public static void Main7()
{
CheckLengthOfString d = LessThanFive;
d += MoreThanFive;
d += ExactlyFive;
//List<bool> results = new List<bool>();
//foreach (var del in d.GetInvocationList())
//{
// results.Add((bool)del.DynamicInvoke("Message"));
// Console.WriteLine(string.Join(", ", results));
//}
// List<bool> results = d.GetInvocationList().Select(del => (bool)del.DynamicInvoke("Message")).ToList();
GetLengths g = x => x.Length;
g += x => x.Length + 2;
g += x => x.Length + 1;
List <bool> results = GottaCatchEmAll <bool>(d, "Message");
List <int> lengths = GottaCatchEmAll <int>(g, "Message");
Console.WriteLine(string.Join(", ", results));
Console.WriteLine(string.Join(", ", lengths));
Console.ReadKey();
}
static void Main()
{
// Chain methods in a Delegate
CheckLengthOfString d = LessThanFive;
d += MoreThanFive;
d += ExactlyFive;
// Invoke the delegate, no output and no return values were caught
d("Message");
Console.WriteLine(new string('-', 40));
// Catch all results with a ForEach loop
List <bool> results = new List <bool>();
foreach (var del in d.GetInvocationList())
{
results.Add((bool)del.DynamicInvoke("Message"));
}
Console.WriteLine("Foreach loop results: " + string.Join(", ", results));
// Catch all results with a Lambda Expression
Console.WriteLine(new string('-', 40));
List <bool> lambdaResults = d.GetInvocationList()
.Select(del => (bool)del.DynamicInvoke("Message"))
.ToList();
Console.WriteLine("LINQ Lambda Results: " + string.Join(", ", lambdaResults));
}
static void Main()
{
// Chain methods in a Delegate
CheckLengthOfString d = LessThanFive;
d += MoreThanFive;
d += ExactlyFive;
// Invoke the delegate, no output and no return values were caught
d("Message");
Console.WriteLine(new string('-', 40));
List <bool> boolResults = CatchAllResults <bool>(d, "Message");
Console.WriteLine(string.Join(", ", boolResults));
GetLength p = x => x.Length;
p += x => x.Length + 1;
p += x => x.Length + 2;
List <int> lengths = CatchAllResults <int>(p, "asd");
Console.WriteLine(string.Join(", ", lengths));
}
public static void Test()
{
#region Lecture1
Printer p = Print;
p += Print;
p += PrintTwice;
p += Print;
p += PrintTwice;
p += Print;
p -= Print;
p("Message");
Delegate[] delegates = p.GetInvocationList();
foreach (var del in delegates)
{
//Console.WriteLine(del.Method);
}
#endregion Lecture1
#region Lecture2
CheckLengthOfString d = LessThanFive;
d += MoreThanFive;
d += ExactlyFive;
/* Hard Way
* List<bool> results = new List<bool>();
*
* foreach(var del in d.GetInvocationList())
* {
* results.Add((bool)del.DynamicInvoke("Message"));
* }
*/
/* Static Way
* List<bool> results = d.GetInvocationList().Select(del => (bool)del.DynamicInvoke("Message")).ToList();
*/
/* Generic Way */
List <bool> results = GottaCatchEmAll <bool>(d, "Message");
Console.WriteLine(string.Join(", ", results));
GetLengths g = x => x.Length;
g += x => x.Length + 1;
g += x => x.Length + 2;
List <int> lengths = GottaCatchEmAll <int>(g, "Message");
Console.WriteLine(string.Join(", ", g));
Console.WriteLine(d("Message"));
#endregion Lecture2
#region Lecture 3
Action <string> printer = Print;
printer += PrintTwice;
printer("Message");
#endregion Lecture 3
}
