'Description: Returns drive free space

'Place the following code in a Form_Load()

'Private Declare Function GetDiskFreeSpace Lib "kernel32" Alias "GetDiskFreeSpaceA" ( ByVal lpRootPathName As String, lpSectorsPerCluster As Long, lpBytesPerSector As Long, lpNumberOfFreeClusters As Long, lpTotalNumberOfClusters As Long) As Long
Dim free_Space As Long
ChDrive "C:"
Dim numSectorsPerCluster As Long
Dim numBytesPerSector As Long
Dim numFreeClusters As Long
Dim numTotalClusters As Long
Dim success As Boolean
success = GetDiskFreeSpace("C:\", numSectorsPerCluster, numBytesPerSector,  numFreeClusters, numTotalClusters)
free_Space = numSectorsPerCluster * numBytesPerSector * numFreeClusters
Label1.Caption = "The total free space on Drive C: = " & format(Str$(free_Space/1024),"###,### ") & " KB"