GdipSetClipRegion

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

Status GdipSetClipRegion(
    GpGraphics* graphics,
    GpRegion* region,
    CombineMode combineMode
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipSetClipRegion(
    graphics As IntPtr,   ' GpGraphics* in/out
    region As IntPtr,   ' GpRegion* in/out
    combineMode As Integer   ' CombineMode
) As Integer
End Function

' graphics : GpGraphics* in/out
' region : GpRegion* in/out
' combineMode : CombineMode
Declare PtrSafe Function GdipSetClipRegion Lib "gdiplus" ( _
    ByVal graphics As LongPtr, _
    ByVal region As LongPtr, _
    ByVal combineMode 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

GdipSetClipRegion = ctypes.windll.gdiplus.GdipSetClipRegion
GdipSetClipRegion.restype = ctypes.c_int
GdipSetClipRegion.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
    ctypes.c_void_p,  # region : GpRegion* in/out
    ctypes.c_int,  # combineMode : CombineMode
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipSetClipRegion = Fiddle::Function.new(
  lib['GdipSetClipRegion'],
  [
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics* in/out
    Fiddle::TYPE_VOIDP,  # region : GpRegion* in/out
    Fiddle::TYPE_INT,  # combineMode : CombineMode
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipSetClipRegion(
        graphics: *mut GpGraphics,  // GpGraphics* in/out
        region: *mut GpRegion,  // GpRegion* in/out
        combineMode: i32  // CombineMode
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipSetClipRegion(IntPtr graphics, IntPtr region, int combineMode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipSetClipRegion' -Namespace Win32 -PassThru
# $api::GdipSetClipRegion(graphics, region, combineMode)

#uselib "gdiplus.dll"
#func global GdipSetClipRegion "GdipSetClipRegion" sptr, sptr, sptr
; GdipSetClipRegion varptr(graphics), varptr(region), combineMode   ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; region : GpRegion* in/out -> "sptr"
; combineMode : CombineMode -> "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 "gdiplus.dll"
#cfunc global GdipSetClipRegion "GdipSetClipRegion" var, var, int
; res = GdipSetClipRegion(graphics, region, combineMode)
; graphics : GpGraphics* in/out -> "var"
; region : GpRegion* in/out -> "var"
; combineMode : CombineMode -> "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。

; Status GdipSetClipRegion(GpGraphics* graphics, GpRegion* region, CombineMode combineMode)
#uselib "gdiplus.dll"
#cfunc global GdipSetClipRegion "GdipSetClipRegion" var, var, int
; res = GdipSetClipRegion(graphics, region, combineMode)
; graphics : GpGraphics* in/out -> "var"
; region : GpRegion* in/out -> "var"
; combineMode : CombineMode -> "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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipSetClipRegion = gdiplus.NewProc("GdipSetClipRegion")
)

// graphics (GpGraphics* in/out), region (GpRegion* in/out), combineMode (CombineMode)
r1, _, err := procGdipSetClipRegion.Call(
	uintptr(graphics),
	uintptr(region),
	uintptr(combineMode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipSetClipRegion(
  graphics: Pointer;   // GpGraphics* in/out
  region: Pointer;   // GpRegion* in/out
  combineMode: Integer   // CombineMode
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipSetClipRegion';

result := DllCall("gdiplus\GdipSetClipRegion"
    , "Ptr", graphics   ; GpGraphics* in/out
    , "Ptr", region   ; GpRegion* in/out
    , "Int", combineMode   ; CombineMode
    , "Int")   ; return: Status

●GdipSetClipRegion(graphics, region, combineMode) = DLL("gdiplus.dll", "int GdipSetClipRegion(void*, void*, int)")
# 呼び出し: GdipSetClipRegion(graphics, region, combineMode)
# graphics : GpGraphics* in/out -> "void*"
# region : GpRegion* in/out -> "void*"
# combineMode : CombineMode -> "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)。