' Retrieve the serial number of the specified drive' Note: requires a reference to the System.Management assembly' Example: MessageBox.Show(GetDriveSerialNumber("D"c))Function GetDriveSerialNumber(ByVal driveLetter As Char) As String Dim driveFilter As String = "Win32_LogicalDisk=""" & driveLetter.ToString & _ ":""" Dim drive As New System.Management.ManagementObject(driveFilter) Return drive("VolumeSerialNumber")End Function