mciclass.h

vc程序设计技巧与实例中关于多媒体技术的vc++原代码

// 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  
{
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	Stop();
	LONG	Seek(LONG lPos);
	LONG	SetTimeFormat(LPCSTR strTimeFormat="ms");
	LONG	GetLength();
	LONG	GetTrackNum();
	LONG	GetTrackLength(LONG lTrackNo);
	CString GetTimeFormat();
	CString GetMode();
	LONG	GetPosition(LPSTR strPos);
	LONG	GetStartPosition(LPSTR strPos);
	BOOL	IsMediumOpen();
	BOOL    IsMediumPresent();

	LONG	Eject(BOOL bOpenDoor = TRUE);
	LONG	Execute(LPCSTR strCmd, LPSTR lpstrReturn = NULL, BOOL bShowError = FALSE);

protected:
	CString	m_strMediumAlias;
	HWND	m_hWndCallback;
	BOOL	m_bMediumOpen;
};

#endif // !defined(AFX_MCICLASS_H__1F0CE1F0_DC99_11D1_92B0_000021003EA5__INCLUDED_)