检测文件 [英] Detecting files

问题描述

您好，有什么方法可以检测文件夹中的文件吗?

像这样:

Hello, is there any way to detect files in a folder?

like this:

if files in Directory.GetFiles(@"C:\TRASH")

我找不到办法.

谢谢您.

I can''t find a way to do this.

Thank you

推荐答案

为此使用FileSystemWatcher类会更高效.这将通知是否有更改.您可以在此处在代码项目上进行搜索以找到一些很好的示例.

http://msdn.microsoft.com/en-us/library/system.io. filesystemwatcher.aspx [ ^ ]

祝您好运！

It would be more efficient to use the FileSystemWatcher Class for that. That will notify if there are changes. You can do a search here on code project for some good examples.

http://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher.aspx[^]

Good luck!

如果通过检测，您的意思是看看是否只有一次文件，请使用System.IO.否则，要监视文件夹，请按照说明使用FileSystemWatcher类.它有一些非常好的事件

if by detect, you mean see if there is any file just once, use System.IO. Otherwise, to monitor a folder, use FileSystemWatcher class as stated. It has some very nice events

如果只需要检测该目录中是否有文件，请使用以下命令:

In case you only need to detect if there are files in that directory use this:

string directory = @"C:\TRASH";
bool thereAreSomeFiles = Directory.Exists(directory) &&
     Directory.GetFiles(directory);

此后，如果目录存在并且其中有任何文件，则ThereAreSomeFiles将为true.

干杯

曼弗雷德(Manfred)

After that thereAreSomeFiles will be true if the directory exists and there are any files in it.

Cheers

Manfred

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