There is a Serial test stack on my web site if you want to check out Kee's suggestion.I want my rev-application to collect data from a barcode scanner in background . In other words, I want to use my PC (WIN-XP) with other programs and at the same time I want my application to collect and save data from the barcode scanner. Is it possible?
yes but the input has to be through something other than the normal keyboard interface. You'll need an alternate input stream and you'll need code to watch that input stream. The most common, but becoming obsolete quickly, is a serial interface. Then you have your app watch the serial interface and handle the data it receives. Beyond my abilities, I think Sarah has done much more work in this area.
Alternatively, can you check if any field has the focus and if so, pass any keyDown or rawKeyDown, if not assume it is a barcode. You would need to make sure that the focus left fields after they had been edited or used, but I can't offer any suggestions on that without knowing your setup.
Or (more manually) have a checkbox that the user clicks (preferably with a keyboard shortcut) to toggle input from barcode scanner to keyboard.
Cheers, Sarah [EMAIL PROTECTED] http://www.troz.net/Rev/
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