• Requested information.
• 0 if an error occurred. To get the details of the error, use ErrorInfo with the errMessage constant.

Path of disk to use in the following format:

• <drive letter>:. For example: "A:". The drive letter is written in uppercase character.
• UNC path. For example: "\\<ServerName>\<ShareName>".

Specifies the requested type of information:

fdFreeSpace	Available disk space (in bytes)
fdTotalSpace	Total size of the disk (in bytes)
fdNbCluster	Number of disk clusters This constant is not available.
fdNbSectorPerCluster	Number of sectors per cluster This constant is not available.
fdVolumeName	Name of volume This constant is not available.
fdSerialNumber	Serial number of the disk, defined when the disk is formatted (differs from the serial number given by the manufacturer). This constant is not available.
fdFileNameSize	Maximum size of file name on the disk (in characters) This constant is not available.
fdSectorSize	Size of sector (in bytes) This constant is not available.
fdDriveType	Type of disk (see the table below) This constant is not available.