API -> GetDiskFreeSpaceEx [ Library : kernel32.dll, Category :

GetDiskFreeSpaceEx

Library : kernel32.dll Category : _CategoryNotSet

Api Example(s)
Determine whether an API function is available
Use Currency instead of LARGE_INTEGER values
GetDiskFreeBytes - Determine number of free bytes on disk
This is a link to different site Using GetDiskFreeSpaceEx on 32-bit Windows

API Description :

The GetDiskFreeSpaceEx function obtains information about the amount of space available on a disk volume: the total amount of space, the total amount of free space, and the total amount of free space available to the user associated with the calling threa

VB Declaration :

Show Multiline Public Private

Declare Function GetDiskFreeSpaceEx Lib "kernel32" Alias "GetDiskFreeSpaceExA" (ByVaL lpDirectoryName As String, ByRef lpFreeBytesAvailableToCaller As ULARGE_INTEGER, ByRef lpTotalNumberOfBytes As ULARGE_INTEGER, ByRef lpTotalNumberOfFreeBytes As ULARGE_INTEGER) As Long

Parameters :

· lpDirectoryName
Pointer to a null-terminated string that specifies a directory on the disk of interest. This string can be a UNC name.
If lpDirectoryName is NULL, the GetDiskFreeSpaceEx function obtains information about the disk that contains the cur

Return :

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.

OS Requirement :

Windows NT 4.0 or later
Windows 95 OSR2 or later

Dotnet Replacement :

System.Management.ManagementObject("Win32_LogicalDisk.DeviceID=\"C:\"").Get System.Management.ManagementObject.Properties