偵聽Windows資料夾變更事件

通過以下兩個類，可以實現對windows資料夾的事件偵聽，包括新建檔案，刪除檔案，檔案重新命名等事件；

filesystemwather.cs

using system;

using system.collections;
using system.io;
using system.threading;
namespace whir.software.filecopy
_hstbwather = new hashtable();
_fswather = new filesystemwatcher(path) ;
_fswather.renamed += fswather_renamed;
_fswather.changed += fswather_changed;
_fswather.created += fswather_created;
_fswather.deleted += fswather_deleted;
}public event renamedeventhandler onrenamed;
public event filesystemeventhandler onchanged;
public event filesystemeventhandler oncreated;
public event filesystemeventhandler ondeleted;
/// ///     開始監控
/// 
public void start()
/// ///     停止監控
/// 
public void stop()
/// ///     filesystemwatcher 本身的事件通知處理過程
/// 
/// 
/// 
private void fswather_renamed(object sender, renamedeventargs e)
}var watcherprocess = new watcherprocess(sender, e);
watcherprocess.onrenamed += onrenamed; //傳遞事件
watcherprocess.oncompleted += watcherprocess_oncompleted;
var thread = new thread(watcherprocess.process);
thread.start();
}private void fswather_created(object sender, filesystemeventargs e)
}var watcherprocess = new watcherprocess(sender, e);
watcherprocess.oncreated += oncreated; //傳遞事件
watcherprocess.oncompleted += watcherprocess_oncompleted;
var threaddeal = new thread(watcherprocess.process);
threaddeal.start();
}private void fswather_deleted(object sender, filesystemeventargs e)
}var watcherprocess = new watcherprocess(sender, e);
watcherprocess.ondeleted += ondeleted; //傳遞事件
watcherprocess.oncompleted += watcherprocess_oncompleted;
var tddeal = new thread(watcherprocess.process);
tddeal.start();
}private void fswather_changed(object sender, filesystemeventargs e)}}
lock (_hstbwather)
}var watcherprocess = new watcherprocess(sender, e);
watcherprocess.onchanged += onchanged; //傳遞事件
watcherprocess.oncompleted += watcherprocess_oncompleted;
var thread = new thread(watcherprocess.process);
thread.start();
}/// ///     使用了執行緒安全的hashtable來處理一次改變觸發兩次事件的問題，
///     要注意的是在實際專案使用中，在通過監控檔案事情觸發時開乙個執行緒watcherprocess去處理自己業務邏輯的時候，
///     不管業務邏輯成功或者失敗（例如有異常丟擲一定要try一下）一定要讓watcherprocess的completed
///     也就是myfilesystemwather的watcherprocess_oncompleted執行去移除對應變化檔案的hashtable的key，
///     不然下次此檔案改變時是無法觸發你的業務邏輯的。
/// 
/// 
public void watcherprocess_oncompleted(string key)}}
}

using system.io;

namespace whir.software.filecopy
public event renamedeventhandler onrenamed;
public event filesystemeventhandler onchanged;
public event filesystemeventhandler oncreated;
public event filesystemeventhandler ondeleted;
public event completed oncompleted;
public void process()
else
else if (e.changetype == watcherchangetypes.changed)
else if (e.changetype == watcherchangetypes.deleted)
else}}
}}

var wather = new filesystemwather(txtfrom.text, "*.*", true);

wather.onchanged += onchanged;
wather.oncreated += oncreated;
wather.onrenamed += onrenamed;
wather.ondeleted += ondeleted;
wather.start();

private void oncreated(object source, filesystemeventargs e)

private void onchanged(object source, filesystemeventargs e)
private void ondeleted(object source, filesystemeventargs e)
private void onrenamed(object source, renamedeventargs e)

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