GdipCreateBitmapFromHICON

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

Status GdipCreateBitmapFromHICON(
    HICON hicon,
    GpBitmap** bitmap
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateBitmapFromHICON(
    hicon As IntPtr,   ' HICON
    bitmap As IntPtr   ' GpBitmap** in/out
) As Integer
End Function

' hicon : HICON
' bitmap : GpBitmap** in/out
Declare PtrSafe Function GdipCreateBitmapFromHICON Lib "gdiplus" ( _
    ByVal hicon 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

GdipCreateBitmapFromHICON = ctypes.windll.gdiplus.GdipCreateBitmapFromHICON
GdipCreateBitmapFromHICON.restype = ctypes.c_int
GdipCreateBitmapFromHICON.argtypes = [
    wintypes.HANDLE,  # hicon : HICON
    ctypes.c_void_p,  # bitmap : GpBitmap** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateBitmapFromHICON = Fiddle::Function.new(
  lib['GdipCreateBitmapFromHICON'],
  [
    Fiddle::TYPE_VOIDP,  # hicon : HICON
    Fiddle::TYPE_VOIDP,  # bitmap : GpBitmap** in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipCreateBitmapFromHICON(
        hicon: *mut core::ffi::c_void,  // HICON
        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 GdipCreateBitmapFromHICON(IntPtr hicon, IntPtr bitmap);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateBitmapFromHICON' -Namespace Win32 -PassThru
# $api::GdipCreateBitmapFromHICON(hicon, bitmap)

#uselib "gdiplus.dll"
#func global GdipCreateBitmapFromHICON "GdipCreateBitmapFromHICON" sptr, sptr
; GdipCreateBitmapFromHICON hicon, varptr(bitmap)   ; 戻り値は stat
; hicon : HICON -> "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 GdipCreateBitmapFromHICON "GdipCreateBitmapFromHICON" sptr, var
; res = GdipCreateBitmapFromHICON(hicon, bitmap)
; hicon : HICON -> "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 GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap)
#uselib "gdiplus.dll"
#cfunc global GdipCreateBitmapFromHICON "GdipCreateBitmapFromHICON" intptr, var
; res = GdipCreateBitmapFromHICON(hicon, bitmap)
; hicon : HICON -> "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")
	procGdipCreateBitmapFromHICON = gdiplus.NewProc("GdipCreateBitmapFromHICON")
)

// hicon (HICON), bitmap (GpBitmap** in/out)
r1, _, err := procGdipCreateBitmapFromHICON.Call(
	uintptr(hicon),
	uintptr(bitmap),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipCreateBitmapFromHICON(
  hicon: THandle;   // HICON
  bitmap: Pointer   // GpBitmap** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateBitmapFromHICON';

result := DllCall("gdiplus\GdipCreateBitmapFromHICON"
    , "Ptr", hicon   ; HICON
    , "Ptr", bitmap   ; GpBitmap** in/out
    , "Int")   ; return: Status

●GdipCreateBitmapFromHICON(hicon, bitmap) = DLL("gdiplus.dll", "int GdipCreateBitmapFromHICON(void*, void*)")
# 呼び出し: GdipCreateBitmapFromHICON(hicon, bitmap)
# hicon : HICON -> "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)。