Данная возможность позволяет создавать точно такой же класс, используя операцию равенства.
Visual C++.Net
Visual Basic.Net
CSharp
Visual C++.Net
// This is the main project file for VC++ application project
// generated using an Application Wizard.
#using <mscorlib.dll>
using namespace System;
class CMyClass
{
public:
CMyClass();
CMyClass(int ii);
CMyClass(CMyClass& ii);
int i;
};
CMyClass::CMyClass(CMyClass& ii)
{
i=ii.i;
}
CMyClass::CMyClass(int ii)
{
i=ii;
}
// This is the entry point for this application
int main(void)
{
// TODO: Please replace the sample code below with your own.
CMyClass cm(5);
CMyClass ck(0);
ck=cm;
Console::WriteLine(ck.i);
return 0;
}
Visual Basic.Net
Module Module1
Class CMyClass
Public Overloads Sub New()
End Sub
Public Overloads Sub New(ByRef ii As Integer)
i = ii
End Sub
Public Overloads Sub New(ByRef ii As CMyClass)
i = ii.i
End Sub
Public i As Integer
End Class
Sub Main()
Dim cm As New CMyClass(5)
Dim ck As New CMyClass()
ck = cm
MsgBox(ck.i)
End Sub
End Module
CSharp
namespace ConsoleApplication2
{
using System;
class CMyClass
{
public CMyClass()
{
}
public CMyClass(int ii)
{
i=ii;
}
public CMyClass(CMyClass ii)
{
i=ii.i;
}
public int i=1;
}
public class Class1
{
public static int Main(string[] args)
{
CMyClass cm = new CMyClass(5);
CMyClass ck = new CMyClass();
ck=cm;
Console.WriteLine(ck.i);
return 0;
}
}
}