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#ifndef NULLSOFT_WINAMP_FLAG_TRACKER_HEADER
#define NULLSOFT_WINAMP_FLAG_TRACKER_HEADER
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif
#include <wtypes.h>
class FlagTracker
{
public:
typedef void (CALLBACK *EventHandler)(UINT /*nMarked*/, FlagTracker* /*instance*/, ULONG_PTR /*user*/);
public:
FlagTracker();
~FlagTracker();
public:
void Set(UINT nFlags, UINT nMask);
UINT Get();
void Mark(UINT nFlags);
ULONG BeginUpdate();
ULONG EndUpdate();
void SetEventHandler(EventHandler handler, ULONG_PTR user);
protected:
UINT flags;
UINT cache;
ULONG updateRef;
CRITICAL_SECTION lock;
EventHandler eventHandler;
ULONG_PTR eventParam;
};
#endif //NULLSOFT_WINAMP_MODIFY_TRACKER_HEADER
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