MagGetImageScalingCallback

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

MagImageScalingCallback MagGetImageScalingCallback(
    HWND hwnd
);

<DllImport("MAGNIFICATION.dll", ExactSpelling:=True)>
Public Shared Function MagGetImageScalingCallback(
    hwnd As IntPtr   ' HWND
) As IntPtr
End Function

' hwnd : HWND
Declare PtrSafe Function MagGetImageScalingCallback Lib "magnification" ( _
    ByVal hwnd As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MagGetImageScalingCallback = ctypes.windll.magnification.MagGetImageScalingCallback
MagGetImageScalingCallback.restype = ctypes.c_void_p
MagGetImageScalingCallback.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAGNIFICATION.dll')
MagGetImageScalingCallback = Fiddle::Function.new(
  lib['MagGetImageScalingCallback'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "magnification")]
extern "system" {
    fn MagGetImageScalingCallback(
        hwnd: *mut core::ffi::c_void  // HWND
    ) -> *const core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MAGNIFICATION.dll")]
public static extern IntPtr MagGetImageScalingCallback(IntPtr hwnd);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAGNIFICATION_MagGetImageScalingCallback' -Namespace Win32 -PassThru
# $api::MagGetImageScalingCallback(hwnd)

#uselib "MAGNIFICATION.dll"
#func global MagGetImageScalingCallback "MagGetImageScalingCallback" sptr
; MagGetImageScalingCallback hwnd   ; 戻り値は stat
; hwnd : HWND -> "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 "MAGNIFICATION.dll"
#cfunc global MagGetImageScalingCallback "MagGetImageScalingCallback" sptr
; res = MagGetImageScalingCallback(hwnd)
; hwnd : HWND -> "sptr"

; MagImageScalingCallback MagGetImageScalingCallback(HWND hwnd)
#uselib "MAGNIFICATION.dll"
#cfunc global MagGetImageScalingCallback "MagGetImageScalingCallback" intptr
; res = MagGetImageScalingCallback(hwnd)
; hwnd : HWND -> "intptr"

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

var (
	magnification = windows.NewLazySystemDLL("MAGNIFICATION.dll")
	procMagGetImageScalingCallback = magnification.NewProc("MagGetImageScalingCallback")
)

// hwnd (HWND)
r1, _, err := procMagGetImageScalingCallback.Call(
	uintptr(hwnd),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // MagImageScalingCallback

function MagGetImageScalingCallback(
  hwnd: THandle   // HWND
): Pointer; stdcall;
  external 'MAGNIFICATION.dll' name 'MagGetImageScalingCallback';

result := DllCall("MAGNIFICATION\MagGetImageScalingCallback"
    , "Ptr", hwnd   ; HWND
    , "Ptr")   ; return: MagImageScalingCallback

●MagGetImageScalingCallback(hwnd) = DLL("MAGNIFICATION.dll", "void* MagGetImageScalingCallback(void*)")
# 呼び出し: MagGetImageScalingCallback(hwnd)
# hwnd : HWND -> "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)。