Visual C++ .NET/Data Type/Hex

A Hex

 
#include "stdafx.h"
using namespace System;
void main()
{
    Console::WriteLine (  0x10 ); // A Hex 10 is a base-10 16
    Console::WriteLine ( -0x10 ); // Negative Hex 10 is a base-10 -16
}

Hex literal assigned

 
#include "stdafx.h" 
using namespace System;
void main()
{
    Int64   z = 0xFEDCBA9876543210; //   
    Console::WriteLine( z );      
    Console::WriteLine( z.ToString("x") ); 
}