Device Error Handling

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I want to catch the device errors thrown by Daqfactory when a labjack is disconnected or not present on startup.

I have some startup code that autoruns and initiates the labjack etc. I want this code to try to communicate and catch the device error if no labjack is present and display a message box saying the labjack should be plugged in etc. Then when the message box is 'ok'd', it tries to run the startup sequence again. I also want to catch the error when it's disconnected whilst running, although in this case it will reconnect automatically but I would stop a sequence running and display a message. 


The error code is D0050:01:1007 for no labjack found - i assume the 01 is the device number and the last 4 digits the unique code. It's 1015 for labjack disconnected.

I know how to catch 'C' errors and display messages etc. I have tried catch("D0050") and catch ("D0050:01:1007") with no luck.


Any tips?








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