mciclass.h

一个简单的数据库增加和删减的程序,完成对ACCESS数据库中数据添加和删除.

// MCIClass.h: interface for the CMCIClass class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MCICLASS_H__1F0CE1F0_DC99_11D1_92B0_000021003EA5__INCLUDED_)
#define AFX_MCICLASS_H__1F0CE1F0_DC99_11D1_92B0_000021003EA5__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000

#define MAX_RETURN_LENGTH	512

class CMCIClass  
{protected:
	CString	m_strMediumAlias;
	HWND	m_hWndCallback;
	BOOL	m_bMediumOpen;

public:
	CMCIClass(HWND hWnd = NULL);
	virtual ~CMCIClass();

	LONG	Open(LPCSTR strMedium, LPCSTR strMediumType, LPCSTR strStyle="", HWND hWnd = NULL);
	LONG	Close();
	LONG	Play(LPCSTR strStyle="", LPCSTR strFlag="");
	LONG	Pause();
	LONG	Resume();
	LONG	Record();
	LONG	Save(LPCSTR strFileName);
	LONG	Seek(LONG lPos);
	LONG	Seek(LPCSTR strPos);
	LONG	Stop();
	LONG	SetTimeFormat(LPCSTR strTimeFormat="ms");
	LONG	GetLength();
	
	CString GetTimeFormat();
	CString GetMode();
	LONG	GetPosition(LPSTR strPos);
	LONG	GetStartPosition(LPSTR strPos);
	BOOL	IsMediumOpen();
	BOOL    IsMediumPresent();

	LONG	Execute(LPCSTR strCmd, LPSTR lpstrReturn = NULL, BOOL bShowError = FALSE);
	CString	GetMediumAlias();
	HWND	GetCallbackHWnd();
    LONG    SetAudioVolume(int nVolumeFactor);
};

#endif // !defined(AFX_MCICLASS_H__1F0CE1F0_DC99_11D1_92B0_000021003EA5__INCLUDED_)