Type.IsMarshalByRefImpl Method

Definition

Namespace:

System

Assembly:

System.Runtime.dll

Source:

Type.cs

Implements the IsMarshalByRef property and determines whether the Type is marshaled by reference.

protected:
 virtual bool IsMarshalByRefImpl();

protected virtual bool IsMarshalByRefImpl ();

abstract member IsMarshalByRefImpl : unit -> bool
override this.IsMarshalByRefImpl : unit -> bool

Protected Overridable Function IsMarshalByRefImpl () As Boolean

Returns

Boolean

true if the Type is marshaled by reference; otherwise, false.

Examples

The following example determines whether the given type is marshaled by reference and displays the result.

using namespace System;
using namespace System::Reflection;
public ref class MyTypeDelegatorClass: public TypeDelegator
{
public:
   String^ myElementType;

private:
   Type^ myType;

public:
   MyTypeDelegatorClass( Type^ myType )
      : TypeDelegator( myType )
   {
      this->myType = myType;
   }

protected:

   // Override IsMarshalByRefImpl.
   virtual bool IsMarshalByRefImpl() override
   {
      // Determine whether the type is marshalled by reference.
      if ( myType->IsMarshalByRef )
      {
         myElementType = " marshalled by reference";
         return true;
      }

      return false;
   }
};

public ref class MyTypeDemoClass{};


// This class is used to demonstrate the IsMarshalByRefImpl method.
public ref class MyContextBoundClass: public ContextBoundObject
{
public:
   String^ myString;
};

int main()
{
   try
   {
      MyTypeDelegatorClass^ myType;
      Console::WriteLine( "Determine whether MyContextBoundClass is marshalled by reference." );
      
      // Determine whether MyContextBoundClass type is marshalled by reference.
      myType = gcnew MyTypeDelegatorClass( MyContextBoundClass::typeid );
      if ( myType->IsMarshalByRef )
      {
         Console::WriteLine( "{0} is marshalled by reference.", MyContextBoundClass::typeid );
      }
      else
      {
         Console::WriteLine( "{0} is not marshalled by reference.", MyContextBoundClass::typeid );
      }
      
      // Determine whether int type is marshalled by reference.
      myType = gcnew MyTypeDelegatorClass( int::typeid );
      Console::WriteLine( "\nDetermine whether int is marshalled by reference." );
      if ( myType->IsMarshalByRef )
      {
         Console::WriteLine( "{0} is marshalled by reference.", int::typeid );
      }
      else
      {
         Console::WriteLine( "{0} is not marshalled by reference.", int::typeid );
      }
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "Exception: {0}", e->Message );
   }
}

using System;
using System.Reflection;
public class MyTypeDelegatorClass : TypeDelegator
{
    public string myElementType = null;
    private Type myType = null ;
    public MyTypeDelegatorClass(Type myType) : base(myType)
    {
        this.myType = myType;
    }
    // Override IsMarshalByRefImpl.
    protected override bool IsMarshalByRefImpl()
    {
        // Determine whether the type is marshalled by reference.
        if(myType.IsMarshalByRef)
        {
            myElementType = " marshalled by reference";
            return true;
        }
        return false;
    }
}
public class MyTypeDemoClass
{
    public static void Main()
    {
        try
        {
            MyTypeDelegatorClass myType;
            Console.WriteLine ("Determine whether MyContextBoundClass is marshalled by reference.");
            // Determine whether MyContextBoundClass type is marshalled by reference.
            myType = new MyTypeDelegatorClass(typeof(MyContextBoundClass));
            if( myType.IsMarshalByRef )
            {
                Console.WriteLine(typeof(MyContextBoundClass) + " is marshalled by reference.");
            }
            else
            {
                Console.WriteLine(typeof(MyContextBoundClass) + " is not marshalled by reference.");
            }

            // Determine whether int type is marshalled by reference.
            myType = new MyTypeDelegatorClass(typeof(int));
            Console.WriteLine ("\nDetermine whether int is marshalled by reference.");
            if( myType.IsMarshalByRef)
            {
                Console.WriteLine(typeof(int) + " is marshalled by reference.");
            }
            else
            {
                Console.WriteLine(typeof(int) + " is not marshalled by reference.");
            }
        }
        catch( Exception e )
        {
            Console.WriteLine("Exception: {0}", e.Message);
        }
    }
}
// This class is used to demonstrate the IsMarshalByRefImpl method.
public class MyContextBoundClass : ContextBoundObject
{
    public string myString = "This class is used to demonstrate members of the Type class.";
}

open System
open System.Reflection

// This class is used to demonstrate the IsMarshalByRefImpl method.
type MyContextBoundClass() =
    inherit ContextBoundObject()
    let myString = "This class is used to demonstrate members of the Type class."

type MyTypeDelegatorClass(myType) =
    inherit TypeDelegator(myType)
    [<DefaultValue>]    
    val mutable public myElementType : string

    // Override IsMarshalByRefImpl.
    override this.IsMarshalByRefImpl() =
        // Determine whether the type is marshalled by reference.
        if myType.IsMarshalByRef then
            this.myElementType <- " marshalled by reference"
            true
        else false

try
    printfn "Determine whether MyContextBoundClass is marshalled by reference."
    // Determine whether MyContextBoundClass type is marshalled by reference.
    let myType = MyTypeDelegatorClass typeof<MyContextBoundClass>
    if myType.IsMarshalByRef then
        printfn $"{typeof<MyContextBoundClass>} is marshalled by reference."
    else
        printfn $"{typeof<MyContextBoundClass>} is not marshalled by reference."

    // Determine whether int type is marshalled by reference.
    let myType = MyTypeDelegatorClass typeof<int>
    printfn "\nDetermine whether int is marshalled by reference."
    if myType.IsMarshalByRef then
        printfn $"{typeof<int>} is marshalled by reference."
    else
        printfn $"{typeof<int>} is not marshalled by reference."
with e ->
    printfn $"Exception: {e.Message}"

Imports System.Reflection

Public Class MyTypeDelegatorClass
    Inherits TypeDelegator
    Public myElementType As String = Nothing
    Private myType As Type = Nothing
    Public Sub New(ByVal myType As Type)
        MyBase.New(myType)
        Me.myType = myType
    End Sub

    ' Override IsMarshalByRefImpl.
    Protected Overrides Function IsMarshalByRefImpl() As Boolean
        ' Determine whether the type is marshalled by reference.
        If myType.IsMarshalByRef Then
            myElementType = " marshalled by reference"
            Return True
        End If
        Return False
    End Function 'IsMarshalByRefImpl
End Class

Public Class MyTypeDemoClass

    Public Shared Sub Main()
        Try
            Dim myType As MyTypeDelegatorClass
            Console.WriteLine("Determine whether MyContextBoundClass is marshalled by reference.")
            ' Determine whether MyContextBoundClass is marshalled by reference.
            myType = New MyTypeDelegatorClass(GetType(MyContextBoundClass))
            If myType.IsMarshalByRef Then
                Console.WriteLine(GetType(MyContextBoundClass).ToString() + " is marshalled by reference.")
            Else
                Console.WriteLine(GetType(MyContextBoundClass).ToString() + " is not marshalled by reference.")
            End If

            ' Determine whether int is marshalled by reference.
            myType = New MyTypeDelegatorClass(GetType(Integer))
            Console.WriteLine(ControlChars.NewLine + "Determine whether int is marshalled by reference.")
            If myType.IsMarshalByRef Then
                Console.WriteLine(GetType(Integer).ToString() + " is marshalled by reference.")
            Else
                Console.WriteLine(GetType(Integer).ToString() + " is not marshalled by reference.")
            End If
        Catch e As Exception
            Console.WriteLine("Exception: {0}", e.Message.ToString())
        End Try
    End Sub
End Class

' This class is used to demonstrate 'IsMarshalByRefImpl' method.
Public Class MyContextBoundClass
    Inherits ContextBoundObject
    Public myString As String = "This class is used to demonstrate members of the Type class."
End Class

Remarks

This method can be overridden by a derived class.

See also

• IsMarshalByRef