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