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Delegates.dib
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Delegates.dib
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#!csharp
delegate void Example(string data);
void Test1(string data)
{
Console.WriteLine($"Test1: {data}");
}
void Test2(string data)
{
Console.WriteLine($"Test2: {data}");
}
#!csharp
Example d = Test1;
d("Testing");
#!csharp
//Example d = Test2;
//d("Testing");
void Testing(string data, Example innerMethod)
{
Console.WriteLine("Before");
innerMethod(data);
Console.WriteLine("After");
}
Testing("One", Test1);
Testing("One", Test2);
string Test3(string data)
{
Console.WriteLine($"Test3: {data}");
return data;
}
void Testing2(string data)
{
Console.WriteLine("|Before");
Console.WriteLine(data);
Test3(data);
Console.WriteLine("|After");
}
Testing2(Test3("One"));
#!csharp
Example d = Test1;
d += Test2;
d("Testing");
#!csharp
Example d = Test1;
d += Test2;
d += Test2;
d("Testing");
#!csharp
delegate int Example2(int a, int b);
int Add(int a, int b)
{
Console.WriteLine("Add");
return a + b;
}
int Mul(int a, int b)
{
Console.WriteLine("Mul");
return a * b;
}
Example2 d2 = Add;
int result = d2(5, 6);
Console.WriteLine(result);
#!csharp
d2 = Mul;
d2 += Add;
d2 += Mul;
Console.WriteLine(d2(2, 3));
#!csharp
d2 = (a, b) => a + b * a;
Console.WriteLine(d2(3, 4));
int Noname1(int a, int b)
{
return a + b * a;
}
d2 = Noname1;
Console.WriteLine(d2(3, 4));
var data = new[] { 1, 2, 8, 7};
Func<int, bool> del = d => d > 1 && d < 8;
display(data.Where(del));
display(data.Where(d => d > 1 && d < 8));