C# in Detail. Part 1: Value Types

© { JSL }

ref Parameters

·a ref parameter is an alias for the argument

wno copy takes place

wargument must be definitely assigned

wargument must be an "lvalue"

wref required on argument and parameter

static void Method(ref Suit parameter)

{

parameter = Suit.Hearts;

}

static void Main()

{

Suit arg = Suit.Clubs;

Console.Write(arg);

Method(ref arg);

Console.Write(arg);

}

Clubs

Hearts