Delegate: GetInvocationList

using System;

public delegate double Compute( double x, double y );

public class Processor
{
public double Add( double x, double y ) {
double result = x + y;
Console.WriteLine( "InstanceResults: {0}", result );
return result;
}

public static double Subtract( double x, double y ) {
double result = x-y;
Console.WriteLine( "StaticResult: {0}", result );
return result;
}
}

public class MainClass
{
static void Main() {
Processor proc1 = new Processor( );
Processor proc2 = new Processor( );

Compute[] delegates = new Compute[] {
new Compute( proc1.Add ),
new Compute( proc2.Add ),
new Compute( Processor.Subtract )
};

Compute chained = (Compute) Delegate.Combine( delegates );
Delegate[] chain = chained.GetInvocationList();


for( int i = 0; i < chain.Length; ++i ) {
Compute current = (Compute) chain[i];
Console.WriteLine(current( 4, 5 ));
}


}
}

Result :

InstanceResults: 9
9
InstanceResults: 9
9
StaticResult: -1
-1

Track URL : http://www.java2s.com/Tutorial/CSharp/0180__delegate/DelegateGetInvocationList.htm