Nel codice:
codice:
#ifndef TESTGRAPHCONTAINER_H
#define TESTGRAPHCONTAINER_H
// INCLUDES
#include <coecntrl.h>
// FORWARD DECLARATIONS
class CEikLabel; // for example labels
// CLASS DECLARATION
/**
* CTestGraphContainer container control class.
*
*/
class CTestGraphContainer : public CCoeControl, MCoeControlObserver
{
public: // Constructors and destructor
/**
* EPOC default constructor.
* @param aRect Frame rectangle for container.
*/
void ConstructL(const TRect& aRect);
/**
* Destructor.
*/
~CTestGraphContainer();
public: // New functions
public: // Functions from base classes
private: // Functions from base classes
/**
* From CoeControl,SizeChanged.
*/
void SizeChanged();
/**
* From CoeControl,CountComponentControls.
*/
TInt CountComponentControls() const;
/**
* From CCoeControl,ComponentControl.
*/
CCoeControl* ComponentControl(TInt aIndex) const;
/**
* From CCoeControl,Draw.
*/
void Draw(const TRect& aRect) const;
/**
* From MCoeControlObserver
* Acts upon changes in the hosted control's state.
*
* @param aControl The control changing its state
* @param aEventType The type of control event
*/
void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);
private: //data
CEikLabel* iLabel; // example label
CEikLabel* iToDoLabel; // example label
};
#endif
A che serve la riga evidenziata? CEikLabel è definito in coecntrl.h perchè ridefinirlo?? Se tolgo quella riga, funziona tutto come al solito, quindi a che serve?
Grazie