Authored by Philip Ries [MSFT]
Last week, at the Microsoft Build Developer Conference-2013 , a new Windows Runtime API ( Windows.Devices.Usb ) was unveiled for Windows 8.1 Preview . Windows Store apps can now use the new API to communicate with USB devices. For more information, see this video .
In this post, I'll provide some instructions that you might find useful while debugging your app. Follow these instructions on the system that is running your app:
The preceding commands,
http://msdl.microsoft.com/downloads/symbolsto the symbol path and click OK .
The messages shown in Traceview are debug trace statements for the trace providers specified in step 3:
If you are trying to analyze errors originating from the device, it's best to use a USB ETW trace or a hardware bus trace.
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