aknexquerybaselisteventhandler.h

symbian ui的 例子 初学者可以 好好看看,这个是培训的资料,应该比较宝贵

/*
* ==============================================================================
*  Name        : aknexquerybaselisteventhandler.h
*  Part of     : Query example
*  Interface   :
*  Description :
*  Version     :
*
*  Copyright (c) 2004 - 2006 Nokia Corporation.
*  This material, including documentation and any related
*  computer programs, is protected by copyright controlled by
*  Nokia Corporation.
* ==============================================================================
*/

#ifndef __AKNEXQUERYBASELISTEVENTHANDLER_H__
#define __AKNEXQUERYBASELISTEVENTHANDLER_H__

// INCLUDES
#include <e32base.h>
#include <eiklbo.h> // For MEikListBoxObserver

// FORWARD DECLARATIONS
class CAknExQueryContainer;

// CLASS DECLARATION

/**
* CAknExQueryBaseListEventHandler class.
*/
class CAknExQueryBaseListEventHandler :
    public CBase,
    public MEikListBoxObserver
    {
    public: // Constructors and destructor

        /**
        * CAknExQueryBaseListEventHandler
        * Constructor.
        * @param aContainer Pointer to Container class object.
        */
        CAknExQueryBaseListEventHandler( CAknExQueryContainer* aContainer );

        /**
        * ~CAknExQueryBaseListEventHandler
        * Destructor.
        */
        virtual ~CAknExQueryBaseListEventHandler();

    public: // New function

        /**
        * HandleSelectedListItemL
        * Handles events that list item selected.
        * Pure virtual function.
        * @param aCommand Selected list item index
        */
        virtual void HandleSelectedListItemL( TInt aCommand ) = NULL;

    public: // From MEikListBoxObserver

        /**
        * HandleListBoxEventL
        * From MEikListBoxObserver, Handle listbox event
        * Handles the list box events.
        * When list item is selected, HandleSelectedListItemL() is called.
        * @param aListBox Pointer to ListBox object.
        * @param aEventType
        */
        void HandleListBoxEventL( 
            CEikListBox* aListBox,
            TListBoxEvent aEventType );

    protected: //data
        /**
        * iContainer
        * Does not own
        */
        CAknExQueryContainer* iContainer;

    };

#endif // __AKNEXQUERYBASELISTEVENTHANDLER_H__

// End of File