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SHGetDiskFreeSpace Retrieves disk space information for a disk volume.
VB4-32,5,6
Declare Function SHGetDiskFreeSpace Lib "shell32" Alias "SHGetDiskFreeSpaceA" (ByVal pszVolume As String, pqwFreeCaller As Currency, pqwTot As Currency, pqwFree As Currency) As Long |
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Operating Systems Supported |
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Requires Windows 2000 (or Windows NT 4.0 with Internet Explorer 4.0 or later); Requires Windows 98 (or Windows 95 with Internet Explorer 4.0 or later) |
- pszVolume
A NULL-terminated string that specifies the volume for which size information will be retrieved. This can be a drive letter, UNC name or the path of a folder. You cannot use NULL to represent the current drive.
- pqwFreeCaller
Address of a ULARGE_INTEGER value that receives the number of bytes available to the caller on the volume. If the operating system implements per-user quotas, this value may be less than the total number of free bytes on the volume.
- pqwTot
Address of a ULARGE_INTEGER value that receives the total size of the volume, in bytes.
- pqwFree
Address of a ULARGE_INTEGER value that receives the number of bytes of free space on the volume. |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError. |
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