TcAddFlow

// TRAFFIC.dll
#include <windows.h>

DWORD TcAddFlow(
    HANDLE IfcHandle,
    HANDLE ClFlowCtx,
    DWORD Flags,
    TC_GEN_FLOW* pGenericFlow,
    HANDLE* pFlowHandle
);

<DllImport("TRAFFIC.dll", ExactSpelling:=True)>
Public Shared Function TcAddFlow(
    IfcHandle As IntPtr,   ' HANDLE
    ClFlowCtx As IntPtr,   ' HANDLE
    Flags As UInteger,   ' DWORD
    pGenericFlow As IntPtr,   ' TC_GEN_FLOW*
    pFlowHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function

' IfcHandle : HANDLE
' ClFlowCtx : HANDLE
' Flags : DWORD
' pGenericFlow : TC_GEN_FLOW*
' pFlowHandle : HANDLE* out
Declare PtrSafe Function TcAddFlow Lib "traffic" ( _
    ByVal IfcHandle As LongPtr, _
    ByVal ClFlowCtx As LongPtr, _
    ByVal Flags As Long, _
    ByVal pGenericFlow As LongPtr, _
    ByVal pFlowHandle As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

TcAddFlow = ctypes.windll.traffic.TcAddFlow
TcAddFlow.restype = wintypes.DWORD
TcAddFlow.argtypes = [
    wintypes.HANDLE,  # IfcHandle : HANDLE
    wintypes.HANDLE,  # ClFlowCtx : HANDLE
    wintypes.DWORD,  # Flags : DWORD
    ctypes.c_void_p,  # pGenericFlow : TC_GEN_FLOW*
    ctypes.c_void_p,  # pFlowHandle : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TRAFFIC.dll')
TcAddFlow = Fiddle::Function.new(
  lib['TcAddFlow'],
  [
    Fiddle::TYPE_VOIDP,  # IfcHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # ClFlowCtx : HANDLE
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # pGenericFlow : TC_GEN_FLOW*
    Fiddle::TYPE_VOIDP,  # pFlowHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "traffic")]
extern "system" {
    fn TcAddFlow(
        IfcHandle: *mut core::ffi::c_void,  // HANDLE
        ClFlowCtx: *mut core::ffi::c_void,  // HANDLE
        Flags: u32,  // DWORD
        pGenericFlow: *mut TC_GEN_FLOW,  // TC_GEN_FLOW*
        pFlowHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TRAFFIC.dll")]
public static extern uint TcAddFlow(IntPtr IfcHandle, IntPtr ClFlowCtx, uint Flags, IntPtr pGenericFlow, IntPtr pFlowHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TRAFFIC_TcAddFlow' -Namespace Win32 -PassThru
# $api::TcAddFlow(IfcHandle, ClFlowCtx, Flags, pGenericFlow, pFlowHandle)

#uselib "TRAFFIC.dll"
#func global TcAddFlow "TcAddFlow" sptr, sptr, sptr, sptr, sptr
; TcAddFlow IfcHandle, ClFlowCtx, Flags, varptr(pGenericFlow), pFlowHandle   ; 戻り値は stat
; IfcHandle : HANDLE -> "sptr"
; ClFlowCtx : HANDLE -> "sptr"
; Flags : DWORD -> "sptr"
; pGenericFlow : TC_GEN_FLOW* -> "sptr"
; pFlowHandle : HANDLE* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "TRAFFIC.dll"
#cfunc global TcAddFlow "TcAddFlow" sptr, sptr, int, var, sptr
; res = TcAddFlow(IfcHandle, ClFlowCtx, Flags, pGenericFlow, pFlowHandle)
; IfcHandle : HANDLE -> "sptr"
; ClFlowCtx : HANDLE -> "sptr"
; Flags : DWORD -> "int"
; pGenericFlow : TC_GEN_FLOW* -> "var"
; pFlowHandle : HANDLE* out -> "sptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD TcAddFlow(HANDLE IfcHandle, HANDLE ClFlowCtx, DWORD Flags, TC_GEN_FLOW* pGenericFlow, HANDLE* pFlowHandle)
#uselib "TRAFFIC.dll"
#cfunc global TcAddFlow "TcAddFlow" intptr, intptr, int, var, intptr
; res = TcAddFlow(IfcHandle, ClFlowCtx, Flags, pGenericFlow, pFlowHandle)
; IfcHandle : HANDLE -> "intptr"
; ClFlowCtx : HANDLE -> "intptr"
; Flags : DWORD -> "int"
; pGenericFlow : TC_GEN_FLOW* -> "var"
; pFlowHandle : HANDLE* out -> "intptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	traffic = windows.NewLazySystemDLL("TRAFFIC.dll")
	procTcAddFlow = traffic.NewProc("TcAddFlow")
)

// IfcHandle (HANDLE), ClFlowCtx (HANDLE), Flags (DWORD), pGenericFlow (TC_GEN_FLOW*), pFlowHandle (HANDLE* out)
r1, _, err := procTcAddFlow.Call(
	uintptr(IfcHandle),
	uintptr(ClFlowCtx),
	uintptr(Flags),
	uintptr(pGenericFlow),
	uintptr(pFlowHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function TcAddFlow(
  IfcHandle: THandle;   // HANDLE
  ClFlowCtx: THandle;   // HANDLE
  Flags: DWORD;   // DWORD
  pGenericFlow: Pointer;   // TC_GEN_FLOW*
  pFlowHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'TRAFFIC.dll' name 'TcAddFlow';

result := DllCall("TRAFFIC\TcAddFlow"
    , "Ptr", IfcHandle   ; HANDLE
    , "Ptr", ClFlowCtx   ; HANDLE
    , "UInt", Flags   ; DWORD
    , "Ptr", pGenericFlow   ; TC_GEN_FLOW*
    , "Ptr", pFlowHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD

●TcAddFlow(IfcHandle, ClFlowCtx, Flags, pGenericFlow, pFlowHandle) = DLL("TRAFFIC.dll", "dword TcAddFlow(void*, void*, dword, void*, void*)")
# 呼び出し: TcAddFlow(IfcHandle, ClFlowCtx, Flags, pGenericFlow, pFlowHandle)
# IfcHandle : HANDLE -> "void*"
# ClFlowCtx : HANDLE -> "void*"
# Flags : DWORD -> "dword"
# pGenericFlow : TC_GEN_FLOW* -> "void*"
# pFlowHandle : HANDLE* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。