Private Declare Function GetVersionEx Lib "kernel32" Alias "GetVersionExA" (ByRef lpVersionInformation As OSVERSIONINFO) As Integer

    GetVersionEx(o)

    GetVersionEx(o)

private static extern bool GetVersionEx(ref OSVERSIONINFOEX osvi);

    Private Declare Function GetVersionEx Lib "kernel32.dll" _

    Alias "GetVersionExA" _

    If GetVersionEx(osv) = 1 Then

    If GetVersionEx(osv) = 1 Then

GetVersionEx(ref osVersionInfo);

     DiskSmartGetVersion = (EFileDevice.Disk << 16) | (0x0020 << 2) | EMethod.Buffered | (FileAccess.Read << 14),

   Private Declare Function DeviceIoControl Lib "kernel32" (ByVal hDevice As Integer, ByVal dwIoControlCode As Integer, ByRef lpInBuffer As IntPtr, ByVal nInBufferSize As Integer, ByRef lpOutBuffer As GETVERSIONOUTPARAMS, ByVal nOutBufferSize As Integer, ByRef lpBytesReturned As Integer, ByVal lpOverlapped As IntPtr) As Integer

   Private Declare Ansi Function GetVersionEx Lib "kernel32" Alias "GetVersionExA" (ByRef i As OSVERSIONINFO) As Boolean

   Structure GETVERSIONOUTPARAMS

   Private Sub test(ByVal VerParam As GETVERSIONOUTPARAMS, ByVal hdrive As Integer)

       Dim VersionParams As New GETVERSIONOUTPARAMS()

System.Diagnostics.FileVersionInfo.GetVersionInfo(fileName)

static extern bool GetVersionEx( ref OSVERSIONINFO osvi );  

Private Shared Function GetVersionEx(ByRef osvi As OSVERSIONINFO) As Boolean

Private Shared Function GetVersionEx(<[In](), Out()> ByVal osvi As OSVERSIONINFO) As Boolean

GetVersionEx( osvi );

GetVersionEx( ref osvi2 );

static extern bool GetVersionEx( ref OSVERSIONINFO osvi );  

Private Shared Function GetVersionEx(ByRef osvi As OSVERSIONINFO) As Boolean

Private Shared Function GetVersionEx(<[In](), Out()> ByVal osvi As OSVERSIONINFO) As Boolean

GetVersionEx( osvi );

GetVersionEx( ref osvi2 );

    If GetVersionEx(osv) = 1 Then

    If GetVersionEx(osv) = 1 Then

static extern uint DhcpGetVersion(

Declare Unicode Function DhcpGetVersion Lib "Dhcpsapi" ( _

Use the overloaded API call GetVersionEx().

Use the overloaded API call GetVersionEx().

    public static void getVersion(ref GSVersion version)

        Ghostscript.getVersion(ref gsVer);

public static extern int CeGetVersionEx(ref CEOSVERSIONINFO ceosver);

function info on msdn at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wceactsy/html/cerefCeGetVersionExRAPI.asp