helloldcidocument.h

symbian有关文件操作的一个很好的例子

/* Copyright (c) 2009, Nokia. All rights reserved */

#ifndef __HELLOLDCI_DOCUMENT_H__
#define __HELLOLDCI_DOCUMENT_H__


#include <akndoc.h>

class CHelloLDCIAppUi;
class CEikApplication;


/*! 
  @class CHelloLDCIDocument
  
  @discussion An instance of class CHelloLDCIDocument is the Document part of the AVKON
  application framework for the HelloLDCI example application
  */
class CHelloLDCIDocument : public CAknDocument
    {
public:

/*!
  @function NewL
  
  @discussion Construct a CHelloLDCIDocument for the AVKON application aApp 
  using two phase construction, and return a pointer to the created object
  @param aApp Application creating this document
  @result A pointer to the created instance of CHelloLDCIDocument
  */
    static CHelloLDCIDocument* NewL(CEikApplication& aApp);

/*!
  @function NewLC
  
  @discussion Construct a CHelloLDCIDocument for the AVKON application aApp 
  using two phase construction, and return a pointer to the created object
  @param aApp Application creating this document
  @result A pointer to the created instance of CHelloLDCIDocument
  */
    static CHelloLDCIDocument* NewLC(CEikApplication& aApp);

/*!
  @function ~CHelloLDCIDocument
  
  @discussion Destroy the object
  */
    ~CHelloLDCIDocument();

public: // from CAknDocument
/*!
  @function CreateAppUiL 
  
  @discussion Create a CHelloLDCIAppUi object and return a pointer to it
  @result A pointer to the created instance of the AppUi created
  */
    CEikAppUi* CreateAppUiL();

private:

/*!
  @function ConstructL
  
  @discussion Perform the second phase construction of a CHelloLDCIDocument object
  */
    void ConstructL();

/*!
  @function CHelloLDCIDocument
  
  @discussion Perform the first phase of two phase construction 
  @param aApp Application creating this document
  */
    CHelloLDCIDocument(CEikApplication& aApp);
    };


#endif // __HELLOLDCI_DOCUMENT_H__