Wsprintf(sLogicalDeviceID, L"%s", vtProp. Hr = pclsObj3->Get(L"DeviceID", 0, &vtProp, 0, 0) Hr = pWbemEnum3->Next(WBEM_INFINITE, 1, &pclsObj3, &uReturn3) StrReplace(wsQuery, L"\\", L"\\\\", ARRAYSIZE(wsQuery)) WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pWbemEnum3) On my Windows system this shows up under "Portable Devices" in "Device Manager".ĭevice SWD\WPDBUSENUM_?_USBSTOR#Disk&Ven_Logger&Prod_&Rev_1.00#9&319384a2&0&24842CB953324D5946202020FF170720&0# WHERE AssocClass = Win32_LogicalDiskToPartition") The drive, letter D:// is a UF2, fat filesystem which I am using to flash upgrade an embedded device. ![]() A dialog box pops up, select the Details tab and Hardware ID's property. Select the port of interest, in this case COM8, right click and select Properties. Here's what I see on my machine when the Arduino board is plugged in. ![]() From this how am I able to find which drive letter the USB storage has mounted on? Open the device manager and expand the list of COM ports. The API consists of a USB root object, from which all children can be accessed like python container types. I have written a C++ application which is able to detect multiple USB VID and PID devices upon insertion and removal by matching "USB\VID_%04X&PID_%04X".
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