTypeBuilder.DefineMethod("MyMethod", _
                    MethodAttributes.Public, _
                    returnType, mthdParamTypes)
  
    ' We will assume that an external unmanaged type "LegacyNumber" has been loaded, and
    ' that it has a method "ToString" which returns a string.

    Dim unmanagedMthdMI As MethodInfo = Type.GetType("LegacyNumber").GetMethod("ToString")
    Dim myMthdIL As ILGenerator = myMthdBuilder.GetILGenerator()
  
    ' Code to emit various IL opcodes here ...
    ' Load a reference to the specific object instance onto the stack.

    myMthdIL.Emit(OpCodes.Ldc_I4, addrOfLegacyNumberObject)
    myMthdIL.Emit(OpCodes.Ldobj, Type.GetType("LegacyNumber"))
  
    ' Make the call to the unmanaged type method, telling it that the method is
    ' the member of a specific instance, to expect a string 
    ' as a return value, and that there are no explicit parameters.

    myMthdIL.EmitCalli(OpCodes.Calli, System.Runtime.InteropServices.CallingConvention.ThisCall, _
                  GetType(String), New Type() {})

' More IL code emission here ...

Remarques

Permet EmitCalli de placer une Calli instruction dans le flux. N’utilisez pas Emit.

public:
 void EmitCalli(System::Reflection::Emit::OpCode opcode, System::Reflection::CallingConventions callingConvention, Type ^ returnType, cli::array <Type ^> ^ parameterTypes, cli::array <Type ^> ^ optionalParameterTypes);

public:
 virtual void EmitCalli(System::Reflection::Emit::OpCode opcode, System::Reflection::CallingConventions callingConvention, Type ^ returnType, cli::array <Type ^> ^ parameterTypes, cli::array <Type ^> ^ optionalParameterTypes);

public void EmitCalli(System.Reflection.Emit.OpCode opcode, System.Reflection.CallingConventions callingConvention, Type returnType, Type[] parameterTypes, Type[] optionalParameterTypes);

public virtual void EmitCalli(System.Reflection.Emit.OpCode opcode, System.Reflection.CallingConventions callingConvention, Type returnType, Type[] parameterTypes, Type[] optionalParameterTypes);

member this.EmitCalli : System.Reflection.Emit.OpCode * System.Reflection.CallingConventions * Type * Type[] * Type[] -> unit

abstract member EmitCalli : System.Reflection.Emit.OpCode * System.Reflection.CallingConventions * Type * Type[] * Type[] -> unit
override this.EmitCalli : System.Reflection.Emit.OpCode * System.Reflection.CallingConventions * Type * Type[] * Type[] -> unit

Public Sub EmitCalli (opcode As OpCode, callingConvention As CallingConventions, returnType As Type, parameterTypes As Type(), optionalParameterTypes As Type())

Public Overridable Sub EmitCalli (opcode As OpCode, callingConvention As CallingConventions, returnType As Type, parameterTypes As Type(), optionalParameterTypes As Type())

Paramètres

Exceptions

Remarques

Permet EmitCalli de placer une Calli instruction dans le flux. N’utilisez pas Emit.

Si optionalParameterTypes vous spécifiez des arguments facultatifs, callingConvention vous devez inclure l’indicateur CallingConventions.VarArgs .