static void Main(string[] args)
{
Console.WriteLine("*** Fun with intarface name calshes ***\n");
Octagon oct = new Octagon();
IDrowToForm idtf = (IDrowToForm)oct;
idtf.Draw();
IDrawToMemory idtm = (IDrawToMemory)oct;
idtm.Draw();
IDrawToPrinter idtp = (IDrawToPrinter)oct;
idtp.Draw();
((IDrowToForm)oct).Draw();
if (oct is IDrawToPrinter dp)
{
dp.Draw();
}
Console.ReadLine();
}
static void Main(string[] args)
{
Octagon octagon = new Octagon();
IDrawToForm form = octagon;
form.Draw();
IDrawToMemory memory = octagon;
memory.Draw();
IDrawToPrinter printer = octagon;
printer.Draw();
// Сокращенная нотация, если переменная интерфейса не нужна
((IDrawToPrinter)octagon).Draw();
// Можно было бы также использовать ключевое слово as
if (octagon is IDrawToMemory)
{
((IDrawToMemory)octagon).Draw();
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Interface Name Clashes *****\n");
// All of these invocations call the
// same Draw() method.
Octagon oct = new Octagon();
IDrawToForm itfForm = (IDrawToForm)oct;
itfForm.Draw();
// Shorthand notation if you don't need
// the interface variable for later use.
((IDrawToForm)oct).Draw();
// Could also use the "is" keyword.
if (oct is IDrawToForm dtm)
{
dtm.Draw();
}
IDrawToPrinter itfPrinter = (IDrawToPrinter)oct;
itfPrinter.Draw();
IDrawToMemory itfMemory = (IDrawToMemory)oct;
itfMemory.Draw();
}
static void Main(string[] args)
{
Console.WriteLine("****** Fun with Interface Name Clashes ******\n");
// All of these invocations call
// the same Draw() method.
Octagon oct = new Octagon();
IDrawToForm itfForm = (IDrawToForm)oct;
itfForm.Draw();
IDrawToPrinter itfPrinter = (IDrawToPrinter)oct;
itfPrinter.Draw();
IDrawToMemory itfMemory = (IDrawToMemory)oct;
itfMemory.Draw();
// We now must use casting to acces the Draw() members.
Console.WriteLine();
((IDrawToPrinter)oct).Draw();
// Could also use the is keyword
if (oct is IDrawToMemory)
{
((IDrawToMemory)oct).Draw();
}
Console.ReadLine();
}
static void Main(string[] args)
{
Octagon oct = new Octagon();
IDrawToForm octF = (IDrawToForm)oct;
octF.Draw();
IDrawToMemory octM = (IDrawToMemory)octF;
octM.Draw();
IDrawToPrinter octP = (IDrawToPrinter)octF;
octM.Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Interface Name Clashes *****\n");
// All of these invocations call the
// same Draw() method!
Octagon oct = new Octagon();
//oct.Draw() is no longer available w/o cast
IDrawToForm itfForm = (IDrawToForm)oct;
itfForm.Draw();
IDrawToPrinter itfPriner = (IDrawToPrinter)oct;
itfPriner.Draw();
IDrawToMemory itfMemory = (IDrawToMemory)oct;
itfMemory.Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Interface Name Clashes *****\n");
// All of these invocations call the
// same Draw() method!
Octagon oct = new Octagon();
IDrawToForm itfForm = (IDrawToForm)oct;
itfForm.Draw();
IDrawToMemory itfMemory = (IDrawToMemory)oct;
itfMemory.Draw();
IDrawToPrinter itfPrinter = (IDrawToPrinter)oct;
itfPrinter.Draw();
// Must use casting to access the Draw() when explicitly implemented.
IDrawToForm itfForm2 = (IDrawToForm)oct;
itfForm2.Draw();
// Shorthand notation if you don't need
// the interface variable for later use.
((IDrawToMemory)oct).Draw();
// Could also use the "is" keyword.
if (oct is IDrawToPrinter)
{
((IDrawToPrinter)oct).Draw();
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Interface Name Clashes *****\n");
Octagon oct = new Octagon();
IDrawToForm itfForm = (IDrawToForm)oct;
itfForm.Draw();
/*
* ((IDrawToPrinter)oct).Draw();
*
* if (oct is IDrawToMemory)
* ((IDrawToMemory)oct).Draw();
*/
IDrawToPrinter itfPriner = (IDrawToPrinter)oct;
itfPriner.Draw();
IDrawToMemory itfMemory = (IDrawToMemory)oct;
itfMemory.Draw();
Console.ReadLine();
}