SetupDiGetActualSectionToInstallA

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

BOOL SetupDiGetActualSectionToInstallA(
    void* InfHandle,
    LPCSTR InfSectionName,
    LPSTR InfSectionWithExt,   // optional
    DWORD InfSectionWithExtSize,
    DWORD* RequiredSize,   // optional
    LPSTR* Extension   // optional
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupDiGetActualSectionToInstallA(
    InfHandle As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPStr)> InfSectionName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> InfSectionWithExt As System.Text.StringBuilder,   ' LPSTR optional, out
    InfSectionWithExtSize As UInteger,   ' DWORD
    RequiredSize As IntPtr,   ' DWORD* optional, out
    Extension As IntPtr   ' LPSTR* optional, out
) As Boolean
End Function

' InfHandle : void*
' InfSectionName : LPCSTR
' InfSectionWithExt : LPSTR optional, out
' InfSectionWithExtSize : DWORD
' RequiredSize : DWORD* optional, out
' Extension : LPSTR* optional, out
Declare PtrSafe Function SetupDiGetActualSectionToInstallA Lib "setupapi" ( _
    ByVal InfHandle As LongPtr, _
    ByVal InfSectionName As String, _
    ByVal InfSectionWithExt As String, _
    ByVal InfSectionWithExtSize As Long, _
    ByVal RequiredSize As LongPtr, _
    ByVal Extension 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

SetupDiGetActualSectionToInstallA = ctypes.windll.setupapi.SetupDiGetActualSectionToInstallA
SetupDiGetActualSectionToInstallA.restype = wintypes.BOOL
SetupDiGetActualSectionToInstallA.argtypes = [
    ctypes.POINTER(None),  # InfHandle : void*
    wintypes.LPCSTR,  # InfSectionName : LPCSTR
    wintypes.LPSTR,  # InfSectionWithExt : LPSTR optional, out
    wintypes.DWORD,  # InfSectionWithExtSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # RequiredSize : DWORD* optional, out
    ctypes.c_void_p,  # Extension : LPSTR* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupDiGetActualSectionToInstallA = Fiddle::Function.new(
  lib['SetupDiGetActualSectionToInstallA'],
  [
    Fiddle::TYPE_VOIDP,  # InfHandle : void*
    Fiddle::TYPE_VOIDP,  # InfSectionName : LPCSTR
    Fiddle::TYPE_VOIDP,  # InfSectionWithExt : LPSTR optional, out
    -Fiddle::TYPE_INT,  # InfSectionWithExtSize : DWORD
    Fiddle::TYPE_VOIDP,  # RequiredSize : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # Extension : LPSTR* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "setupapi")]
extern "system" {
    fn SetupDiGetActualSectionToInstallA(
        InfHandle: *mut (),  // void*
        InfSectionName: *const u8,  // LPCSTR
        InfSectionWithExt: *mut u8,  // LPSTR optional, out
        InfSectionWithExtSize: u32,  // DWORD
        RequiredSize: *mut u32,  // DWORD* optional, out
        Extension: *mut *mut u8  // LPSTR* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SetupDiGetActualSectionToInstallA(IntPtr InfHandle, [MarshalAs(UnmanagedType.LPStr)] string InfSectionName, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder InfSectionWithExt, uint InfSectionWithExtSize, IntPtr RequiredSize, IntPtr Extension);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupDiGetActualSectionToInstallA' -Namespace Win32 -PassThru
# $api::SetupDiGetActualSectionToInstallA(InfHandle, InfSectionName, InfSectionWithExt, InfSectionWithExtSize, RequiredSize, Extension)

#uselib "SETUPAPI.dll"
#func global SetupDiGetActualSectionToInstallA "SetupDiGetActualSectionToInstallA" sptr, sptr, sptr, sptr, sptr, sptr
; SetupDiGetActualSectionToInstallA InfHandle, InfSectionName, varptr(InfSectionWithExt), InfSectionWithExtSize, varptr(RequiredSize), varptr(Extension)   ; 戻り値は stat
; InfHandle : void* -> "sptr"
; InfSectionName : LPCSTR -> "sptr"
; InfSectionWithExt : LPSTR optional, out -> "sptr"
; InfSectionWithExtSize : DWORD -> "sptr"
; RequiredSize : DWORD* optional, out -> "sptr"
; Extension : LPSTR* optional, 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 "SETUPAPI.dll"
#cfunc global SetupDiGetActualSectionToInstallA "SetupDiGetActualSectionToInstallA" sptr, str, var, int, var, var
; res = SetupDiGetActualSectionToInstallA(InfHandle, InfSectionName, InfSectionWithExt, InfSectionWithExtSize, RequiredSize, Extension)
; InfHandle : void* -> "sptr"
; InfSectionName : LPCSTR -> "str"
; InfSectionWithExt : LPSTR optional, out -> "var"
; InfSectionWithExtSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "var"
; Extension : LPSTR* optional, out -> "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。

; BOOL SetupDiGetActualSectionToInstallA(void* InfHandle, LPCSTR InfSectionName, LPSTR InfSectionWithExt, DWORD InfSectionWithExtSize, DWORD* RequiredSize, LPSTR* Extension)
#uselib "SETUPAPI.dll"
#cfunc global SetupDiGetActualSectionToInstallA "SetupDiGetActualSectionToInstallA" intptr, str, var, int, var, var
; res = SetupDiGetActualSectionToInstallA(InfHandle, InfSectionName, InfSectionWithExt, InfSectionWithExtSize, RequiredSize, Extension)
; InfHandle : void* -> "intptr"
; InfSectionName : LPCSTR -> "str"
; InfSectionWithExt : LPSTR optional, out -> "var"
; InfSectionWithExtSize : DWORD -> "int"
; RequiredSize : DWORD* optional, out -> "var"
; Extension : LPSTR* optional, out -> "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 (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupDiGetActualSectionToInstallA = setupapi.NewProc("SetupDiGetActualSectionToInstallA")
)

// InfHandle (void*), InfSectionName (LPCSTR), InfSectionWithExt (LPSTR optional, out), InfSectionWithExtSize (DWORD), RequiredSize (DWORD* optional, out), Extension (LPSTR* optional, out)
r1, _, err := procSetupDiGetActualSectionToInstallA.Call(
	uintptr(InfHandle),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(InfSectionName))),
	uintptr(InfSectionWithExt),
	uintptr(InfSectionWithExtSize),
	uintptr(RequiredSize),
	uintptr(Extension),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupDiGetActualSectionToInstallA(
  InfHandle: Pointer;   // void*
  InfSectionName: PAnsiChar;   // LPCSTR
  InfSectionWithExt: PAnsiChar;   // LPSTR optional, out
  InfSectionWithExtSize: DWORD;   // DWORD
  RequiredSize: Pointer;   // DWORD* optional, out
  Extension: PPAnsiChar   // LPSTR* optional, out
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupDiGetActualSectionToInstallA';

result := DllCall("SETUPAPI\SetupDiGetActualSectionToInstallA"
    , "Ptr", InfHandle   ; void*
    , "AStr", InfSectionName   ; LPCSTR
    , "Ptr", InfSectionWithExt   ; LPSTR optional, out
    , "UInt", InfSectionWithExtSize   ; DWORD
    , "Ptr", RequiredSize   ; DWORD* optional, out
    , "Ptr", Extension   ; LPSTR* optional, out
    , "Int")   ; return: BOOL

●SetupDiGetActualSectionToInstallA(InfHandle, InfSectionName, InfSectionWithExt, InfSectionWithExtSize, RequiredSize, Extension) = DLL("SETUPAPI.dll", "bool SetupDiGetActualSectionToInstallA(void*, char*, char*, dword, void*, void*)")
# 呼び出し: SetupDiGetActualSectionToInstallA(InfHandle, InfSectionName, InfSectionWithExt, InfSectionWithExtSize, RequiredSize, Extension)
# InfHandle : void* -> "void*"
# InfSectionName : LPCSTR -> "char*"
# InfSectionWithExt : LPSTR optional, out -> "char*"
# InfSectionWithExtSize : DWORD -> "dword"
# RequiredSize : DWORD* optional, out -> "void*"
# Extension : LPSTR* optional, 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)。