static void DoSomething(TestRef t)
{
t = new TestRef();
t.Something = "Not just a changed t, but a completely different TestRef object";
t.n = 10000000;
Console.WriteLine("in funciton DoSomething(TestRef t): " + t.ToString());
}
static void Main(string[] args)
{
// how to get an instance's class name
ChildrenClass cd = new ChildrenClass();
BaseClass bc = cd;
string className = bc.GetType().Name;
//Example 1.
// In this example, the program receives a string from the user and displays it inside a message box.
// The program uses the MessageBox method imported from the User32.dll library.
string myString;
Console.Write("Enter your message: ");
myString = Console.ReadLine();
var x = MessageBox((IntPtr)0, myString, "My Message Box", 0);
// passed by refference behaviour
TestRef t = new TestRef();
t.Something = "Foo";
t.n = 10;
Console.WriteLine("--------------------- has ref keyword -------------------------");
DoSomething(ref t);
Console.WriteLine("after funtion DoSomething(ref TestRef t): " + t.ToString());
//output
//--------------------- has ref keyword -------------------------
//In funtion DoSomething(ref TestRef t): Not just a changed t, but a completely different TestRef object,10000000
//after funtion DoSomething(ref TestRef t): Not just a changed t, but a completely different TestRef object,10000000
Console.WriteLine("");
Console.WriteLine("");
Console.WriteLine("--------------------- no ref keyword --------------------------");
t.Something = "Foo";
t.n = 10;
DoSomething(t);
Console.WriteLine("after funtion DoSomething(TestRef t): " + t.ToString());
// output
//-------------------- - no ref keyword --------------------------
//in funciton DoSomething(TestRef t): Not just a changed t, but a completely different TestRef object,10000000
//after funtion DoSomething(TestRef t): Foo,10
Console.ReadKey();
}