GdiFlush

関数

現在のスレッドのGDI描画バッチを処理して完了させる。

DLLGDI32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

BOOL GdiFlush(void);

パラメーターなし。戻り値: BOOL

各言語での呼び出し定義

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

BOOL GdiFlush(void);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", ExactSpelling = true)]
static extern bool GdiFlush();

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function GdiFlush() As Boolean
End Function

Declare PtrSafe Function GdiFlush Lib "gdi32" () As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdiFlush = ctypes.windll.gdi32.GdiFlush
GdiFlush.restype = wintypes.BOOL
GdiFlush.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GdiFlush = Fiddle::Function.new(
  lib['GdiFlush'],
  [],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn GdiFlush() -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool GdiFlush();
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GdiFlush' -Namespace Win32 -PassThru
# $api::GdiFlush()

#uselib "GDI32.dll"
#func global GdiFlush "GdiFlush"
; GdiFlush   ; 戻り値は stat
; ※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 GdiFlush "GdiFlush"
; res = GdiFlush()

; BOOL GdiFlush()
#uselib "GDI32.dll"
#cfunc global GdiFlush "GdiFlush"
; res = GdiFlush()

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGdiFlush = gdi32.NewProc("GdiFlush")
)

r1, _, err := procGdiFlush.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GdiFlush: BOOL; stdcall;
  external 'GDI32.dll' name 'GdiFlush';

result := DllCall("GDI32\GdiFlush", "Int")

●GdiFlush() = DLL("GDI32.dll", "bool GdiFlush()")
# 呼び出し: GdiFlush()
# 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)。