GdipGetAllPropertyItems

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

Status GdipGetAllPropertyItems(
    GpImage* image,
    DWORD totalBufferSize,
    DWORD numProperties,
    PropertyItem* allItems
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetAllPropertyItems(
    image As IntPtr,   ' GpImage* in/out
    totalBufferSize As UInteger,   ' DWORD
    numProperties As UInteger,   ' DWORD
    allItems As IntPtr   ' PropertyItem* in/out
) As Integer
End Function

' image : GpImage* in/out
' totalBufferSize : DWORD
' numProperties : DWORD
' allItems : PropertyItem* in/out
Declare PtrSafe Function GdipGetAllPropertyItems Lib "gdiplus" ( _
    ByVal image As LongPtr, _
    ByVal totalBufferSize As Long, _
    ByVal numProperties As Long, _
    ByVal allItems 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

GdipGetAllPropertyItems = ctypes.windll.gdiplus.GdipGetAllPropertyItems
GdipGetAllPropertyItems.restype = ctypes.c_int
GdipGetAllPropertyItems.argtypes = [
    ctypes.c_void_p,  # image : GpImage* in/out
    wintypes.DWORD,  # totalBufferSize : DWORD
    wintypes.DWORD,  # numProperties : DWORD
    ctypes.c_void_p,  # allItems : PropertyItem* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetAllPropertyItems = Fiddle::Function.new(
  lib['GdipGetAllPropertyItems'],
  [
    Fiddle::TYPE_VOIDP,  # image : GpImage* in/out
    -Fiddle::TYPE_INT,  # totalBufferSize : DWORD
    -Fiddle::TYPE_INT,  # numProperties : DWORD
    Fiddle::TYPE_VOIDP,  # allItems : PropertyItem* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetAllPropertyItems(
        image: *mut GpImage,  // GpImage* in/out
        totalBufferSize: u32,  // DWORD
        numProperties: u32,  // DWORD
        allItems: *mut PropertyItem  // PropertyItem* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetAllPropertyItems(IntPtr image, uint totalBufferSize, uint numProperties, IntPtr allItems);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetAllPropertyItems' -Namespace Win32 -PassThru
# $api::GdipGetAllPropertyItems(image, totalBufferSize, numProperties, allItems)

#uselib "gdiplus.dll"
#func global GdipGetAllPropertyItems "GdipGetAllPropertyItems" sptr, sptr, sptr, sptr
; GdipGetAllPropertyItems varptr(image), totalBufferSize, numProperties, varptr(allItems)   ; 戻り値は stat
; image : GpImage* in/out -> "sptr"
; totalBufferSize : DWORD -> "sptr"
; numProperties : DWORD -> "sptr"
; allItems : PropertyItem* in/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 "gdiplus.dll"
#cfunc global GdipGetAllPropertyItems "GdipGetAllPropertyItems" var, int, int, var
; res = GdipGetAllPropertyItems(image, totalBufferSize, numProperties, allItems)
; image : GpImage* in/out -> "var"
; totalBufferSize : DWORD -> "int"
; numProperties : DWORD -> "int"
; allItems : PropertyItem* in/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。

; Status GdipGetAllPropertyItems(GpImage* image, DWORD totalBufferSize, DWORD numProperties, PropertyItem* allItems)
#uselib "gdiplus.dll"
#cfunc global GdipGetAllPropertyItems "GdipGetAllPropertyItems" var, int, int, var
; res = GdipGetAllPropertyItems(image, totalBufferSize, numProperties, allItems)
; image : GpImage* in/out -> "var"
; totalBufferSize : DWORD -> "int"
; numProperties : DWORD -> "int"
; allItems : PropertyItem* in/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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipGetAllPropertyItems = gdiplus.NewProc("GdipGetAllPropertyItems")
)

// image (GpImage* in/out), totalBufferSize (DWORD), numProperties (DWORD), allItems (PropertyItem* in/out)
r1, _, err := procGdipGetAllPropertyItems.Call(
	uintptr(image),
	uintptr(totalBufferSize),
	uintptr(numProperties),
	uintptr(allItems),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetAllPropertyItems(
  image: Pointer;   // GpImage* in/out
  totalBufferSize: DWORD;   // DWORD
  numProperties: DWORD;   // DWORD
  allItems: Pointer   // PropertyItem* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetAllPropertyItems';

result := DllCall("gdiplus\GdipGetAllPropertyItems"
    , "Ptr", image   ; GpImage* in/out
    , "UInt", totalBufferSize   ; DWORD
    , "UInt", numProperties   ; DWORD
    , "Ptr", allItems   ; PropertyItem* in/out
    , "Int")   ; return: Status

●GdipGetAllPropertyItems(image, totalBufferSize, numProperties, allItems) = DLL("gdiplus.dll", "int GdipGetAllPropertyItems(void*, dword, dword, void*)")
# 呼び出し: GdipGetAllPropertyItems(image, totalBufferSize, numProperties, allItems)
# image : GpImage* in/out -> "void*"
# totalBufferSize : DWORD -> "dword"
# numProperties : DWORD -> "dword"
# allItems : PropertyItem* in/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)。