www.pudn.com > windows2000XP_WDM_DeviceDriverDevelopment_WuAnHe_C > CharFilterDevice.h


// CharFilterDevice.h
//
// Generated by DriverWizard version DriverStudio 3.1.0 (Build 1722)
// Requires Compuware's DriverWorks classes
//

#ifndef __CharFilterDevice_h__
#define __CharFilterDevice_h__


class CharFilterDevice : public KWdmFilterDevice
{
SAFE_DESTRUCTORS
public:
CharFilterDevice(PDEVICE_OBJECT Pdo, ULONG unit);

virtual NTSTATUS DeviceControl(KIrp I);

MEMBER_PASSTHROUGH_COMPLETE(CharFilterDevice, IrpCompletionRoutine);

#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.

NTSTATUS IrpCompletionRoutine(KIrp I);
#endif


KPnpLowerDevice m_Lower;
ULONG m_Unit;
ULONG nin,nout; //定义输入、输出字节长度变量
PCHAR cin,cout; //定义输入、输出缓冲区指针
private:

//Prevent the compiler from generating default copy
//constructor and assignment operator
CharFilterDevice(CharFilterDevice&amt;);
operator=(CharFilterDevice&amt;);
};


#endif