by Anonymous (267 Submissions)
Category: Windows API Call/Explanation
Compatability: Visual Basic 4.0 (32-bit)
Difficulty: Unknown Difficulty
Originally Published: Tue 24th November 1998
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Find free disk space on a computer
API Declarations
Public Type DiskInformation
lpSectorsPerCluster As Long
lpBytesPerSector As Long
lpNumberOfFreeClusters As Long
lpTotalNumberOfClusters As Long
End Type
VBcoders
Dim lAnswer As Long
Dim lpRootPathName As String
Dim lpSectorsPerCluster As Long
Dim lpBytesPerSector As Long
Dim lpNumberOfFreeClusters As Long
Dim lpTotalNumberOfClusters As Long
Dim lBytesPerCluster As Long
Dim lNumFreeBytes As Double
Dim sString As String
lpRootPathName = "c:\"
lAnswer = GetDiskFreeSpace(lpRootPathName, lpSectorsPerCluster, lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters)
lBytesPerCluster = lpSectorsPerCluster * lpBytesPerSector
lNumFreeBytes = lBytesPerCluster * lpNumberOfFreeClusters
sString = "Number of Free Bytes : " & lNumFreeBytes & vbCr & vbLf
sString = sString & "Number of Free Kilobytes: " & (lNumFreeBytes / 1024) & "K" & vbCr & vbLf
sString = sString & "Number of Free Megabytes: " & Format(((lNumFreeBytes / 1024) / 1024), "0.00") & "MB"
MsgBox sString
