mixerGetLineControlsA

// WINMM.dll  (ANSI / -A)
#include <windows.h>

DWORD mixerGetLineControlsA(
    HMIXEROBJ hmxobj,   // optional
    MIXERLINECONTROLSA* pmxlc,
    DWORD fdwControls
);

<DllImport("WINMM.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function mixerGetLineControlsA(
    hmxobj As IntPtr,   ' HMIXEROBJ optional
    pmxlc As IntPtr,   ' MIXERLINECONTROLSA* in/out
    fdwControls As UInteger   ' DWORD
) As UInteger
End Function

' hmxobj : HMIXEROBJ optional
' pmxlc : MIXERLINECONTROLSA* in/out
' fdwControls : DWORD
Declare PtrSafe Function mixerGetLineControlsA Lib "winmm" ( _
    ByVal hmxobj As LongPtr, _
    ByVal pmxlc As LongPtr, _
    ByVal fdwControls As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

mixerGetLineControlsA = ctypes.windll.winmm.mixerGetLineControlsA
mixerGetLineControlsA.restype = wintypes.DWORD
mixerGetLineControlsA.argtypes = [
    wintypes.HANDLE,  # hmxobj : HMIXEROBJ optional
    ctypes.c_void_p,  # pmxlc : MIXERLINECONTROLSA* in/out
    wintypes.DWORD,  # fdwControls : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
mixerGetLineControlsA = Fiddle::Function.new(
  lib['mixerGetLineControlsA'],
  [
    Fiddle::TYPE_VOIDP,  # hmxobj : HMIXEROBJ optional
    Fiddle::TYPE_VOIDP,  # pmxlc : MIXERLINECONTROLSA* in/out
    -Fiddle::TYPE_INT,  # fdwControls : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn mixerGetLineControlsA(
        hmxobj: *mut core::ffi::c_void,  // HMIXEROBJ optional
        pmxlc: *mut MIXERLINECONTROLSA,  // MIXERLINECONTROLSA* in/out
        fdwControls: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll", CharSet = CharSet.Ansi)]
public static extern uint mixerGetLineControlsA(IntPtr hmxobj, IntPtr pmxlc, uint fdwControls);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mixerGetLineControlsA' -Namespace Win32 -PassThru
# $api::mixerGetLineControlsA(hmxobj, pmxlc, fdwControls)

#uselib "WINMM.dll"
#func global mixerGetLineControlsA "mixerGetLineControlsA" sptr, sptr, sptr
; mixerGetLineControlsA hmxobj, varptr(pmxlc), fdwControls   ; 戻り値は stat
; hmxobj : HMIXEROBJ optional -> "sptr"
; pmxlc : MIXERLINECONTROLSA* in/out -> "sptr"
; fdwControls : DWORD -> "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 "WINMM.dll"
#cfunc global mixerGetLineControlsA "mixerGetLineControlsA" sptr, var, int
; res = mixerGetLineControlsA(hmxobj, pmxlc, fdwControls)
; hmxobj : HMIXEROBJ optional -> "sptr"
; pmxlc : MIXERLINECONTROLSA* in/out -> "var"
; fdwControls : DWORD -> "int"
; ※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 mixerGetLineControlsA(HMIXEROBJ hmxobj, MIXERLINECONTROLSA* pmxlc, DWORD fdwControls)
#uselib "WINMM.dll"
#cfunc global mixerGetLineControlsA "mixerGetLineControlsA" intptr, var, int
; res = mixerGetLineControlsA(hmxobj, pmxlc, fdwControls)
; hmxobj : HMIXEROBJ optional -> "intptr"
; pmxlc : MIXERLINECONTROLSA* in/out -> "var"
; fdwControls : DWORD -> "int"
; ※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 (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmixerGetLineControlsA = winmm.NewProc("mixerGetLineControlsA")
)

// hmxobj (HMIXEROBJ optional), pmxlc (MIXERLINECONTROLSA* in/out), fdwControls (DWORD)
r1, _, err := procmixerGetLineControlsA.Call(
	uintptr(hmxobj),
	uintptr(pmxlc),
	uintptr(fdwControls),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mixerGetLineControlsA(
  hmxobj: THandle;   // HMIXEROBJ optional
  pmxlc: Pointer;   // MIXERLINECONTROLSA* in/out
  fdwControls: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'mixerGetLineControlsA';

result := DllCall("WINMM\mixerGetLineControlsA"
    , "Ptr", hmxobj   ; HMIXEROBJ optional
    , "Ptr", pmxlc   ; MIXERLINECONTROLSA* in/out
    , "UInt", fdwControls   ; DWORD
    , "UInt")   ; return: DWORD

●mixerGetLineControlsA(hmxobj, pmxlc, fdwControls) = DLL("WINMM.dll", "dword mixerGetLineControlsA(void*, void*, dword)")
# 呼び出し: mixerGetLineControlsA(hmxobj, pmxlc, fdwControls)
# hmxobj : HMIXEROBJ optional -> "void*"
# pmxlc : MIXERLINECONTROLSA* in/out -> "void*"
# fdwControls : DWORD -> "dword"
# 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)。