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What are multicast delegates ? give me an example
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Answer / kirti
Delegate that can have more than one element in its invocation List.
using System;
namespace SampleMultiCastDelegate
{
class MultiCast
{
public delegate string strMultiCast(string s);
}
}
MainClass defines the static methods having same signature as delegate.
using System;
namespace SampleMultiCastDelegate
{
public class MainClass
{
public MainClass()
{
}
public static string Jump(string s)
{
Console.WriteLine("Jump");
return String.Empty;
}
public static string Run(string s)
{
Console.WriteLine("Run");
return String.Empty;
}
public static string Walk(string s)
{
Console.WriteLine("Walk");
return String.Empty;
}
}
}
The Main class:
using System;
using System.Threading;
namespace SampleMultiCastDelegate
{
public class MainMultiCastDelegate
{
public static void Main()
{
MultiCast.strMultiCast Run,Walk,Jump;
MultiCast.strMultiCast myDelegate;
///here mydelegate used the Combine method of System.MulticastDelegate
///and the delegates combine
myDelegate=(MultiCast.strMultiCast)System.Delegate.Combine(Run,Walk);
}
}
}
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