EngEraseSurface

// GDI32.dll
#include <windows.h>

BOOL EngEraseSurface(
    SURFOBJ* pso,
    RECTL* prcl,
    DWORD iColor
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function EngEraseSurface(
    pso As IntPtr,   ' SURFOBJ* in/out
    prcl As IntPtr,   ' RECTL* in/out
    iColor As UInteger   ' DWORD
) As Boolean
End Function

' pso : SURFOBJ* in/out
' prcl : RECTL* in/out
' iColor : DWORD
Declare PtrSafe Function EngEraseSurface Lib "gdi32" ( _
    ByVal pso As LongPtr, _
    ByVal prcl As LongPtr, _
    ByVal iColor 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

EngEraseSurface = ctypes.windll.gdi32.EngEraseSurface
EngEraseSurface.restype = wintypes.BOOL
EngEraseSurface.argtypes = [
    ctypes.c_void_p,  # pso : SURFOBJ* in/out
    ctypes.c_void_p,  # prcl : RECTL* in/out
    wintypes.DWORD,  # iColor : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
EngEraseSurface = Fiddle::Function.new(
  lib['EngEraseSurface'],
  [
    Fiddle::TYPE_VOIDP,  # pso : SURFOBJ* in/out
    Fiddle::TYPE_VOIDP,  # prcl : RECTL* in/out
    -Fiddle::TYPE_INT,  # iColor : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn EngEraseSurface(
        pso: *mut SURFOBJ,  // SURFOBJ* in/out
        prcl: *mut RECTL,  // RECTL* in/out
        iColor: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool EngEraseSurface(IntPtr pso, IntPtr prcl, uint iColor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_EngEraseSurface' -Namespace Win32 -PassThru
# $api::EngEraseSurface(pso, prcl, iColor)

#uselib "GDI32.dll"
#func global EngEraseSurface "EngEraseSurface" sptr, sptr, sptr
; EngEraseSurface varptr(pso), varptr(prcl), iColor   ; 戻り値は stat
; pso : SURFOBJ* in/out -> "sptr"
; prcl : RECTL* in/out -> "sptr"
; iColor : DWORD -> "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 "GDI32.dll"
#cfunc global EngEraseSurface "EngEraseSurface" var, var, int
; res = EngEraseSurface(pso, prcl, iColor)
; pso : SURFOBJ* in/out -> "var"
; prcl : RECTL* in/out -> "var"
; iColor : DWORD -> "int"
; ※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 EngEraseSurface(SURFOBJ* pso, RECTL* prcl, DWORD iColor)
#uselib "GDI32.dll"
#cfunc global EngEraseSurface "EngEraseSurface" var, var, int
; res = EngEraseSurface(pso, prcl, iColor)
; pso : SURFOBJ* in/out -> "var"
; prcl : RECTL* in/out -> "var"
; iColor : DWORD -> "int"
; ※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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procEngEraseSurface = gdi32.NewProc("EngEraseSurface")
)

// pso (SURFOBJ* in/out), prcl (RECTL* in/out), iColor (DWORD)
r1, _, err := procEngEraseSurface.Call(
	uintptr(pso),
	uintptr(prcl),
	uintptr(iColor),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EngEraseSurface(
  pso: Pointer;   // SURFOBJ* in/out
  prcl: Pointer;   // RECTL* in/out
  iColor: DWORD   // DWORD
): BOOL; stdcall;
  external 'GDI32.dll' name 'EngEraseSurface';

result := DllCall("GDI32\EngEraseSurface"
    , "Ptr", pso   ; SURFOBJ* in/out
    , "Ptr", prcl   ; RECTL* in/out
    , "UInt", iColor   ; DWORD
    , "Int")   ; return: BOOL

●EngEraseSurface(pso, prcl, iColor) = DLL("GDI32.dll", "bool EngEraseSurface(void*, void*, dword)")
# 呼び出し: EngEraseSurface(pso, prcl, iColor)
# pso : SURFOBJ* in/out -> "void*"
# prcl : RECTL* in/out -> "void*"
# iColor : DWORD -> "dword"
# 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)。