Imports System.IO Public Class Form1 Class Form1 Public Const WM_DEVICECHANGE = &H219 Public Const DBT_DEVICEARRIVAL = &H8000 Public Const DBT_CONFIGCHANGECANCELED = &H19 Public Const DBT_CONFIGCHANGED = &H18 Public Const DBT_CUSTOMEVENT = &H8006 Public Const DBT_DEVICEQUERYREMOVE = &H8001 Public Const DBT_DEVICEQUERYREMOVEFAILED = &H8002 Public Const DBT_DEVICEREMOVECOMPLETE = &H8004 Public Const DBT_DEVICEREMOVEPENDING = &H8003 Public Const DBT_DEVICETYPESPECIFIC = &H8005 Public Const DBT_DEVNODES_CHANGED = &H7 Public Const DBT_QUERYCHANGECONFIG = &H17 Public Const DBT_USERDEFINED = &HFFFF