private const UInt32 OPEN_EXISTING = 3;

        0, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);

   Private Const OPEN_EXISTING As Short = 3

       hdrive = CreateFile(".PHYSICALDRIVE0", GENERIC_READ Or GENERIC_WRITE, FILE_SHARE_READ Or FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero)

    //3 - OPEN_EXISTING - recommended by MSDN to get the buffer correctly

        OPEN_EXISTING,

        IntPtr handle = CreateFile(PathString, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, 0); //PInvoked too

    private const uint OPEN_EXISTING = 3;

        ptr = CreateFile(FileName, GENERIC_READ, FILE_SHARE_READ, IntPtr.Zero, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, IntPtr.Zero);

private const uint OPEN_EXISTING     = 3;

deviceHandle = CreateFile(devicePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, IntPtr.Zero);

short OPEN_EXISTING = 3;

Private Const OPEN_EXISTING = 3

    public const int CERT_STORE_OPEN_EXISTING_FLAG = 0x00004000;

    Public Const CERT_STORE_OPEN_EXISTING_FLAG As Integer = &H4000

public const uint OPEN_EXISTING = 3;

   IntPtr h = CreateFile(DevicePath.TrimEnd('\\'), 0, 0, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);

IntPtr h = CreateFile(Root.HubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);

IntPtr h = CreateFile(PortHubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);

IntPtr h = CreateFile(HubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);

IntPtr h = CreateFile(PortHubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);

IntPtr h = CreateFile(Root.HubDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);

IntPtr h = CreateFile(ControllerDevicePath, GENERIC_WRITE, FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);