DwmSetPresentParameters

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

HRESULT DwmSetPresentParameters(
    HWND hwnd,
    DWM_PRESENT_PARAMETERS* pPresentParams
);

<DllImport("dwmapi.dll", ExactSpelling:=True)>
Public Shared Function DwmSetPresentParameters(
    hwnd As IntPtr,   ' HWND
    pPresentParams As IntPtr   ' DWM_PRESENT_PARAMETERS* in/out
) As Integer
End Function

' hwnd : HWND
' pPresentParams : DWM_PRESENT_PARAMETERS* in/out
Declare PtrSafe Function DwmSetPresentParameters Lib "dwmapi" ( _
    ByVal hwnd As LongPtr, _
    ByVal pPresentParams 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

DwmSetPresentParameters = ctypes.windll.dwmapi.DwmSetPresentParameters
DwmSetPresentParameters.restype = ctypes.c_int
DwmSetPresentParameters.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
    ctypes.c_void_p,  # pPresentParams : DWM_PRESENT_PARAMETERS* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dwmapi.dll')
DwmSetPresentParameters = Fiddle::Function.new(
  lib['DwmSetPresentParameters'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_VOIDP,  # pPresentParams : DWM_PRESENT_PARAMETERS* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "dwmapi")]
extern "system" {
    fn DwmSetPresentParameters(
        hwnd: *mut core::ffi::c_void,  // HWND
        pPresentParams: *mut DWM_PRESENT_PARAMETERS  // DWM_PRESENT_PARAMETERS* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dwmapi.dll")]
public static extern int DwmSetPresentParameters(IntPtr hwnd, IntPtr pPresentParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dwmapi_DwmSetPresentParameters' -Namespace Win32 -PassThru
# $api::DwmSetPresentParameters(hwnd, pPresentParams)

#uselib "dwmapi.dll"
#func global DwmSetPresentParameters "DwmSetPresentParameters" sptr, sptr
; DwmSetPresentParameters hwnd, varptr(pPresentParams)   ; 戻り値は stat
; hwnd : HWND -> "sptr"
; pPresentParams : DWM_PRESENT_PARAMETERS* 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。

#uselib "dwmapi.dll"
#cfunc global DwmSetPresentParameters "DwmSetPresentParameters" sptr, var
; res = DwmSetPresentParameters(hwnd, pPresentParams)
; hwnd : HWND -> "sptr"
; pPresentParams : DWM_PRESENT_PARAMETERS* 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。

; HRESULT DwmSetPresentParameters(HWND hwnd, DWM_PRESENT_PARAMETERS* pPresentParams)
#uselib "dwmapi.dll"
#cfunc global DwmSetPresentParameters "DwmSetPresentParameters" intptr, var
; res = DwmSetPresentParameters(hwnd, pPresentParams)
; hwnd : HWND -> "intptr"
; pPresentParams : DWM_PRESENT_PARAMETERS* 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。

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

var (
	dwmapi = windows.NewLazySystemDLL("dwmapi.dll")
	procDwmSetPresentParameters = dwmapi.NewProc("DwmSetPresentParameters")
)

// hwnd (HWND), pPresentParams (DWM_PRESENT_PARAMETERS* in/out)
r1, _, err := procDwmSetPresentParameters.Call(
	uintptr(hwnd),
	uintptr(pPresentParams),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DwmSetPresentParameters(
  hwnd: THandle;   // HWND
  pPresentParams: Pointer   // DWM_PRESENT_PARAMETERS* in/out
): Integer; stdcall;
  external 'dwmapi.dll' name 'DwmSetPresentParameters';

result := DllCall("dwmapi\DwmSetPresentParameters"
    , "Ptr", hwnd   ; HWND
    , "Ptr", pPresentParams   ; DWM_PRESENT_PARAMETERS* in/out
    , "Int")   ; return: HRESULT

●DwmSetPresentParameters(hwnd, pPresentParams) = DLL("dwmapi.dll", "int DwmSetPresentParameters(void*, void*)")
# 呼び出し: DwmSetPresentParameters(hwnd, pPresentParams)
# hwnd : HWND -> "void*"
# pPresentParams : DWM_PRESENT_PARAMETERS* 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)。