Haitam Zanid Haitam Zanid - 1 year ago 71
C# Question

Edit control's property every X second

I am currently developping an application where I need to check if the user has replaced a file (by MD5) and I thought of a Timer.

A Timer that checks every 1-2 seconds If the MD5 of the file is not what I expected, If not, I need to disable a MenuStripItem.

My question is, is it bad to edit a control's property every 1-2 seconds?

Thanks a lot.

Answer Source

Modifying a control's property every 1-2 seconds does not seem like a bad idea, but checking a file's hash so often seems like a bad idea. You should at least compare the file dates and size before comparing the hash.
A better approach would be to check it only when the menu item is used.
FileSystemWatcher is the usual way to keep track of changes in a folder, but it is not fully reliable FileSystemWatcher vs polling to watch for file changes

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