DECLARE SHORT GetVolumeInformation IN Win32API; STRING @lpRootPathName, STRING @lpVolumeNameBuffer,; INTEGER nVolumeNameSize, INTEGER @lpVolumeSerialNumber,; INTEGER @lpMaximumComponentLength, INTEGER @lpFileSystemFlags,; STRING @lpFileSystemNameBuffer, INTEGER nFileSystemNameSize lcroot = "C:\" STORE 0 TO lnserialno, lncomplen, lnsysflags STORE SPACE(260) TO lcvolname, lcsysname STORE LEN(lcvolname) TO lnvolsize, lnnamesize llresult = (GetVolumeInformation(@lcroot, @lcvolname,; lnvolsize, @lnserialno, @lncomplen, @lnsysflags,; @lcsysname, lnnamesize) # 0)The lnserialno variable will contain the serial number.