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PowerToys/src/modules/fancyzones/lib/FileWatcher.h

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#pragma once
#include "pch.h"
class FileWatcher
{
DWORD m_refreshPeriod;
std::wstring m_path;
std::optional<FILETIME> m_lastWrite;
std::function<void()> m_callback;
HANDLE m_abortEvent;
std::thread m_thread;
std::optional<FILETIME> MyFileTime();
void Run();
public:
FileWatcher(const std::wstring& path, std::function<void()> callback, DWORD refreshPeriod = 1000);
~FileWatcher();
};