lineSetCallParams

// TAPI32.dll
#include <windows.h>

INT lineSetCallParams(
    DWORD hCall,
    DWORD dwBearerMode,
    DWORD dwMinRate,
    DWORD dwMaxRate,
    const LINEDIALPARAMS* lpDialParams
);

<DllImport("TAPI32.dll", ExactSpelling:=True)>
Public Shared Function lineSetCallParams(
    hCall As UInteger,   ' DWORD
    dwBearerMode As UInteger,   ' DWORD
    dwMinRate As UInteger,   ' DWORD
    dwMaxRate As UInteger,   ' DWORD
    lpDialParams As IntPtr   ' LINEDIALPARAMS*
) As Integer
End Function

' hCall : DWORD
' dwBearerMode : DWORD
' dwMinRate : DWORD
' dwMaxRate : DWORD
' lpDialParams : LINEDIALPARAMS*
Declare PtrSafe Function lineSetCallParams Lib "tapi32" ( _
    ByVal hCall As Long, _
    ByVal dwBearerMode As Long, _
    ByVal dwMinRate As Long, _
    ByVal dwMaxRate As Long, _
    ByVal lpDialParams 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

lineSetCallParams = ctypes.windll.tapi32.lineSetCallParams
lineSetCallParams.restype = ctypes.c_int
lineSetCallParams.argtypes = [
    wintypes.DWORD,  # hCall : DWORD
    wintypes.DWORD,  # dwBearerMode : DWORD
    wintypes.DWORD,  # dwMinRate : DWORD
    wintypes.DWORD,  # dwMaxRate : DWORD
    ctypes.c_void_p,  # lpDialParams : LINEDIALPARAMS*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineSetCallParams = Fiddle::Function.new(
  lib['lineSetCallParams'],
  [
    -Fiddle::TYPE_INT,  # hCall : DWORD
    -Fiddle::TYPE_INT,  # dwBearerMode : DWORD
    -Fiddle::TYPE_INT,  # dwMinRate : DWORD
    -Fiddle::TYPE_INT,  # dwMaxRate : DWORD
    Fiddle::TYPE_VOIDP,  # lpDialParams : LINEDIALPARAMS*
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn lineSetCallParams(
        hCall: u32,  // DWORD
        dwBearerMode: u32,  // DWORD
        dwMinRate: u32,  // DWORD
        dwMaxRate: u32,  // DWORD
        lpDialParams: *const LINEDIALPARAMS  // LINEDIALPARAMS*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll")]
public static extern int lineSetCallParams(uint hCall, uint dwBearerMode, uint dwMinRate, uint dwMaxRate, IntPtr lpDialParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineSetCallParams' -Namespace Win32 -PassThru
# $api::lineSetCallParams(hCall, dwBearerMode, dwMinRate, dwMaxRate, lpDialParams)

#uselib "TAPI32.dll"
#func global lineSetCallParams "lineSetCallParams" sptr, sptr, sptr, sptr, sptr
; lineSetCallParams hCall, dwBearerMode, dwMinRate, dwMaxRate, varptr(lpDialParams)   ; 戻り値は stat
; hCall : DWORD -> "sptr"
; dwBearerMode : DWORD -> "sptr"
; dwMinRate : DWORD -> "sptr"
; dwMaxRate : DWORD -> "sptr"
; lpDialParams : LINEDIALPARAMS* -> "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 "TAPI32.dll"
#cfunc global lineSetCallParams "lineSetCallParams" int, int, int, int, var
; res = lineSetCallParams(hCall, dwBearerMode, dwMinRate, dwMaxRate, lpDialParams)
; hCall : DWORD -> "int"
; dwBearerMode : DWORD -> "int"
; dwMinRate : DWORD -> "int"
; dwMaxRate : DWORD -> "int"
; lpDialParams : LINEDIALPARAMS* -> "var"
; ※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。

; INT lineSetCallParams(DWORD hCall, DWORD dwBearerMode, DWORD dwMinRate, DWORD dwMaxRate, LINEDIALPARAMS* lpDialParams)
#uselib "TAPI32.dll"
#cfunc global lineSetCallParams "lineSetCallParams" int, int, int, int, var
; res = lineSetCallParams(hCall, dwBearerMode, dwMinRate, dwMaxRate, lpDialParams)
; hCall : DWORD -> "int"
; dwBearerMode : DWORD -> "int"
; dwMinRate : DWORD -> "int"
; dwMaxRate : DWORD -> "int"
; lpDialParams : LINEDIALPARAMS* -> "var"
; ※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 (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclineSetCallParams = tapi32.NewProc("lineSetCallParams")
)

// hCall (DWORD), dwBearerMode (DWORD), dwMinRate (DWORD), dwMaxRate (DWORD), lpDialParams (LINEDIALPARAMS*)
r1, _, err := proclineSetCallParams.Call(
	uintptr(hCall),
	uintptr(dwBearerMode),
	uintptr(dwMinRate),
	uintptr(dwMaxRate),
	uintptr(lpDialParams),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function lineSetCallParams(
  hCall: DWORD;   // DWORD
  dwBearerMode: DWORD;   // DWORD
  dwMinRate: DWORD;   // DWORD
  dwMaxRate: DWORD;   // DWORD
  lpDialParams: Pointer   // LINEDIALPARAMS*
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineSetCallParams';

result := DllCall("TAPI32\lineSetCallParams"
    , "UInt", hCall   ; DWORD
    , "UInt", dwBearerMode   ; DWORD
    , "UInt", dwMinRate   ; DWORD
    , "UInt", dwMaxRate   ; DWORD
    , "Ptr", lpDialParams   ; LINEDIALPARAMS*
    , "Int")   ; return: INT

●lineSetCallParams(hCall, dwBearerMode, dwMinRate, dwMaxRate, lpDialParams) = DLL("TAPI32.dll", "int lineSetCallParams(dword, dword, dword, dword, void*)")
# 呼び出し: lineSetCallParams(hCall, dwBearerMode, dwMinRate, dwMaxRate, lpDialParams)
# hCall : DWORD -> "dword"
# dwBearerMode : DWORD -> "dword"
# dwMinRate : DWORD -> "dword"
# dwMaxRate : DWORD -> "dword"
# lpDialParams : LINEDIALPARAMS* -> "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)。