inquire the usb exist in windows system, you can search the divece by specified PID. A list box return the device PID path etc.

AssemblyInfo.vb
CUSB.vb
Form_main.resx
Form_main.vb
GUID.vb
HIDP_CAPS.vb
licenses.licx
Module_api.vb
usb_test_vb.vbproj
usb_test_vb.vbproj.user
obj\Debug\buildinfo.inf
...\.....\led_test_vb.exe
...\.....\led_test_vb.exe.licenses
...\.....\led_test_vb.Form_main.resources
...\.....\led_test_vb.pdb
Aqua02.jpg
Aqua05.jpg
obj\Debug\temp
...\.....\TempPE
...\Debug
obj

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