static void Main()
{
ObjectRetriever o = new ObjectRetriever(RetrieveString);
object result = o();
Console.WriteLine(result);
}
public static void DelegatesTests()
{
Transformer t = Square; // Create delegate instance
Transformer t2 = new Transformer(Square);
int result = t(3); // Invoke delegate
result = t2.Invoke(3); // Invoke delegate
int[] values = { 1, 2, 3 };
Transform(values, Square);
Transform2(values, Square);
Transformer <double> s = Square;
Console.WriteLine(s(3.3));
D1 d1 = Method1;
//D2 d2 = d1 // Compile-time error
D2 d2 = new D2(d1);
ObjectRetriever o = new ObjectRetriever(GetString);
object result2 = o();
Console.WriteLine(result2);
StringAction sa = new StringAction(ActOnObject);
sa("hello");
Func <string> x = GetString;
Func <object> y = x;
Console.WriteLine(y);
Action <object> x1 = ActOnObject;
Action <string> y2 = x1;
}
static void Main(string[] args)
{
// input more specific parameter types than the delegate target
StringAction sa = new StringAction(ActOnObject);
sa("hello");
// return a more specific type than described by the delegate
ObjectRetriever o = new ObjectRetriever(RetriveString);
object result = o();
Console.WriteLine(result);
}
public static void StartTest()
{
ObjectRetriever о = new ObjectRetriever(GetString);
object result = о();
Console.WriteLine(result); // !hello
double[] values = { 3.4, 1.6, 5.9 };
Console.Write("DelegateTest\n---------\nValues before: ");
foreach (double v in values)
{
Console.Write(v + " ");
}
Transform <double>(values, Square);
Console.Write("\nValues after: ");
foreach (double v in values)
{
Console.Write(v + " ");
}
}
