MagGetFullscreenTransform

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

BOOL MagGetFullscreenTransform(
    FLOAT* pMagLevel,
    INT* pxOffset,
    INT* pyOffset
);

<DllImport("MAGNIFICATION.dll", ExactSpelling:=True)>
Public Shared Function MagGetFullscreenTransform(
    <Out> ByRef pMagLevel As Single,   ' FLOAT* out
    <Out> ByRef pxOffset As Integer,   ' INT* out
    <Out> ByRef pyOffset As Integer   ' INT* out
) As Boolean
End Function

' pMagLevel : FLOAT* out
' pxOffset : INT* out
' pyOffset : INT* out
Declare PtrSafe Function MagGetFullscreenTransform Lib "magnification" ( _
    ByRef pMagLevel As Single, _
    ByRef pxOffset As Long, _
    ByRef pyOffset 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

MagGetFullscreenTransform = ctypes.windll.magnification.MagGetFullscreenTransform
MagGetFullscreenTransform.restype = wintypes.BOOL
MagGetFullscreenTransform.argtypes = [
    ctypes.POINTER(ctypes.c_float),  # pMagLevel : FLOAT* out
    ctypes.POINTER(ctypes.c_int),  # pxOffset : INT* out
    ctypes.POINTER(ctypes.c_int),  # pyOffset : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAGNIFICATION.dll')
MagGetFullscreenTransform = Fiddle::Function.new(
  lib['MagGetFullscreenTransform'],
  [
    Fiddle::TYPE_VOIDP,  # pMagLevel : FLOAT* out
    Fiddle::TYPE_VOIDP,  # pxOffset : INT* out
    Fiddle::TYPE_VOIDP,  # pyOffset : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "magnification")]
extern "system" {
    fn MagGetFullscreenTransform(
        pMagLevel: *mut f32,  // FLOAT* out
        pxOffset: *mut i32,  // INT* out
        pyOffset: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("MAGNIFICATION.dll")]
public static extern bool MagGetFullscreenTransform(out float pMagLevel, out int pxOffset, out int pyOffset);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAGNIFICATION_MagGetFullscreenTransform' -Namespace Win32 -PassThru
# $api::MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)

#uselib "MAGNIFICATION.dll"
#func global MagGetFullscreenTransform "MagGetFullscreenTransform" sptr, sptr, sptr
; MagGetFullscreenTransform varptr(pMagLevel), varptr(pxOffset), varptr(pyOffset)   ; 戻り値は stat
; pMagLevel : FLOAT* out -> "sptr"
; pxOffset : INT* out -> "sptr"
; pyOffset : INT* 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 "MAGNIFICATION.dll"
#cfunc global MagGetFullscreenTransform "MagGetFullscreenTransform" var, var, var
; res = MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)
; pMagLevel : FLOAT* out -> "var"
; pxOffset : INT* out -> "var"
; pyOffset : INT* 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 MagGetFullscreenTransform(FLOAT* pMagLevel, INT* pxOffset, INT* pyOffset)
#uselib "MAGNIFICATION.dll"
#cfunc global MagGetFullscreenTransform "MagGetFullscreenTransform" var, var, var
; res = MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)
; pMagLevel : FLOAT* out -> "var"
; pxOffset : INT* out -> "var"
; pyOffset : INT* 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 (
	magnification = windows.NewLazySystemDLL("MAGNIFICATION.dll")
	procMagGetFullscreenTransform = magnification.NewProc("MagGetFullscreenTransform")
)

// pMagLevel (FLOAT* out), pxOffset (INT* out), pyOffset (INT* out)
r1, _, err := procMagGetFullscreenTransform.Call(
	uintptr(pMagLevel),
	uintptr(pxOffset),
	uintptr(pyOffset),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function MagGetFullscreenTransform(
  pMagLevel: Pointer;   // FLOAT* out
  pxOffset: Pointer;   // INT* out
  pyOffset: Pointer   // INT* out
): BOOL; stdcall;
  external 'MAGNIFICATION.dll' name 'MagGetFullscreenTransform';

result := DllCall("MAGNIFICATION\MagGetFullscreenTransform"
    , "Ptr", pMagLevel   ; FLOAT* out
    , "Ptr", pxOffset   ; INT* out
    , "Ptr", pyOffset   ; INT* out
    , "Int")   ; return: BOOL

●MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset) = DLL("MAGNIFICATION.dll", "bool MagGetFullscreenTransform(void*, void*, void*)")
# 呼び出し: MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)
# pMagLevel : FLOAT* out -> "void*"
# pxOffset : INT* out -> "void*"
# pyOffset : INT* 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)。