FrameRgn

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

BOOL FrameRgn(
    HDC hdc,
    HRGN hrgn,
    HBRUSH hbr,
    INT w,
    INT h
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function FrameRgn(
    hdc As IntPtr,   ' HDC
    hrgn As IntPtr,   ' HRGN
    hbr As IntPtr,   ' HBRUSH
    w As Integer,   ' INT
    h As Integer   ' INT
) As Boolean
End Function

' hdc : HDC
' hrgn : HRGN
' hbr : HBRUSH
' w : INT
' h : INT
Declare PtrSafe Function FrameRgn Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByVal hrgn As LongPtr, _
    ByVal hbr As LongPtr, _
    ByVal w As Long, _
    ByVal h 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

FrameRgn = ctypes.windll.gdi32.FrameRgn
FrameRgn.restype = wintypes.BOOL
FrameRgn.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    wintypes.HANDLE,  # hrgn : HRGN
    wintypes.HANDLE,  # hbr : HBRUSH
    ctypes.c_int,  # w : INT
    ctypes.c_int,  # h : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
FrameRgn = Fiddle::Function.new(
  lib['FrameRgn'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_VOIDP,  # hrgn : HRGN
    Fiddle::TYPE_VOIDP,  # hbr : HBRUSH
    Fiddle::TYPE_INT,  # w : INT
    Fiddle::TYPE_INT,  # h : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn FrameRgn(
        hdc: *mut core::ffi::c_void,  // HDC
        hrgn: *mut core::ffi::c_void,  // HRGN
        hbr: *mut core::ffi::c_void,  // HBRUSH
        w: i32,  // INT
        h: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool FrameRgn(IntPtr hdc, IntPtr hrgn, IntPtr hbr, int w, int h);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_FrameRgn' -Namespace Win32 -PassThru
# $api::FrameRgn(hdc, hrgn, hbr, w, h)

#uselib "GDI32.dll"
#func global FrameRgn "FrameRgn" sptr, sptr, sptr, sptr, sptr
; FrameRgn hdc, hrgn, hbr, w, h   ; 戻り値は stat
; hdc : HDC -> "sptr"
; hrgn : HRGN -> "sptr"
; hbr : HBRUSH -> "sptr"
; w : INT -> "sptr"
; h : INT -> "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 FrameRgn "FrameRgn" sptr, sptr, sptr, int, int
; res = FrameRgn(hdc, hrgn, hbr, w, h)
; hdc : HDC -> "sptr"
; hrgn : HRGN -> "sptr"
; hbr : HBRUSH -> "sptr"
; w : INT -> "int"
; h : INT -> "int"

; BOOL FrameRgn(HDC hdc, HRGN hrgn, HBRUSH hbr, INT w, INT h)
#uselib "GDI32.dll"
#cfunc global FrameRgn "FrameRgn" intptr, intptr, intptr, int, int
; res = FrameRgn(hdc, hrgn, hbr, w, h)
; hdc : HDC -> "intptr"
; hrgn : HRGN -> "intptr"
; hbr : HBRUSH -> "intptr"
; w : INT -> "int"
; h : INT -> "int"

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procFrameRgn = gdi32.NewProc("FrameRgn")
)

// hdc (HDC), hrgn (HRGN), hbr (HBRUSH), w (INT), h (INT)
r1, _, err := procFrameRgn.Call(
	uintptr(hdc),
	uintptr(hrgn),
	uintptr(hbr),
	uintptr(w),
	uintptr(h),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FrameRgn(
  hdc: THandle;   // HDC
  hrgn: THandle;   // HRGN
  hbr: THandle;   // HBRUSH
  w: Integer;   // INT
  h: Integer   // INT
): BOOL; stdcall;
  external 'GDI32.dll' name 'FrameRgn';

result := DllCall("GDI32\FrameRgn"
    , "Ptr", hdc   ; HDC
    , "Ptr", hrgn   ; HRGN
    , "Ptr", hbr   ; HBRUSH
    , "Int", w   ; INT
    , "Int", h   ; INT
    , "Int")   ; return: BOOL

●FrameRgn(hdc, hrgn, hbr, w, h) = DLL("GDI32.dll", "bool FrameRgn(void*, void*, void*, int, int)")
# 呼び出し: FrameRgn(hdc, hrgn, hbr, w, h)
# hdc : HDC -> "void*"
# hrgn : HRGN -> "void*"
# hbr : HBRUSH -> "void*"
# w : INT -> "int"
# h : INT -> "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)。