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DCompositionBoostCompositorClock

関数

コンポジタークロックの動作を一時的に高速化する。

DLLdcomp.dll呼出規約winapi

シグネチャ

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

HRESULT DCompositionBoostCompositorClock(
    BOOL enable
);

パラメーター

名前	型	方向	説明
enable	BOOL	in	コンポジタークロックのブーストを有効にするか示す真偽値。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DCompositionBoostCompositorClock(
    BOOL enable
);

[DllImport("dcomp.dll", ExactSpelling = true)]
static extern int DCompositionBoostCompositorClock(
    bool enable   // BOOL
);

<DllImport("dcomp.dll", ExactSpelling:=True)>
Public Shared Function DCompositionBoostCompositorClock(
    enable As Boolean   ' BOOL
) As Integer
End Function

' enable : BOOL
Declare PtrSafe Function DCompositionBoostCompositorClock Lib "dcomp" ( _
    ByVal enable 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

DCompositionBoostCompositorClock = ctypes.windll.dcomp.DCompositionBoostCompositorClock
DCompositionBoostCompositorClock.restype = ctypes.c_int
DCompositionBoostCompositorClock.argtypes = [
    wintypes.BOOL,  # enable : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dcomp.dll')
DCompositionBoostCompositorClock = Fiddle::Function.new(
  lib['DCompositionBoostCompositorClock'],
  [
    Fiddle::TYPE_INT,  # enable : BOOL
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("dcomp.dll")]
public static extern int DCompositionBoostCompositorClock(bool enable);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dcomp_DCompositionBoostCompositorClock' -Namespace Win32 -PassThru
# $api::DCompositionBoostCompositorClock(enable)

#uselib "dcomp.dll"
#func global DCompositionBoostCompositorClock "DCompositionBoostCompositorClock" sptr
; DCompositionBoostCompositorClock enable   ; 戻り値は stat
; enable : BOOL -> "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 "dcomp.dll"
#cfunc global DCompositionBoostCompositorClock "DCompositionBoostCompositorClock" int
; res = DCompositionBoostCompositorClock(enable)
; enable : BOOL -> "int"

; HRESULT DCompositionBoostCompositorClock(BOOL enable)
#uselib "dcomp.dll"
#cfunc global DCompositionBoostCompositorClock "DCompositionBoostCompositorClock" int
; res = DCompositionBoostCompositorClock(enable)
; enable : BOOL -> "int"

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

var (
	dcomp = windows.NewLazySystemDLL("dcomp.dll")
	procDCompositionBoostCompositorClock = dcomp.NewProc("DCompositionBoostCompositorClock")
)

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

function DCompositionBoostCompositorClock(
  enable: BOOL   // BOOL
): Integer; stdcall;
  external 'dcomp.dll' name 'DCompositionBoostCompositorClock';

result := DllCall("dcomp\DCompositionBoostCompositorClock"
    , "Int", enable   ; BOOL
    , "Int")   ; return: HRESULT

●DCompositionBoostCompositorClock(enable) = DLL("dcomp.dll", "int DCompositionBoostCompositorClock(bool)")
# 呼び出し: DCompositionBoostCompositorClock(enable)
# enable : BOOL -> "bool"
# 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)。