senddataview.h

symbian中讲述的一个有关M类使用的例子

/*
* ============================================================================
*  Name     : CSendDataView from CAknView
*  Part of  : SendData
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

#ifndef SendDataView_H
#define SendDataView_H

// INCLUDES
#include <aknview.h>

// CONSTANTS
// UID of view
const TUid KViewId1 = {1};

// FORWARD DECLARATIONS
class CSendDataContainer;

// CLASS DECLARATION
// modify by acoolna 5:11 2008-6-17
class MNotify
{
public:
	virtual void SendData(const TDesC& aData) = 0;
};

/**
*  Parameter class.
* 
*/
class TViewPara
{
public:
	TInt32        iId;
	TBuf<32>      iCode;
	TBuf<8>       iStatus;
	TTime         iDate;
};

/**
*  CSendDataView view class.
* 
*/
class CSendDataView : public CAknView
    {
    public: // Constructors and destructor
        /**
        * C++ default constructor
        */
        CSendDataView(MNotify* aNotify);

        /**
        * EPOC default constructor.
        */
        void ConstructL();

		static CSendDataView* NewL(MNotify* aNotify);
		static CSendDataView* NewLC(MNotify* aNotify);

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

    public: // Functions from base classes
        
        /**
        * From CAknView, Returns the ID of view.
        * @return Returns the ID of view.
        */
        TUid Id() const;

        /**
        * From CAknView, Handles the commands.
        * @pram aCommand Command to be handled.
        */
        void HandleCommandL(TInt aCommand);

        /**
        * From CAknView, Handles the clientrect.
        */
        void HandleClientRectChange();

    private:

        /**
        * From CAknView, Creates the Container class object.
        * @param aPrevViewId This is not used now.
        * @param aCustomMessage This is not used now.
        * @param aCustomMessage This is not used now.
        */
        void DoActivateL(const TVwsViewId& /*aPrevViewId*/,
                         TUid /*aCustomMessageId*/,
                         const TDesC8& /*aCustomMessage*/);

        /**
        * From AknView, Deletes the Container class object.
        */
        void DoDeactivate();

    private: // Data
        CSendDataContainer*		iContainer;
		MNotify*				m_Notify;
    };

#endif  // SendDataView_H

// End of File