gridcontainer.h

symbian有关文件操作的一个很好的例子

/*
* ============================================================================
*  Name     : CGridContainer from CCoeControl, MCoeControlObserver
*  Part of  : Hello
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

#ifndef GRIDCONTAINER_H
#define GRIDCONTAINER_H

// INCLUDES
#include <aknview.h>

#include <AknGridView.h>	//for CAknGridView

class CAknGrid;
class CGridContainer : public CCoeControl
{
public: // Constructors and destructor
	/**
	* C++ default constructor.
	*/
	CGridContainer();
	
	/**
	* EPOC default constructor.
	* @param aRect Frame rectangle for container.
	*/
	void ConstructL(const TRect& aRect);
	
	/**
	* Destructor.
	*/
	virtual ~CGridContainer();

	
private: // Functions from base classes
	
	/**
	* From CoeControl,SizeChanged.
	*/
	void SizeChanged();
	
	/**
	* From CoeControl,CountComponentControls.
	*/
	TInt CountComponentControls() const;
	
	/**
	* From CCoeControl,ComponentControl.
	* @param aIndex of control
	*/
	CCoeControl* ComponentControl(TInt aIndex) const;
	
	/**
	* From CCoeControl, Draw client rect.
	* @param aRect Frame rectangle for container.
	*/
	void Draw(const TRect& aRect) const;
	
	/**
	* From CCoeControl, Handles key event.
	* @param aKeyEvent The key event.
	* @param aType The type of the event.
	* @return Indicates whether or not the key event was
	*           used by this control.
	*/
	TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,
		TEventCode aType);

	void LoadGraphicsL();
	void AddDataL();

	void ApplySelGridGraphicStyleL();

public:
	TInt GetCurrentIndex() const;
private:
	
	CAknGrid* m_pGrid;
};

#endif // GRIDCONTAINER_H

// End of File