C++/CLI とVB/C#の相違

naohiro19
記事: 256
登録日時: 15年前
住所: 愛知県

C++/CLI とVB/C#の相違

投稿記事 by naohiro19 » 13年前

CODE:

#using 
using namespace System;

int main(array ^args)
{
    String^ s1 = "abc";
	String^ s2 = "ab" + "c";
	Object^ o1 = s1;
	Object^ o2 = s2;
	Console::WriteLine("{0}", s1 == s2 );
	Console::WriteLine("{0}", o1 == o2 );
    return 0;
}

CODE:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace TestApplication
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = "abc";
            string s2 = "ab" + "c";
            object o1 = s1;
            object o2 = s2;
            Console.WriteLine("{0}", s1 == s2);
            Console.WriteLine("{0}", o1 == o2);
        }
    }
}

CODE:

Module Module1

    Sub Main()
        Dim s1 As String = "abc"
        Dim s2 As String = "ab" + "c"
        Dim o1 As Object = s1
        Dim o2 As Object = s2
        Console.WriteLine("{0}", s1 = s2)
        Console.WriteLine("{0}", o1 = o2)

    End Sub
End Module
C#とVBではobject型は同じでo1 と o2は 両方とも Trueが返りますが、C++/CLIは 別扱いのようで Falseが返ります。

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