Private Declare Function GetDiskFreeSpaceEx Lib "kernel32" Alias "GetDiskFreeSpaceExA" (ByVal lpRootPathName As String, lpFreeBytesAvailableToCaller As Currency, lpTotalNumberOfBytes As Currency, lpTotalNumberOfFreeBytes As Currency) As Long
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Public Sub GetFreeSpace(strDrv As String)
Dim r As Long
Dim BytesFreeToCalller As Currency
Dim TotalBytes As Currency
Dim TotalFreeBytes As Currency
Dim TotalBytesUsed As Currency
Call GetDiskFreeSpaceEx(strDrv, BytesFreeToCalller, TotalBytes, TotalFreeBytes)
MsgBox "Total Number of Bytes: " & Format$(TotalBytes * 10000,"###,###,###,##0")
MsgBox "Total Free Bytes: " & Format$(TotalFreeBytes * 10000,"###,###,###,##0")
MsgBox "Free Bytes Available: " & Format$(BytesFreeToCalller * 10000,"###,###,###,##0")
MsgBox "Total Space Used: " & Format$((TotalBytes - TotalFreeBytes) * 10000, "###,###,###,##0")
End Sub