imageconvertercontainer.h

Symbian OS 图片转换程序源代码 可以学习一下

/*
* ============================================================================
*  Name     : CImageConverterContainer from ImageConverterContainer.h
*  Part of  : ImageConverter
*  Created  : 25.11.2003 by Forum Nokia
*  Description:
*     Declares container control for application.
*  Version  :
*  Copyright: Nokia Corporation
* ============================================================================
*/

#ifndef IMAGECONVERTERCONTAINER_H
#define IMAGECONVERTERCONTAINER_H

// INCLUDES
#include <coecntrl.h>
   
// FORWARD DECLARATIONS
class CEikLabel;        // for example labels

// CLASS DECLARATION

/**
*  CImageConverterContainer  container control class.
*  
*/
class CImageConverterContainer : public CCoeControl, MCoeControlObserver
    {
    public: // Constructors and destructor
        
        /**
        * EPOC default constructor.
        * @param aRect Frame rectangle for container.
        */
        void ConstructL(const TRect& aRect);

        /**
        * Destructor.
        */
        ~CImageConverterContainer();

    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);
        
    public: // data
		CFbsBitmap* iBitmap; // the ui sets this to a bitmap to show, 
							 //   if null show nothing
	
	private: //data

    };

#endif

// End of File