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Watching Folder Activity in VB.NET

Our resident VB.Net guru is back! In this article Jayesh shows us how to use the FileSystemWatcher class to monitor folders for changes.

Author Info:
By: Jayesh Jain
Rating: 5 stars5 stars5 stars5 stars5 stars / 69
October 13, 2002
  1. · Watching Folder Activity in VB.NET
  2. · Getting Started
  3. · Building Our Application (contd.)
  4. · Conclusion

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Watching Folder Activity in VB.NET
(Page 1 of 4 )

Have you ever wanted to write an application that constantly monitors a folder and raises events when there is any activity in that folder? In the good old days using VB6, you had to use windows APIs to do something like this, which was not very simple and required a lot of coding.

The Microsoft .NET Framework has introduced classes like System.IO and System.Diagnostics, which contain the FileSystemWatcher class. This class can raise events when a file is created, renamed, updated or deleted from the specified folder.

In this article we're going to learn how to implement the FileSystemWatcher class using Microsoft Visual Basic.Net. You will need the .NET framework installed, as well as Visual Studio.Net if you want to experiment with the source code presented in this article.
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