DPA_Merge

// COMCTL32.dll
#include <windows.h>

BOOL DPA_Merge(
    HDPA hdpaDest,
    HDPA hdpaSrc,
    DWORD dwFlags,
    PFNDACOMPARE pfnCompare,
    PFNDPAMERGE pfnMerge,
    LPARAM lParam
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function DPA_Merge(
    hdpaDest As IntPtr,   ' HDPA
    hdpaSrc As IntPtr,   ' HDPA
    dwFlags As UInteger,   ' DWORD
    pfnCompare As IntPtr,   ' PFNDACOMPARE
    pfnMerge As IntPtr,   ' PFNDPAMERGE
    lParam As IntPtr   ' LPARAM
) As Boolean
End Function

' hdpaDest : HDPA
' hdpaSrc : HDPA
' dwFlags : DWORD
' pfnCompare : PFNDACOMPARE
' pfnMerge : PFNDPAMERGE
' lParam : LPARAM
Declare PtrSafe Function DPA_Merge Lib "comctl32" ( _
    ByVal hdpaDest As LongPtr, _
    ByVal hdpaSrc As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal pfnCompare As LongPtr, _
    ByVal pfnMerge As LongPtr, _
    ByVal lParam 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

DPA_Merge = ctypes.windll.comctl32.DPA_Merge
DPA_Merge.restype = wintypes.BOOL
DPA_Merge.argtypes = [
    ctypes.c_ssize_t,  # hdpaDest : HDPA
    ctypes.c_ssize_t,  # hdpaSrc : HDPA
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # pfnCompare : PFNDACOMPARE
    ctypes.c_void_p,  # pfnMerge : PFNDPAMERGE
    ctypes.c_ssize_t,  # lParam : LPARAM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
DPA_Merge = Fiddle::Function.new(
  lib['DPA_Merge'],
  [
    Fiddle::TYPE_INTPTR_T,  # hdpaDest : HDPA
    Fiddle::TYPE_INTPTR_T,  # hdpaSrc : HDPA
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pfnCompare : PFNDACOMPARE
    Fiddle::TYPE_VOIDP,  # pfnMerge : PFNDPAMERGE
    Fiddle::TYPE_INTPTR_T,  # lParam : LPARAM
  ],
  Fiddle::TYPE_INT)

#[link(name = "comctl32")]
extern "system" {
    fn DPA_Merge(
        hdpaDest: isize,  // HDPA
        hdpaSrc: isize,  // HDPA
        dwFlags: u32,  // DWORD
        pfnCompare: *const core::ffi::c_void,  // PFNDACOMPARE
        pfnMerge: *const core::ffi::c_void,  // PFNDPAMERGE
        lParam: isize  // LPARAM
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMCTL32.dll")]
public static extern bool DPA_Merge(IntPtr hdpaDest, IntPtr hdpaSrc, uint dwFlags, IntPtr pfnCompare, IntPtr pfnMerge, IntPtr lParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_DPA_Merge' -Namespace Win32 -PassThru
# $api::DPA_Merge(hdpaDest, hdpaSrc, dwFlags, pfnCompare, pfnMerge, lParam)

#uselib "COMCTL32.dll"
#func global DPA_Merge "DPA_Merge" sptr, sptr, sptr, sptr, sptr, sptr
; DPA_Merge hdpaDest, hdpaSrc, dwFlags, pfnCompare, pfnMerge, lParam   ; 戻り値は stat
; hdpaDest : HDPA -> "sptr"
; hdpaSrc : HDPA -> "sptr"
; dwFlags : DWORD -> "sptr"
; pfnCompare : PFNDACOMPARE -> "sptr"
; pfnMerge : PFNDPAMERGE -> "sptr"
; lParam : LPARAM -> "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 "COMCTL32.dll"
#cfunc global DPA_Merge "DPA_Merge" sptr, sptr, int, sptr, sptr, sptr
; res = DPA_Merge(hdpaDest, hdpaSrc, dwFlags, pfnCompare, pfnMerge, lParam)
; hdpaDest : HDPA -> "sptr"
; hdpaSrc : HDPA -> "sptr"
; dwFlags : DWORD -> "int"
; pfnCompare : PFNDACOMPARE -> "sptr"
; pfnMerge : PFNDPAMERGE -> "sptr"
; lParam : LPARAM -> "sptr"

; BOOL DPA_Merge(HDPA hdpaDest, HDPA hdpaSrc, DWORD dwFlags, PFNDACOMPARE pfnCompare, PFNDPAMERGE pfnMerge, LPARAM lParam)
#uselib "COMCTL32.dll"
#cfunc global DPA_Merge "DPA_Merge" intptr, intptr, int, intptr, intptr, intptr
; res = DPA_Merge(hdpaDest, hdpaSrc, dwFlags, pfnCompare, pfnMerge, lParam)
; hdpaDest : HDPA -> "intptr"
; hdpaSrc : HDPA -> "intptr"
; dwFlags : DWORD -> "int"
; pfnCompare : PFNDACOMPARE -> "intptr"
; pfnMerge : PFNDPAMERGE -> "intptr"
; lParam : LPARAM -> "intptr"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procDPA_Merge = comctl32.NewProc("DPA_Merge")
)

// hdpaDest (HDPA), hdpaSrc (HDPA), dwFlags (DWORD), pfnCompare (PFNDACOMPARE), pfnMerge (PFNDPAMERGE), lParam (LPARAM)
r1, _, err := procDPA_Merge.Call(
	uintptr(hdpaDest),
	uintptr(hdpaSrc),
	uintptr(dwFlags),
	uintptr(pfnCompare),
	uintptr(pfnMerge),
	uintptr(lParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DPA_Merge(
  hdpaDest: NativeInt;   // HDPA
  hdpaSrc: NativeInt;   // HDPA
  dwFlags: DWORD;   // DWORD
  pfnCompare: Pointer;   // PFNDACOMPARE
  pfnMerge: Pointer;   // PFNDPAMERGE
  lParam: NativeInt   // LPARAM
): BOOL; stdcall;
  external 'COMCTL32.dll' name 'DPA_Merge';

result := DllCall("COMCTL32\DPA_Merge"
    , "Ptr", hdpaDest   ; HDPA
    , "Ptr", hdpaSrc   ; HDPA
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pfnCompare   ; PFNDACOMPARE
    , "Ptr", pfnMerge   ; PFNDPAMERGE
    , "Ptr", lParam   ; LPARAM
    , "Int")   ; return: BOOL

●DPA_Merge(hdpaDest, hdpaSrc, dwFlags, pfnCompare, pfnMerge, lParam) = DLL("COMCTL32.dll", "bool DPA_Merge(int, int, dword, void*, void*, int)")
# 呼び出し: DPA_Merge(hdpaDest, hdpaSrc, dwFlags, pfnCompare, pfnMerge, lParam)
# hdpaDest : HDPA -> "int"
# hdpaSrc : HDPA -> "int"
# dwFlags : DWORD -> "dword"
# pfnCompare : PFNDACOMPARE -> "void*"
# pfnMerge : PFNDPAMERGE -> "void*"
# lParam : LPARAM -> "int"
# 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)。