IsValidDevmodeW

// winspool.drv  (Unicode / -W)
#include <windows.h>

BOOL IsValidDevmodeW(
    DEVMODEW* pDevmode,   // optional
    UINT_PTR DevmodeSize
);

<DllImport("winspool.drv", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function IsValidDevmodeW(
    pDevmode As IntPtr,   ' DEVMODEW* optional
    DevmodeSize As UIntPtr   ' UINT_PTR
) As Boolean
End Function

' pDevmode : DEVMODEW* optional
' DevmodeSize : UINT_PTR
Declare PtrSafe Function IsValidDevmodeW Lib "winspool.drv" ( _
    ByVal pDevmode As LongPtr, _
    ByVal DevmodeSize As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

IsValidDevmodeW = ctypes.windll.LoadLibrary("winspool.drv").IsValidDevmodeW
IsValidDevmodeW.restype = wintypes.BOOL
IsValidDevmodeW.argtypes = [
    ctypes.c_void_p,  # pDevmode : DEVMODEW* optional
    ctypes.c_size_t,  # DevmodeSize : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
IsValidDevmodeW = Fiddle::Function.new(
  lib['IsValidDevmodeW'],
  [
    Fiddle::TYPE_VOIDP,  # pDevmode : DEVMODEW* optional
    Fiddle::TYPE_UINTPTR_T,  # DevmodeSize : UINT_PTR
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winspool.drv")]
extern "system" {
    fn IsValidDevmodeW(
        pDevmode: *mut DEVMODEW,  // DEVMODEW* optional
        DevmodeSize: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Unicode)]
public static extern bool IsValidDevmodeW(IntPtr pDevmode, UIntPtr DevmodeSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_IsValidDevmodeW' -Namespace Win32 -PassThru
# $api::IsValidDevmodeW(pDevmode, DevmodeSize)

#uselib "winspool.drv"
#func global IsValidDevmodeW "IsValidDevmodeW" wptr, wptr
; IsValidDevmodeW varptr(pDevmode), DevmodeSize   ; 戻り値は stat
; pDevmode : DEVMODEW* optional -> "wptr"
; DevmodeSize : UINT_PTR -> "wptr"
; ※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 "winspool.drv"
#cfunc global IsValidDevmodeW "IsValidDevmodeW" var, sptr
; res = IsValidDevmodeW(pDevmode, DevmodeSize)
; pDevmode : DEVMODEW* optional -> "var"
; DevmodeSize : UINT_PTR -> "sptr"
; ※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 IsValidDevmodeW(DEVMODEW* pDevmode, UINT_PTR DevmodeSize)
#uselib "winspool.drv"
#cfunc global IsValidDevmodeW "IsValidDevmodeW" var, intptr
; res = IsValidDevmodeW(pDevmode, DevmodeSize)
; pDevmode : DEVMODEW* optional -> "var"
; DevmodeSize : UINT_PTR -> "intptr"
; ※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 (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procIsValidDevmodeW = winspool_drv.NewProc("IsValidDevmodeW")
)

// pDevmode (DEVMODEW* optional), DevmodeSize (UINT_PTR)
r1, _, err := procIsValidDevmodeW.Call(
	uintptr(pDevmode),
	uintptr(DevmodeSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function IsValidDevmodeW(
  pDevmode: Pointer;   // DEVMODEW* optional
  DevmodeSize: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'winspool.drv' name 'IsValidDevmodeW';

result := DllCall("winspool.drv\IsValidDevmodeW"
    , "Ptr", pDevmode   ; DEVMODEW* optional
    , "UPtr", DevmodeSize   ; UINT_PTR
    , "Int")   ; return: BOOL

●IsValidDevmodeW(pDevmode, DevmodeSize) = DLL("winspool.drv", "bool IsValidDevmodeW(void*, int)")
# 呼び出し: IsValidDevmodeW(pDevmode, DevmodeSize)
# pDevmode : DEVMODEW* optional -> "void*"
# DevmodeSize : UINT_PTR -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。