How to get the drive letter of pendrive

I want to get the drive letter of pendrive or e开发者_开发问答xternal harddisk connected through USB. Is it possible to get the Drive letter. I am using VC++

GetLogicalDriveStrings lists all existing drive letters and GetDriveType can determine whether the drive is removable. GetDriveType help suggests using SetupDiGetDeviceRegistryProperty to make sure the drive is USB one.