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DaveR · Last edited by DaveR on Sat Nov 26, 2005 4:46 pm; edited 1 time in total

Can anyone explain how I'd go about using RegisteringDeviceNotification within a VDS application?

Or WM_DEVICECHANGE?

Or maybe point me to a thread that may help.

FYI I'm trying to monitor/detect when a USB device is connected.

DaveR · Posted: Sun Nov 13, 2005 11:54 am Post subject:

Mac, you're a legend (if I can get it working Wink

After searching for DBT_DEVICEARRIVAL I found Mac's @sendmsg codes... post in the Knowledge Base.
http://www.vdsworld.com/forum/viewtopic.php?t=426

I don't know why my previous searches for WM_DEVICECHANGE never found it...

I've just waisted a whole weekend considering switching from VDS to C or VB! Sad

SnarlingSheep · Posted: Mon Nov 14, 2005 5:08 am Post subject:

Using RegisterDeviceNotification in VDS would be a bit interesting because of the structures, but you can at least see when a device is plugged in/unplugged.
All this will do is fill the list with a bunch of 7's here, as RegisterDeviceNotification isn't used, but it's a start for you at least.

DaveR · Posted: Mon Nov 14, 2005 5:27 am Post subject:

SS,

Thank you SOOOOO much! That was just what I needed. And it uses no CPU resources until there's a device change.

Then when there's a change I can use other means to find out if the device I'm interested in was the one that changed.