ByRef pInterfaceGuid As Guid, _

                         ByRef pConnectionParameters As WLAN_CONNECTION_PARAMETERS, _

     Public Shared Function WlanEnumInterfaces(<[In]> ByVal hClientHandle As IntPtr, ByVal pReserved As IntPtr, ByRef ppInterfaceList As IntPtr) As UInteger

     Public Shared Function WlanGetAvailableNetworkList(ByVal hClientHandle As IntPtr, ByRef pInterfaceGuid As Guid, ByVal dwFlags As UInteger, ByVal pReserved As IntPtr, ByRef ppAvailableNetworkList As IntPtr) As UInteger

    Public Shared Function WlanOpenHandle(ByVal dwClientVersion As UInteger, ByVal pReserved As IntPtr, <Out> ByRef pdwNegotiatedVersion As UInteger, ByRef phClientHandle As IntPtr) As UInteger

    <[In]> ByRef pInterfaceGuid As Guid, ByVal OpCode As WLAN_INTF_OPCODE, _

    ByVal pReserved As IntPtr, <Out> ByRef pdwDataSize As UInteger, _

    ByRef ppData As IntPtr, ByVal pWlanOpcodeValueType As IntPtr) As UInteger

    Public Delegate Sub WLAN_NOTIFICATION_CALLBACK(ByRef notificationData As WLAN_NOTIFICATION_DATA, ByVal context As IntPtr)

                            <Out()> ByRef pdwPrevNotifSource As WLAN_NOTIFICATION_SOURCE) As UInteger

Public Shared Function WlanScan(ByVal hClientHandle As IntPtr, ByRef pInterfaceGuid As Guid, ByVal pDot11Ssid As IntPtr, ByVal pIeData As IntPtr, ByVal pReserved As IntPtr) As UInteger

   userName As StringBuilder, ByRef userNameSize As Integer) As Integer

  ByVal userName As System.Text.StringBuilder, ByRef userNameSize As Integer) As Integer

Private Shared Function InitializeSecurityContext(ByRef phCredential As SECURITY_HANDLE, _

    ByRef phNewContext As SECURITY_HANDLE, _

    ByRef pOutput As SecBufferDesc, _

    ByRef pfContextAttr As UInteger, _

    ByRef ptsExpiry As SECURITY_INTEGER) As Integer

Private Shared Function FtpCommand(ByVal hConnect As IntPtr, ByVal fExpectResponse As Boolean, <MarshalAs(UnmanagedType.U4)> ByVal dwFlags As Integer, ByVal lpszCommand As String, ByVal dwContext As IntPtr, ByRef phFtpCommand As IntPtr) As Boolean

Private Shared Function GetSaveFileName(ByRef lpofn As OPENFILENAME) As Boolean

Private Shared Function PageSetupDlg(ByRef lppsd As PAGESETUPDLG_STRUCT) As Boolean

  <DllImport("cards.dll")> Private Shared Function cdtInit(ByRef width As Integer, ByRef height As Integer) As Boolean

    Private Declare Function cdtInit Lib "cards.dll" (ByRef width As Integer, ByRef height As Integer) As Boolean

Declare Function cdtInit Lib "cards.dll" (<[In]> ByRef Width As Integer, _

   <[In]> ByRef Height As Integer) As Boolean

    <Out> ByRef perceivedType As PerceivedType, _

    <Out> ByRef perceivedFlags As PerceivedFlags, _

Private Shared Function AssocQueryString(ByVal flags As UInteger, ByVal str As UInteger, ByVal pszAssoc As String, ByVal pszExtra As String, ByVal pszOut As Text.StringBuilder, ByRef pcchOut As UInteger) As UInteger

     ByRef pathLength As System.UInt32, _

     ByRef urlLength As System.UInt32, _

Private Declare Auto Function SQLAllocHandle Lib "odbc32.dll" (ByVal HandleType As Short, ByVal InputHandle As IntPtr, ByRef OutputHandle As IntPtr) As Short

    ByRef statementHandle As IntPtr) As Short

IntPtr, <Out> ByRef StrLen_or_Ind As IntPtr) As Short

    ByVal ServerName As String, ByVal BufferLength1 As Short, ByRef NameLength1Ptr As Short, _

    ByVal Description As String, ByVal BufferLength2 As Short, ByRef NameLength2Ptr As Short) As Short

    <Runtime.InteropServices.Out()> ByRef pbcConnStrOut As Short, ByVal fDriverCompletion As Short) As Short

    ByRef strLen_or_Ind As Integer) As Short

    ByVal record As Short, ByVal sqlState As Text.StringBuilder, ByRef nativeError As Integer,

    ByVal errorMsg As Text.StringBuilder, ByVal errorMsgMax As Short, ByRef errorMsgLength As Short) As Short

Private Shared Function SndGetSound(ByVal seSoundEvent as SoundEvent, ByRef pSoundFileInfo as SNDFILEINFO) as UInteger

Private Shared Function SndSetSound(ByVal seSoundEvent as SoundEvent, ByRef pSoundFileInfo as SNDFILEINFO, ByVal fSuppressUI as Boolean) as UInteger

Private Declare Auto Function RasEnumDevices Lib "rasapi32.dll" (ByVal lpRasDevInfo As IntPtr, ByRef lpcb As Integer, ByRef lpcDevices As Integer) As Integer

     ByRef lpc As Int32, _

     ByRef lpcEntries As Int32) As ReturnCodes

     ByRef lpStatistics As RAS_STATS) As UInt32

    <[In](), Out()> ByRef lprasdialparams As RASDIALPARAMS, _

    <Out()> ByRef lpfPassword As Boolean) As Integer

                          ByRef lpdwEntrySize As UInt32, _

     ByRef lpdwFirstCacheEntryInfoBufferSize As Int32) As IntPtr

    ByRef lpGroupId As Long, _

        ByRef lpdwNextCacheEntryInfoBufferSize As Integer) As Boolean

    ByRef lpGroupId As Long, _

[MarshalAs(UnmanagedType.VBByRefStr)] ref string lpszCommand,

   ByRef findFileData As WIN32_FIND_DATA, ByVal flags As Integer, _

   (ByVal hConnect As IntPtr, ByVal directory As StringBuilder, ByRef bufferLength As Integer) _

Public Declare Function HttpQueryInfo Lib "wininet.dll" Alias "HttpQueryInfoA" (ByVal hHttpRequest As Integer, ByVal lInfoLevel As Integer, ByVal sBuffer As String, ByRef lBufferLength As Integer, ByRef lIndex As Integer) As Integer

Declare Function InternetCrackUrl Lib "wininet.dll" (ByVal lpszUrl As String, ByVal dwUrlLength As Integer, ByVal dwFlags As Integer, ByRef lpUrlComponents As URL_COMPONENTS) As <MarshalAs(UnmanagedType.Bool)> Boolean

   (ByVal hFind As IntPtr, ByRef findFileData As WIN32_FIND_DATA) _

  (ByRef lpdwFlags As Int32, ByVal dwReserved As Int32) As Boolean

Function Get_InternetConnectedState(ByRef p_lngFlags As Long, Optional ByRef p_return_str As String = "") As Boolean

    ByVal pchCookieData As System.Text.StringBuilder, ByRef pcchCookieData As Integer, ByVal flags As Integer, ByVal reserved As Integer) As _

    ByVal pchCookieData As System.Text.StringBuilder, ByRef pcchCookieData As Integer, ByVal flags As Integer, ByVal reserved As Integer) As _

   (ByRef errorCode As Integer, ByVal buffer As String, ByRef bufferLength As Integer) _

<DllImport("wininet.dll", SetLastError:=True)> Shared Function InternetQueryOption(ByVal hInternet As IntPtr, ByVal dwOption As UInteger, ByVal  lpBuffer() As Char, ByRef lpdwBufferLength As Integer) As Boolean

Declare Function HidD_FreePreparsedData Lib "hid.dll" (ByRef PreparsedData As Integer) As Boolean

For VB - Must include "Imports Microsoft.Win32.SafeHandles". The reportBuffer parameter must be ByVal. The call will fail with windows system error 23 if it is ByRef.

Declare Function GetGuid Lib dll" (ByRef Guid Guid) As void

   <[In]> ByRef iidResult As Guid, <MarshalAs(UnmanagedType.Interface), Out> ByRef _

                           ByRef lplpMessageFilter As IMessageFilter) As Integer

Private Declare Function CreateFileMoniker Lib "ole32.dll" (ByVal lpszPathName As String, ByRef ppmk As IMoniker) As Integer

                              <Out()> ByRef ppLkbyt As IlockBytes) _

    Declare Function CreateStreamOnHGlobal Lib "ole32" (ByVal hGlobal As IntPtr, ByVal fDeleteOnRelease As Boolean, ByRef ppstm As UCOMIStream) As Long

    <[In]()> ByRef FMTID As Guid, _

    ByRef ppUnk As Object, _

    ByRef ppUnk As Object, _

    <Out()> ByRef FMTID As Guid) As Integer