116 lines
1.9 KiB
C++
116 lines
1.9 KiB
C++
|
|
/*++
|
|
|
|
Copyright (c) 1998-2000 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
drobject
|
|
|
|
Abstract:
|
|
|
|
This module defines the common parent for all client-side
|
|
RDP device redirection classes, DrObject.
|
|
|
|
Author:
|
|
|
|
Tad Brockway 3/23/99
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef __DROBJ_H__
|
|
#define __DROBJ_H__
|
|
|
|
#include "drdbg.h"
|
|
#include "atrcapi.h"
|
|
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
//
|
|
// DrObject
|
|
//
|
|
//
|
|
|
|
class DrObject
|
|
{
|
|
private:
|
|
|
|
BOOL _isValid;
|
|
|
|
protected:
|
|
|
|
//
|
|
// Remember if this instance is valid.
|
|
//
|
|
VOID SetValid(BOOL set) { _isValid = set; }
|
|
|
|
public:
|
|
|
|
//
|
|
// Mark an instance as allocated or bogus.
|
|
//
|
|
#if DBG
|
|
ULONG _magicNo;
|
|
#endif
|
|
|
|
//
|
|
// Constructor/Destructor
|
|
//
|
|
DrObject() : _isValid(TRUE)
|
|
{
|
|
DC_BEGIN_FN("DrObject::DrObject");
|
|
|
|
#if DBG
|
|
_magicNo = GOODMEMMAGICNUMBER;
|
|
#endif
|
|
|
|
DC_END_FN();
|
|
}
|
|
|
|
virtual ~DrObject()
|
|
{
|
|
DC_BEGIN_FN("DrObject::~DrObject");
|
|
#if DBG
|
|
ASSERT(_magicNo == GOODMEMMAGICNUMBER);
|
|
memset(&_magicNo, DRBADMEM, sizeof(_magicNo));
|
|
#endif
|
|
DC_END_FN();
|
|
}
|
|
|
|
//
|
|
// Return whether this class instance is valid.
|
|
//
|
|
virtual BOOL IsValid()
|
|
{
|
|
DC_BEGIN_FN("DrObject::IsValid");
|
|
ASSERT(_magicNo == GOODMEMMAGICNUMBER);
|
|
DC_END_FN();
|
|
return _isValid;
|
|
}
|
|
|
|
//
|
|
// Memory Management Operators
|
|
//
|
|
|
|
inline void *__cdecl operator new(size_t sz, DWORD tag=DROBJECT_TAG)
|
|
{
|
|
void *ptr = LocalAlloc(LPTR, sz);
|
|
return ptr;
|
|
}
|
|
|
|
inline void __cdecl operator delete(void *ptr)
|
|
{
|
|
LocalFree(ptr);
|
|
}
|
|
|
|
//
|
|
// Return the class name.
|
|
//
|
|
virtual DRSTRING ClassName() = 0;
|
|
|
|
};
|
|
#endif
|
|
|