beep.h

武安河书第一版（vxd）Windows 驱动例子

// BEEP.h - include file for VxD BEEP

#include <vtoolscp.h>

#define DEVICE_CLASS		BeepDevice
#define BEEP_DeviceID		UNDEFINED_DEVICE_ID
#define BEEP_Init_Order	UNDEFINED_INIT_ORDER
#define BEEP_Major		1
#define BEEP_Minor		0

class BeepDevice : public VDevice
{
public:
	virtual BOOL OnSysDynamicDeviceInit();
	virtual BOOL OnSysDynamicDeviceExit();
};

class BeepTimeOut : public VGlobalTimeOut
{
public:
	BeepTimeOut(DWORD msec) : VGlobalTimeOut(msec){};
	VOID handler(VMHANDLE hVM, THREADHANDLE th, PCLIENT_STRUCT pRegs,
		DWORD lag);
};