GdipCreateBitmapFromHBITMAP

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

Status GdipCreateBitmapFromHBITMAP(
    HBITMAP hbm,
    HPALETTE hpal,
    GpBitmap** bitmap
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateBitmapFromHBITMAP(
    hbm As IntPtr,   ' HBITMAP
    hpal As IntPtr,   ' HPALETTE
    bitmap As IntPtr   ' GpBitmap** in/out
) As Integer
End Function

' hbm : HBITMAP
' hpal : HPALETTE
' bitmap : GpBitmap** in/out
Declare PtrSafe Function GdipCreateBitmapFromHBITMAP Lib "gdiplus" ( _
    ByVal hbm As LongPtr, _
    ByVal hpal As LongPtr, _
    ByVal bitmap 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

GdipCreateBitmapFromHBITMAP = ctypes.windll.gdiplus.GdipCreateBitmapFromHBITMAP
GdipCreateBitmapFromHBITMAP.restype = ctypes.c_int
GdipCreateBitmapFromHBITMAP.argtypes = [
    wintypes.HANDLE,  # hbm : HBITMAP
    wintypes.HANDLE,  # hpal : HPALETTE
    ctypes.c_void_p,  # bitmap : GpBitmap** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateBitmapFromHBITMAP = Fiddle::Function.new(
  lib['GdipCreateBitmapFromHBITMAP'],
  [
    Fiddle::TYPE_VOIDP,  # hbm : HBITMAP
    Fiddle::TYPE_VOIDP,  # hpal : HPALETTE
    Fiddle::TYPE_VOIDP,  # bitmap : GpBitmap** in/out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipCreateBitmapFromHBITMAP(IntPtr hbm, IntPtr hpal, IntPtr bitmap);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateBitmapFromHBITMAP' -Namespace Win32 -PassThru
# $api::GdipCreateBitmapFromHBITMAP(hbm, hpal, bitmap)

#uselib "gdiplus.dll"
#func global GdipCreateBitmapFromHBITMAP "GdipCreateBitmapFromHBITMAP" sptr, sptr, sptr
; GdipCreateBitmapFromHBITMAP hbm, hpal, varptr(bitmap)   ; 戻り値は stat
; hbm : HBITMAP -> "sptr"
; hpal : HPALETTE -> "sptr"
; bitmap : GpBitmap** 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 "gdiplus.dll"
#cfunc global GdipCreateBitmapFromHBITMAP "GdipCreateBitmapFromHBITMAP" sptr, sptr, var
; res = GdipCreateBitmapFromHBITMAP(hbm, hpal, bitmap)
; hbm : HBITMAP -> "sptr"
; hpal : HPALETTE -> "sptr"
; bitmap : GpBitmap** 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。

; Status GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
#uselib "gdiplus.dll"
#cfunc global GdipCreateBitmapFromHBITMAP "GdipCreateBitmapFromHBITMAP" intptr, intptr, var
; res = GdipCreateBitmapFromHBITMAP(hbm, hpal, bitmap)
; hbm : HBITMAP -> "intptr"
; hpal : HPALETTE -> "intptr"
; bitmap : GpBitmap** 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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipCreateBitmapFromHBITMAP = gdiplus.NewProc("GdipCreateBitmapFromHBITMAP")
)

// hbm (HBITMAP), hpal (HPALETTE), bitmap (GpBitmap** in/out)
r1, _, err := procGdipCreateBitmapFromHBITMAP.Call(
	uintptr(hbm),
	uintptr(hpal),
	uintptr(bitmap),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipCreateBitmapFromHBITMAP(
  hbm: THandle;   // HBITMAP
  hpal: THandle;   // HPALETTE
  bitmap: Pointer   // GpBitmap** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateBitmapFromHBITMAP';

result := DllCall("gdiplus\GdipCreateBitmapFromHBITMAP"
    , "Ptr", hbm   ; HBITMAP
    , "Ptr", hpal   ; HPALETTE
    , "Ptr", bitmap   ; GpBitmap** in/out
    , "Int")   ; return: Status

●GdipCreateBitmapFromHBITMAP(hbm, hpal, bitmap) = DLL("gdiplus.dll", "int GdipCreateBitmapFromHBITMAP(void*, void*, void*)")
# 呼び出し: GdipCreateBitmapFromHBITMAP(hbm, hpal, bitmap)
# hbm : HBITMAP -> "void*"
# hpal : HPALETTE -> "void*"
# bitmap : GpBitmap** 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)。