Detect file changes vb6

Try clicking the "Stop Spying" or "Quit" buttons and you will see that FolderSpy does not react until the wait period expires. Experiment with different wait periods in function fWaitForChange to see the effect. You will see that this causes FolderSpy to immediately stop waiting and start responding to your input again. If you use this code, please mention "www. Email this page. Spy on a Folder to Detect When it Change Ever need to know when the contents of a folder have changed?

Download the code and play with it. It is really straight forward. Instructions Download the program, press F5 to run it, enter a valid path then click the "Start Spying" button. About TheScarms Sample code version info If you use this code, please mention "www. Download Source Code Applies To. About TheScarms Sample code version info.

You can launch a background thread and call the WaitForSingleObject function inside the background thread without any timeout which will suspend the background thread until a file change occurs or use an infinite loop with a call to the WaitForSingleObject function inside the infinite loop.

Continuously calling the WaitForSingleObject function inside the infinite loop will use up some CPU processing time, but you can adjust the timeout value to minimize the impact on your system. Desaware's background thread component dwbackthread is ideal for implementing waits inside a background thread using Visual Basic 6.

Finally, this type of file monitoring is typically done through a Windows Service. Services are ideal for running background operations that waits for events to occur. Implementing this in a Service allows you to efficiently create multiple background threads to monitor different folders concurrently. Desaware's NT Service Toolkit allows you to implement this within a service and includes a sample project demonstrating this. For notification when new articles are available, sign up for Desaware's Newsletter.

For more indepth examination of some of these topics, please review our selection of technical books and eBooks. This works well, almost perfectly as thought it were a native feature of the IDE. Add a comment. I think a found one possible solution. It's a solution, but I'm still looking for anything that might be better. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

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Is there some way of detecting a change in the contents of a folder without actually scanning the folder for files? There is a sample which claims to work on all versions from Win95 up to at leas WinXP. Developed under Win98 with VB5. Using the then? There is another solution using ReadDirectoryChangesW here:. If it means that a file was added, deleted, or renamed, then the modified timestamp of the folder is updated whenever such an event occurs.

That said, looking at what you're trying to do scan a folder for new. Another thing is that apparently " FileSystemWatcher " in. What is my point?

There maybe is no easy solution for this and you have to come up with something on your own. Stack Overflow for Teams — Collaborate and share knowledge with a private group.