ringtoneiterator.h

一个WinCE6。0下的IP phone的源代码

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//
#pragma once

#include <windows.h>
#include "vector.hxx"

typedef  ce::vector< BSTR > RingtoneList;

/*------------------------------------------------------------------------------
    CRingtoneIterator
    
    Helper class that enumerates all installed ringtones on the device
------------------------------------------------------------------------------*/
class CRingtoneIterator
{
public:
    CRingtoneIterator();
    ~CRingtoneIterator();

public:
    //Move the iterator to a different element
    HRESULT GetRingtoneAt(
        UINT idxRingtone, 
        WCHAR *wszOutBuf, 
        UINT   cchOutBuf
        );

    INT     GetRingtoneCount();  

    HRESULT ConstructPath(
        const WCHAR *c_wszPath, 
        WCHAR *wszOutBuf, 
        UINT   cchOutBuf
        );

    HRESULT PathToFileName(
        const WCHAR * wszPath, 
        WCHAR * wszFileName, 
        UINT cchFileName
        );
    
private:
    //Internal vector used to store ringtones
    RingtoneList    m_rlRingTones;
};