static void DoWork()
{
int i = 0;
Console.WriteLine(i);
Pass.Value(ref i);
Console.WriteLine(i);
WrappedInt wi = new WrappedInt();
Console.WriteLine(wi.Number);
Pass.Reference(wi);
Console.WriteLine(wi.Number);
}
public static void Reference(WrappedInt param)
{
param.Number = 42;
}