我正在尝试编写一个程序,该程序可以监视多个文件夹的文件创建情况,并启动相同的操作,但每个文件夹的设置不同。我的问题是为 FileSystemEventHandler 指定一个额外的参数。我为每个目录创建一个新的 FileWatcher 来监视并添加 Created 操作的处理程序:
foreach (String config in configs)
{
...
FileWatcher.Created += new System.IO.FileSystemEventHandler(FileSystemWatcherCreated)
...
}
void FileSystemWatcherCreated(object sender, System.IO.FileSystemEventArgs e, MySettings mSettings)
{
DoSomething(e.FullPath, mSettings);
}
如何将“设置”变量传递给 FileSystemWatcher Created()?
foreach (String config in configs)
{
...
MySettings mSettings = new MySettings(...); // create a new instance, don't modify an existing one
var handler = new System.IO.FileSystemEventHandler( (s,e) => FileSystemWatcherCreated(s,e,msettings) );
FileWatcher.Created += handler;
// store handler somewhere, so you can later unsubscribe
...
}
void FileSystemWatcherCreated(object sender, System.IO.FileSystemEventArgs e, MySettings mSettings)
{
DoSomething(e.FullPath, mSettings);
}
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系:hwhale#tublm.com(使用前将#替换为@)