SetDialogDpiChangeBehavior

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

BOOL SetDialogDpiChangeBehavior(
    HWND hDlg,
    DIALOG_DPI_CHANGE_BEHAVIORS mask,
    DIALOG_DPI_CHANGE_BEHAVIORS values
);

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

' hDlg : HWND
' mask : DIALOG_DPI_CHANGE_BEHAVIORS
' values : DIALOG_DPI_CHANGE_BEHAVIORS
Declare PtrSafe Function SetDialogDpiChangeBehavior Lib "user32" ( _
    ByVal hDlg As LongPtr, _
    ByVal mask As Long, _
    ByVal values 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

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

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true)]
public static extern bool SetDialogDpiChangeBehavior(IntPtr hDlg, int mask, int values);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SetDialogDpiChangeBehavior' -Namespace Win32 -PassThru
# $api::SetDialogDpiChangeBehavior(hDlg, mask, values)

#uselib "USER32.dll"
#func global SetDialogDpiChangeBehavior "SetDialogDpiChangeBehavior" sptr, sptr, sptr
; SetDialogDpiChangeBehavior hDlg, mask, values   ; 戻り値は stat
; hDlg : HWND -> "sptr"
; mask : DIALOG_DPI_CHANGE_BEHAVIORS -> "sptr"
; values : DIALOG_DPI_CHANGE_BEHAVIORS -> "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 SetDialogDpiChangeBehavior "SetDialogDpiChangeBehavior" sptr, int, int
; res = SetDialogDpiChangeBehavior(hDlg, mask, values)
; hDlg : HWND -> "sptr"
; mask : DIALOG_DPI_CHANGE_BEHAVIORS -> "int"
; values : DIALOG_DPI_CHANGE_BEHAVIORS -> "int"

; BOOL SetDialogDpiChangeBehavior(HWND hDlg, DIALOG_DPI_CHANGE_BEHAVIORS mask, DIALOG_DPI_CHANGE_BEHAVIORS values)
#uselib "USER32.dll"
#cfunc global SetDialogDpiChangeBehavior "SetDialogDpiChangeBehavior" intptr, int, int
; res = SetDialogDpiChangeBehavior(hDlg, mask, values)
; hDlg : HWND -> "intptr"
; mask : DIALOG_DPI_CHANGE_BEHAVIORS -> "int"
; values : DIALOG_DPI_CHANGE_BEHAVIORS -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procSetDialogDpiChangeBehavior = user32.NewProc("SetDialogDpiChangeBehavior")
)

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

function SetDialogDpiChangeBehavior(
  hDlg: THandle;   // HWND
  mask: Integer;   // DIALOG_DPI_CHANGE_BEHAVIORS
  values: Integer   // DIALOG_DPI_CHANGE_BEHAVIORS
): BOOL; stdcall;
  external 'USER32.dll' name 'SetDialogDpiChangeBehavior';

result := DllCall("USER32\SetDialogDpiChangeBehavior"
    , "Ptr", hDlg   ; HWND
    , "Int", mask   ; DIALOG_DPI_CHANGE_BEHAVIORS
    , "Int", values   ; DIALOG_DPI_CHANGE_BEHAVIORS
    , "Int")   ; return: BOOL

●SetDialogDpiChangeBehavior(hDlg, mask, values) = DLL("USER32.dll", "bool SetDialogDpiChangeBehavior(void*, int, int)")
# 呼び出し: SetDialogDpiChangeBehavior(hDlg, mask, values)
# hDlg : HWND -> "void*"
# mask : DIALOG_DPI_CHANGE_BEHAVIORS -> "int"
# values : DIALOG_DPI_CHANGE_BEHAVIORS -> "int"
# 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)。