Delegate: Answers to the interview questions about cats, mice, and masters.

Using System;
Using System. collections;
Using System. componentmodel;
Using System. Data;
Using System. drawing;
Using System. Web;
Using System. Web. sessionstate;
Using System. Web. UI;
Using System. Web. UI. webcontrols;
Using System. Web. UI. htmlcontrols;

Namespace Aspnettest. Common
{
/**/ /// <Summary>
///The abstract description of define_delegate_catmouse.
/// </Summary>

Public   Delegate   Void Shouteventhandler ();

Public   Class Define_delegate_catmouse: system. Web. UI. Page
{
Private   Void Page_load ( Object Sender, system. eventargs E)
{
Cat =   New CAT ();
Mouse mouse1 =   New Mouse (CAT, " Mouse 1 " );
Mouse mouse2 =   New Mouse (CAT, " Rat 2 " );
Master =   New Master (CAT );
Cat. Shout ();
// Place users hereCodeTo initialize the page
}

Code generated by web Form Designer # Region Code generated by web Form Designer
Override   Protected   Void Oninit (eventargs E)
{< br> //
// codegen: This call is ASP.. NET web form designer.
//
initializecomponent ();
base . oninit (E);
}

/**/ /// <Summary>
///The designer supports the required methods-do not use the code editor to modify
///The content of this method.
/// </Summary>
Private   Void Initializecomponent ()
{
This. Load+ = NewSystem. eventhandler (This. Page_load );

}
# Endregion
}
Public   Abstract   Class Actionsubject
{
Public Shouteventhandler onshout;
Protected   Void Affectresponse ()
{
If ( This . Onshout ! = Null )
{
This. Onshout ();
}
}
}

Public   Class Cat: actionsubject
{
Public   Void Shout ()
{
Httpcontext. Current. response. Write ("The cat shouted! <Br>");
Affectresponse ();
}
}
Public   Abstract   Class Affectsubject
{
Public Affectsubject (actionsubject)
{
Actionsubject. onshout+ = NewShouteventhandler (response );
}
Public   Abstract   Void Response ();
}
Public   Class MASTER: affectsubject
{
Public Master (actionsubject ): Base (Actionsubject)
{
}
Public   Override   Void Response ()
{
Httpcontext. Current. response. Write ("The host woke up! <Br>");
}
}
Public   Class Mouse: affectsubject
{
Private   String Name;
Public Mouse (actionsubject, String Name ): Base (Actionsubject)
{
This. Name=Name;
}
Public   Override   Void Response ()
{
Httpcontext. Current. response. Write (This. Name+ "Run! <Br>");
}
}







}