GdipCreateHBITMAPFromBitmap

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

Status GdipCreateHBITMAPFromBitmap(
    GpBitmap* bitmap,
    HBITMAP* hbmReturn,
    DWORD background
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateHBITMAPFromBitmap(
    bitmap As IntPtr,   ' GpBitmap* in/out
    hbmReturn As IntPtr,   ' HBITMAP* in/out
    background As UInteger   ' DWORD
) As Integer
End Function

' bitmap : GpBitmap* in/out
' hbmReturn : HBITMAP* in/out
' background : DWORD
Declare PtrSafe Function GdipCreateHBITMAPFromBitmap Lib "gdiplus" ( _
    ByVal bitmap As LongPtr, _
    ByVal hbmReturn As LongPtr, _
    ByVal background 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

GdipCreateHBITMAPFromBitmap = ctypes.windll.gdiplus.GdipCreateHBITMAPFromBitmap
GdipCreateHBITMAPFromBitmap.restype = ctypes.c_int
GdipCreateHBITMAPFromBitmap.argtypes = [
    ctypes.c_void_p,  # bitmap : GpBitmap* in/out
    ctypes.c_void_p,  # hbmReturn : HBITMAP* in/out
    wintypes.DWORD,  # background : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateHBITMAPFromBitmap = Fiddle::Function.new(
  lib['GdipCreateHBITMAPFromBitmap'],
  [
    Fiddle::TYPE_VOIDP,  # bitmap : GpBitmap* in/out
    Fiddle::TYPE_VOIDP,  # hbmReturn : HBITMAP* in/out
    -Fiddle::TYPE_INT,  # background : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipCreateHBITMAPFromBitmap(
        bitmap: *mut GpBitmap,  // GpBitmap* in/out
        hbmReturn: *mut *mut core::ffi::c_void,  // HBITMAP* in/out
        background: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipCreateHBITMAPFromBitmap(IntPtr bitmap, IntPtr hbmReturn, uint background);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateHBITMAPFromBitmap' -Namespace Win32 -PassThru
# $api::GdipCreateHBITMAPFromBitmap(bitmap, hbmReturn, background)

#uselib "gdiplus.dll"
#func global GdipCreateHBITMAPFromBitmap "GdipCreateHBITMAPFromBitmap" sptr, sptr, sptr
; GdipCreateHBITMAPFromBitmap varptr(bitmap), hbmReturn, background   ; 戻り値は stat
; bitmap : GpBitmap* in/out -> "sptr"
; hbmReturn : HBITMAP* in/out -> "sptr"
; background : 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 "gdiplus.dll"
#cfunc global GdipCreateHBITMAPFromBitmap "GdipCreateHBITMAPFromBitmap" var, sptr, int
; res = GdipCreateHBITMAPFromBitmap(bitmap, hbmReturn, background)
; bitmap : GpBitmap* in/out -> "var"
; hbmReturn : HBITMAP* in/out -> "sptr"
; background : 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。

; Status GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap, HBITMAP* hbmReturn, DWORD background)
#uselib "gdiplus.dll"
#cfunc global GdipCreateHBITMAPFromBitmap "GdipCreateHBITMAPFromBitmap" var, intptr, int
; res = GdipCreateHBITMAPFromBitmap(bitmap, hbmReturn, background)
; bitmap : GpBitmap* in/out -> "var"
; hbmReturn : HBITMAP* in/out -> "intptr"
; background : 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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipCreateHBITMAPFromBitmap = gdiplus.NewProc("GdipCreateHBITMAPFromBitmap")
)

// bitmap (GpBitmap* in/out), hbmReturn (HBITMAP* in/out), background (DWORD)
r1, _, err := procGdipCreateHBITMAPFromBitmap.Call(
	uintptr(bitmap),
	uintptr(hbmReturn),
	uintptr(background),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipCreateHBITMAPFromBitmap(
  bitmap: Pointer;   // GpBitmap* in/out
  hbmReturn: Pointer;   // HBITMAP* in/out
  background: DWORD   // DWORD
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateHBITMAPFromBitmap';

result := DllCall("gdiplus\GdipCreateHBITMAPFromBitmap"
    , "Ptr", bitmap   ; GpBitmap* in/out
    , "Ptr", hbmReturn   ; HBITMAP* in/out
    , "UInt", background   ; DWORD
    , "Int")   ; return: Status

●GdipCreateHBITMAPFromBitmap(bitmap, hbmReturn, background) = DLL("gdiplus.dll", "int GdipCreateHBITMAPFromBitmap(void*, void*, dword)")
# 呼び出し: GdipCreateHBITMAPFromBitmap(bitmap, hbmReturn, background)
# bitmap : GpBitmap* in/out -> "void*"
# hbmReturn : HBITMAP* in/out -> "void*"
# background : 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)。