GetDiskFreeSpaceEx.ps1 : script qui donne les infos d'espace disque sur C:\ - FONCTIONNE
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<#
BOOL WINAPI GetDiskFreeSpaceEx(
  __in_opt   LPCTSTR lpDirectoryName,
  __out_opt  PULARGE_INTEGER lpFreeBytesAvailable,
  __out_opt  PULARGE_INTEGER lpTotalNumberOfBytes,
  __out_opt  PULARGE_INTEGER lpTotalNumberOfFreeBytes
);
#>

# Just declare Win32 API...
$a = Add-Type -memberDefinition @"
[DllImport("Kernel32.dll")]
public static extern bool GetDiskFreeSpaceEx(
string lpDirectoryName,
IntPtr lpFreeBytesAvailable,
IntPtr lpTotalNumberOfBytes,
IntPtr lpTotalNumberOfFreeBytes
);
"@ -passthru -name MyGetDiskFreeSpaceEx

# Alloc some memory ...
$fba = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(20);
$tnb = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(20);
$nfb = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(20);

# Call 'GetDiskFreeSpaceEx' ...
$a::GetDiskFreeSpaceEx("C:\", $fba, $tnb, $nfb)

# Get the Value storing in the memory pointed by $fba...
$x = [System.Runtime.InteropServices.Marshal]::ReadInt64($fba)
$y = [System.Runtime.InteropServices.Marshal]::ReadInt64($tnb)
$z = [System.Runtime.InteropServices.Marshal]::ReadInt64($nfb)

# Display the result ...
"FreeBytesAvailable: $($x)"
"TotalNumberOfBytes: $($y)"
"TotalNumberOfFreeBytes: $($z)"

# !! Free the memory ASAP....
[System.Runtime.InteropServices.Marshal]::FreeHGlobal($fba);
[System.Runtime.InteropServices.Marshal]::FreeHGlobal($tnb);
[System.Runtime.InteropServices.Marshal]::FreeHGlobal($nfb);
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GetDiskClusterInfo.ps1 : script qui donne les infos de cluster sur C:\ - NE FONCTIONNE PAS
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<#
BOOL WINAPI GetDiskFreeSpace(
  __in   LPCTSTR lpRootPathName,
  __out  LPDWORD lpSectorsPerCluster,
  __out  LPDWORD lpBytesPerSector,
  __out  LPDWORD lpNumberOfFreeClusters,
  __out  LPDWORD lpTotalNumberOfClusters
);
#>
# Just declare Win32 API...
$b = Add-Type -memberDefinition @"
[DllImport("Kernel32.dll")]
public static extern bool GetDiskFreeSpace(
string lpRootName,
IntPtr lpSectorsPerCluster,
IntPtr lpBytesPerSector,
IntPtr lpNumberOfFreeClusters
IntPtr lpTotalNumberOfClusters
);
"@ -passthru -name MyGetDiskFreeSpace

# Alloc some memory ...
$spc = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(20);
$bps = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(20);
$nfc = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(20);
$tnc = [System.Runtime.InteropServices.Marshal]::AllocHGlobal(20);

# Call 'GetDiskFreeSpace' ...
$b::GetDiskFreeSpace("C:\", $spc, $bps, $nfc, $tnc)

# Get the Value stored in the memory pointed by $spc...
$x = [System.Runtime.InteropServices.Marshal]::ReadInt32($spc)
$y = [System.Runtime.InteropServices.Marshal]::ReadInt32($bps)
$z = [System.Runtime.InteropServices.Marshal]::ReadInt32($nfc)
$t = [System.Runtime.InteropServices.Marshal]::ReadInt32($tnc)

# Display the result ...
"SectorsPerCluster: $($x)"
"BytesPerSector: $($y)"
"NumberOfFreeClusters: $($z)"
"TotalNumberOfClusters: $($t)"

# !! Free the memory ASAP....
[System.Runtime.InteropServices.Marshal]::FreeHGlobal($spc);
[System.Runtime.InteropServices.Marshal]::FreeHGlobal($bps);
[System.Runtime.InteropServices.Marshal]::FreeHGlobal($nfc);
[System.Runtime.InteropServices.Marshal]::FreeHGlobal($tnc);
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