powersleepdevice.h

来自「WindowsXP WDM驱动程序开发实例」· C头文件 代码 · 共 57 行

// PowerSleepDevice.h
//
// Generated by DriverWizard version DriverStudio 2.6.0 (Build 336)
// Requires Compuware's DriverWorks classes
//

#ifndef __PowerSleepDevice_h__
#define __PowerSleepDevice_h__


class PowerSleepDevice : public KPnpDevice
{
	// Constructors
public:
	SAFE_DESTRUCTORS;
	PowerSleepDevice(PDEVICE_OBJECT Pdo, ULONG Unit);
	~PowerSleepDevice();

	// Member Functions
public:
	DEVMEMBER_DISPATCHERS
	virtual NTSTATUS OnStartDevice(KIrp I);
	virtual NTSTATUS OnStopDevice(KIrp I);
	virtual NTSTATUS OnRemoveDevice(KIrp I);
	virtual NTSTATUS DefaultPnp(KIrp I);
	virtual NTSTATUS DefaultPower(KIrp I);
	virtual NTSTATUS OnDevicePowerUp(KIrp I);
	virtual NTSTATUS OnDeviceSleep(KIrp I);
	DEVICE_POWER_STATE DetermineNewDevicePowerState(SYSTEM_POWER_STATE SystemPowerState);

#ifdef _COMMENT_ONLY

		// The following member functions are actually defined by the
		// a DEVMEMBER_xxx or MEMBER_xxx macro (such as DEVMEMBER_DISPATCHERS).
		// The macro __COMMENT_ONLY never gets defined.  These comment-only
		// definitions simply allow easy navigation to the functions within
		// the Developer Studio using the class browser.

	virtual NTSTATUS Create(KIrp I);				// COMMENT_ONLY
	virtual NTSTATUS Close(KIrp I);					// COMMENT_ONLY
	virtual NTSTATUS DeviceControl(KIrp I);			// COMMENT_ONLY
	virtual NTSTATUS SystemControl(KIrp I);			// COMMENT_ONLY
#endif

	// Member Data
protected:
		// Unit number for this device (0-9)
	ULONG				m_Unit;
	KPnpLowerDevice		m_Lower;
};

// some useful routines for displaying power IRPs
PCHAR DevicePowerStateName(DEVICE_POWER_STATE ps);
PCHAR SystemPowerStateName(SYSTEM_POWER_STATE ps);

#endif