GdipGetEffectParameterSize

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

Status GdipGetEffectParameterSize(
    CGpEffect* effect,
    DWORD* size
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetEffectParameterSize(
    ByRef effect As IntPtr,   ' CGpEffect* in/out
    ByRef size As UInteger   ' DWORD* in/out
) As Integer
End Function

' effect : CGpEffect* in/out
' size : DWORD* in/out
Declare PtrSafe Function GdipGetEffectParameterSize Lib "gdiplus" ( _
    ByRef effect As LongPtr, _
    ByRef size 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

GdipGetEffectParameterSize = ctypes.windll.gdiplus.GdipGetEffectParameterSize
GdipGetEffectParameterSize.restype = ctypes.c_int
GdipGetEffectParameterSize.argtypes = [
    ctypes.c_void_p,  # effect : CGpEffect* in/out
    ctypes.POINTER(wintypes.DWORD),  # size : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetEffectParameterSize = Fiddle::Function.new(
  lib['GdipGetEffectParameterSize'],
  [
    Fiddle::TYPE_VOIDP,  # effect : CGpEffect* in/out
    Fiddle::TYPE_VOIDP,  # size : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetEffectParameterSize(
        effect: *mut isize,  // CGpEffect* in/out
        size: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetEffectParameterSize(ref IntPtr effect, ref uint size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetEffectParameterSize' -Namespace Win32 -PassThru
# $api::GdipGetEffectParameterSize(effect, size)

#uselib "gdiplus.dll"
#func global GdipGetEffectParameterSize "GdipGetEffectParameterSize" sptr, sptr
; GdipGetEffectParameterSize effect, varptr(size)   ; 戻り値は stat
; effect : CGpEffect* in/out -> "sptr"
; size : DWORD* 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 GdipGetEffectParameterSize "GdipGetEffectParameterSize" int, var
; res = GdipGetEffectParameterSize(effect, size)
; effect : CGpEffect* in/out -> "int"
; size : DWORD* 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 GdipGetEffectParameterSize(CGpEffect* effect, DWORD* size)
#uselib "gdiplus.dll"
#cfunc global GdipGetEffectParameterSize "GdipGetEffectParameterSize" int, var
; res = GdipGetEffectParameterSize(effect, size)
; effect : CGpEffect* in/out -> "int"
; size : DWORD* 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")
	procGdipGetEffectParameterSize = gdiplus.NewProc("GdipGetEffectParameterSize")
)

// effect (CGpEffect* in/out), size (DWORD* in/out)
r1, _, err := procGdipGetEffectParameterSize.Call(
	uintptr(effect),
	uintptr(size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetEffectParameterSize(
  effect: Pointer;   // CGpEffect* in/out
  size: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetEffectParameterSize';

result := DllCall("gdiplus\GdipGetEffectParameterSize"
    , "Ptr", effect   ; CGpEffect* in/out
    , "Ptr", size   ; DWORD* in/out
    , "Int")   ; return: Status

●GdipGetEffectParameterSize(effect, size) = DLL("gdiplus.dll", "int GdipGetEffectParameterSize(void*, void*)")
# 呼び出し: GdipGetEffectParameterSize(effect, size)
# effect : CGpEffect* in/out -> "void*"
# size : DWORD* 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)。