GetDialogDpiChangeBehavior

// USER32.dll
#include <windows.h>

DIALOG_DPI_CHANGE_BEHAVIORS GetDialogDpiChangeBehavior(
    HWND hDlg
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetDialogDpiChangeBehavior(
    hDlg As IntPtr   ' HWND
) As Integer
End Function

' hDlg : HWND
Declare PtrSafe Function GetDialogDpiChangeBehavior Lib "user32" ( _
    ByVal hDlg 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

GetDialogDpiChangeBehavior = ctypes.windll.user32.GetDialogDpiChangeBehavior
GetDialogDpiChangeBehavior.restype = ctypes.c_int
GetDialogDpiChangeBehavior.argtypes = [
    wintypes.HANDLE,  # hDlg : HWND
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetDialogDpiChangeBehavior = Fiddle::Function.new(
  lib['GetDialogDpiChangeBehavior'],
  [
    Fiddle::TYPE_VOIDP,  # hDlg : HWND
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetDialogDpiChangeBehavior(
        hDlg: *mut core::ffi::c_void  // HWND
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", SetLastError = true)]
public static extern int GetDialogDpiChangeBehavior(IntPtr hDlg);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetDialogDpiChangeBehavior' -Namespace Win32 -PassThru
# $api::GetDialogDpiChangeBehavior(hDlg)

#uselib "USER32.dll"
#func global GetDialogDpiChangeBehavior "GetDialogDpiChangeBehavior" sptr
; GetDialogDpiChangeBehavior hDlg   ; 戻り値は stat
; hDlg : 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 "USER32.dll"
#cfunc global GetDialogDpiChangeBehavior "GetDialogDpiChangeBehavior" sptr
; res = GetDialogDpiChangeBehavior(hDlg)
; hDlg : HWND -> "sptr"

; DIALOG_DPI_CHANGE_BEHAVIORS GetDialogDpiChangeBehavior(HWND hDlg)
#uselib "USER32.dll"
#cfunc global GetDialogDpiChangeBehavior "GetDialogDpiChangeBehavior" intptr
; res = GetDialogDpiChangeBehavior(hDlg)
; hDlg : HWND -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetDialogDpiChangeBehavior = user32.NewProc("GetDialogDpiChangeBehavior")
)

// hDlg (HWND)
r1, _, err := procGetDialogDpiChangeBehavior.Call(
	uintptr(hDlg),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DIALOG_DPI_CHANGE_BEHAVIORS

function GetDialogDpiChangeBehavior(
  hDlg: THandle   // HWND
): Integer; stdcall;
  external 'USER32.dll' name 'GetDialogDpiChangeBehavior';

result := DllCall("USER32\GetDialogDpiChangeBehavior"
    , "Ptr", hDlg   ; HWND
    , "Int")   ; return: DIALOG_DPI_CHANGE_BEHAVIORS

●GetDialogDpiChangeBehavior(hDlg) = DLL("USER32.dll", "int GetDialogDpiChangeBehavior(void*)")
# 呼び出し: GetDialogDpiChangeBehavior(hDlg)
# hDlg : 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)。