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GdipDeleteRegion

関数

リージョンオブジェクトを破棄してメモリを解放する。

DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipDeleteRegion(
    GpRegion* region
);

パラメーター

名前	型	方向
region	GpRegion*	inout

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipDeleteRegion(
    GpRegion* region
);

[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDeleteRegion(
    IntPtr region   // GpRegion* in/out
);

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

' region : GpRegion* in/out
Declare PtrSafe Function GdipDeleteRegion Lib "gdiplus" ( _
    ByVal region As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipDeleteRegion = ctypes.windll.gdiplus.GdipDeleteRegion
GdipDeleteRegion.restype = ctypes.c_int
GdipDeleteRegion.argtypes = [
    ctypes.c_void_p,  # region : GpRegion* in/out
]

require 'fiddle'
require 'fiddle/import'

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

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

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

#uselib "gdiplus.dll"
#func global GdipDeleteRegion "GdipDeleteRegion" sptr
; GdipDeleteRegion varptr(region)   ; 戻り値は stat
; region : GpRegion* in/out -> "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。

出力引数:

#uselib "gdiplus.dll"
#cfunc global GdipDeleteRegion "GdipDeleteRegion" var
; res = GdipDeleteRegion(region)
; region : GpRegion* in/out -> "var"
; ※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。#uselib "gdiplus.dll"
#cfunc global GdipDeleteRegion "GdipDeleteRegion" sptr
; res = GdipDeleteRegion(varptr(region))
; region : GpRegion* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; Status GdipDeleteRegion(GpRegion* region)
#uselib "gdiplus.dll"
#cfunc global GdipDeleteRegion "GdipDeleteRegion" var
; res = GdipDeleteRegion(region)
; region : GpRegion* in/out -> "var"
; ※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 GdipDeleteRegion(GpRegion* region)
#uselib "gdiplus.dll"
#cfunc global GdipDeleteRegion "GdipDeleteRegion" intptr
; res = GdipDeleteRegion(varptr(region))
; region : GpRegion* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipDeleteRegion = gdiplus.NewProc("GdipDeleteRegion")
)

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

function GdipDeleteRegion(
  region: Pointer   // GpRegion* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDeleteRegion';

result := DllCall("gdiplus\GdipDeleteRegion"
    , "Ptr", region   ; GpRegion* in/out
    , "Int")   ; return: Status

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