DwmSetIconicLivePreviewBitmap

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

HRESULT DwmSetIconicLivePreviewBitmap(
    HWND hwnd,
    HBITMAP hbmp,
    POINT* pptClient,   // optional
    DWORD dwSITFlags
);

<DllImport("dwmapi.dll", ExactSpelling:=True)>
Public Shared Function DwmSetIconicLivePreviewBitmap(
    hwnd As IntPtr,   ' HWND
    hbmp As IntPtr,   ' HBITMAP
    pptClient As IntPtr,   ' POINT* optional
    dwSITFlags As UInteger   ' DWORD
) As Integer
End Function

' hwnd : HWND
' hbmp : HBITMAP
' pptClient : POINT* optional
' dwSITFlags : DWORD
Declare PtrSafe Function DwmSetIconicLivePreviewBitmap Lib "dwmapi" ( _
    ByVal hwnd As LongPtr, _
    ByVal hbmp As LongPtr, _
    ByVal pptClient As LongPtr, _
    ByVal dwSITFlags 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

DwmSetIconicLivePreviewBitmap = ctypes.windll.dwmapi.DwmSetIconicLivePreviewBitmap
DwmSetIconicLivePreviewBitmap.restype = ctypes.c_int
DwmSetIconicLivePreviewBitmap.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
    wintypes.HANDLE,  # hbmp : HBITMAP
    ctypes.c_void_p,  # pptClient : POINT* optional
    wintypes.DWORD,  # dwSITFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dwmapi.dll')
DwmSetIconicLivePreviewBitmap = Fiddle::Function.new(
  lib['DwmSetIconicLivePreviewBitmap'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_VOIDP,  # hbmp : HBITMAP
    Fiddle::TYPE_VOIDP,  # pptClient : POINT* optional
    -Fiddle::TYPE_INT,  # dwSITFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "dwmapi")]
extern "system" {
    fn DwmSetIconicLivePreviewBitmap(
        hwnd: *mut core::ffi::c_void,  // HWND
        hbmp: *mut core::ffi::c_void,  // HBITMAP
        pptClient: *mut POINT,  // POINT* optional
        dwSITFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dwmapi.dll")]
public static extern int DwmSetIconicLivePreviewBitmap(IntPtr hwnd, IntPtr hbmp, IntPtr pptClient, uint dwSITFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dwmapi_DwmSetIconicLivePreviewBitmap' -Namespace Win32 -PassThru
# $api::DwmSetIconicLivePreviewBitmap(hwnd, hbmp, pptClient, dwSITFlags)

#uselib "dwmapi.dll"
#func global DwmSetIconicLivePreviewBitmap "DwmSetIconicLivePreviewBitmap" sptr, sptr, sptr, sptr
; DwmSetIconicLivePreviewBitmap hwnd, hbmp, varptr(pptClient), dwSITFlags   ; 戻り値は stat
; hwnd : HWND -> "sptr"
; hbmp : HBITMAP -> "sptr"
; pptClient : POINT* optional -> "sptr"
; dwSITFlags : DWORD -> "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 DwmSetIconicLivePreviewBitmap "DwmSetIconicLivePreviewBitmap" sptr, sptr, var, int
; res = DwmSetIconicLivePreviewBitmap(hwnd, hbmp, pptClient, dwSITFlags)
; hwnd : HWND -> "sptr"
; hbmp : HBITMAP -> "sptr"
; pptClient : POINT* optional -> "var"
; dwSITFlags : DWORD -> "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。

; HRESULT DwmSetIconicLivePreviewBitmap(HWND hwnd, HBITMAP hbmp, POINT* pptClient, DWORD dwSITFlags)
#uselib "dwmapi.dll"
#cfunc global DwmSetIconicLivePreviewBitmap "DwmSetIconicLivePreviewBitmap" intptr, intptr, var, int
; res = DwmSetIconicLivePreviewBitmap(hwnd, hbmp, pptClient, dwSITFlags)
; hwnd : HWND -> "intptr"
; hbmp : HBITMAP -> "intptr"
; pptClient : POINT* optional -> "var"
; dwSITFlags : DWORD -> "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 (
	dwmapi = windows.NewLazySystemDLL("dwmapi.dll")
	procDwmSetIconicLivePreviewBitmap = dwmapi.NewProc("DwmSetIconicLivePreviewBitmap")
)

// hwnd (HWND), hbmp (HBITMAP), pptClient (POINT* optional), dwSITFlags (DWORD)
r1, _, err := procDwmSetIconicLivePreviewBitmap.Call(
	uintptr(hwnd),
	uintptr(hbmp),
	uintptr(pptClient),
	uintptr(dwSITFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DwmSetIconicLivePreviewBitmap(
  hwnd: THandle;   // HWND
  hbmp: THandle;   // HBITMAP
  pptClient: Pointer;   // POINT* optional
  dwSITFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'dwmapi.dll' name 'DwmSetIconicLivePreviewBitmap';

result := DllCall("dwmapi\DwmSetIconicLivePreviewBitmap"
    , "Ptr", hwnd   ; HWND
    , "Ptr", hbmp   ; HBITMAP
    , "Ptr", pptClient   ; POINT* optional
    , "UInt", dwSITFlags   ; DWORD
    , "Int")   ; return: HRESULT

●DwmSetIconicLivePreviewBitmap(hwnd, hbmp, pptClient, dwSITFlags) = DLL("dwmapi.dll", "int DwmSetIconicLivePreviewBitmap(void*, void*, void*, dword)")
# 呼び出し: DwmSetIconicLivePreviewBitmap(hwnd, hbmp, pptClient, dwSITFlags)
# hwnd : HWND -> "void*"
# hbmp : HBITMAP -> "void*"
# pptClient : POINT* optional -> "void*"
# dwSITFlags : DWORD -> "dword"
# 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)。