CreateIcon

// USER32.dll
#include <windows.h>

HICON CreateIcon(
    HINSTANCE hInstance,   // optional
    INT nWidth,
    INT nHeight,
    BYTE cPlanes,
    BYTE cBitsPixel,
    const BYTE* lpbANDbits,
    const BYTE* lpbXORbits
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CreateIcon(
    hInstance As IntPtr,   ' HINSTANCE optional
    nWidth As Integer,   ' INT
    nHeight As Integer,   ' INT
    cPlanes As Byte,   ' BYTE
    cBitsPixel As Byte,   ' BYTE
    lpbANDbits As IntPtr,   ' BYTE*
    lpbXORbits As IntPtr   ' BYTE*
) As IntPtr
End Function

' hInstance : HINSTANCE optional
' nWidth : INT
' nHeight : INT
' cPlanes : BYTE
' cBitsPixel : BYTE
' lpbANDbits : BYTE*
' lpbXORbits : BYTE*
Declare PtrSafe Function CreateIcon Lib "user32" ( _
    ByVal hInstance As LongPtr, _
    ByVal nWidth As Long, _
    ByVal nHeight As Long, _
    ByVal cPlanes As Byte, _
    ByVal cBitsPixel As Byte, _
    ByVal lpbANDbits As LongPtr, _
    ByVal lpbXORbits As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CreateIcon = ctypes.windll.user32.CreateIcon
CreateIcon.restype = ctypes.c_void_p
CreateIcon.argtypes = [
    wintypes.HANDLE,  # hInstance : HINSTANCE optional
    ctypes.c_int,  # nWidth : INT
    ctypes.c_int,  # nHeight : INT
    ctypes.c_ubyte,  # cPlanes : BYTE
    ctypes.c_ubyte,  # cBitsPixel : BYTE
    ctypes.POINTER(ctypes.c_ubyte),  # lpbANDbits : BYTE*
    ctypes.POINTER(ctypes.c_ubyte),  # lpbXORbits : BYTE*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
CreateIcon = Fiddle::Function.new(
  lib['CreateIcon'],
  [
    Fiddle::TYPE_VOIDP,  # hInstance : HINSTANCE optional
    Fiddle::TYPE_INT,  # nWidth : INT
    Fiddle::TYPE_INT,  # nHeight : INT
    -Fiddle::TYPE_CHAR,  # cPlanes : BYTE
    -Fiddle::TYPE_CHAR,  # cBitsPixel : BYTE
    Fiddle::TYPE_VOIDP,  # lpbANDbits : BYTE*
    Fiddle::TYPE_VOIDP,  # lpbXORbits : BYTE*
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "user32")]
extern "system" {
    fn CreateIcon(
        hInstance: *mut core::ffi::c_void,  // HINSTANCE optional
        nWidth: i32,  // INT
        nHeight: i32,  // INT
        cPlanes: u8,  // BYTE
        cBitsPixel: u8,  // BYTE
        lpbANDbits: *const u8,  // BYTE*
        lpbXORbits: *const u8  // BYTE*
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", SetLastError = true)]
public static extern IntPtr CreateIcon(IntPtr hInstance, int nWidth, int nHeight, byte cPlanes, byte cBitsPixel, IntPtr lpbANDbits, IntPtr lpbXORbits);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_CreateIcon' -Namespace Win32 -PassThru
# $api::CreateIcon(hInstance, nWidth, nHeight, cPlanes, cBitsPixel, lpbANDbits, lpbXORbits)

#uselib "USER32.dll"
#func global CreateIcon "CreateIcon" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CreateIcon hInstance, nWidth, nHeight, cPlanes, cBitsPixel, varptr(lpbANDbits), varptr(lpbXORbits)   ; 戻り値は stat
; hInstance : HINSTANCE optional -> "sptr"
; nWidth : INT -> "sptr"
; nHeight : INT -> "sptr"
; cPlanes : BYTE -> "sptr"
; cBitsPixel : BYTE -> "sptr"
; lpbANDbits : BYTE* -> "sptr"
; lpbXORbits : BYTE* -> "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 "USER32.dll"
#cfunc global CreateIcon "CreateIcon" sptr, int, int, int, int, var, var
; res = CreateIcon(hInstance, nWidth, nHeight, cPlanes, cBitsPixel, lpbANDbits, lpbXORbits)
; hInstance : HINSTANCE optional -> "sptr"
; nWidth : INT -> "int"
; nHeight : INT -> "int"
; cPlanes : BYTE -> "int"
; cBitsPixel : BYTE -> "int"
; lpbANDbits : BYTE* -> "var"
; lpbXORbits : BYTE* -> "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。

; HICON CreateIcon(HINSTANCE hInstance, INT nWidth, INT nHeight, BYTE cPlanes, BYTE cBitsPixel, BYTE* lpbANDbits, BYTE* lpbXORbits)
#uselib "USER32.dll"
#cfunc global CreateIcon "CreateIcon" intptr, int, int, int, int, var, var
; res = CreateIcon(hInstance, nWidth, nHeight, cPlanes, cBitsPixel, lpbANDbits, lpbXORbits)
; hInstance : HINSTANCE optional -> "intptr"
; nWidth : INT -> "int"
; nHeight : INT -> "int"
; cPlanes : BYTE -> "int"
; cBitsPixel : BYTE -> "int"
; lpbANDbits : BYTE* -> "var"
; lpbXORbits : BYTE* -> "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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procCreateIcon = user32.NewProc("CreateIcon")
)

// hInstance (HINSTANCE optional), nWidth (INT), nHeight (INT), cPlanes (BYTE), cBitsPixel (BYTE), lpbANDbits (BYTE*), lpbXORbits (BYTE*)
r1, _, err := procCreateIcon.Call(
	uintptr(hInstance),
	uintptr(nWidth),
	uintptr(nHeight),
	uintptr(cPlanes),
	uintptr(cBitsPixel),
	uintptr(lpbANDbits),
	uintptr(lpbXORbits),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HICON

function CreateIcon(
  hInstance: THandle;   // HINSTANCE optional
  nWidth: Integer;   // INT
  nHeight: Integer;   // INT
  cPlanes: Byte;   // BYTE
  cBitsPixel: Byte;   // BYTE
  lpbANDbits: Pointer;   // BYTE*
  lpbXORbits: Pointer   // BYTE*
): THandle; stdcall;
  external 'USER32.dll' name 'CreateIcon';

result := DllCall("USER32\CreateIcon"
    , "Ptr", hInstance   ; HINSTANCE optional
    , "Int", nWidth   ; INT
    , "Int", nHeight   ; INT
    , "UChar", cPlanes   ; BYTE
    , "UChar", cBitsPixel   ; BYTE
    , "Ptr", lpbANDbits   ; BYTE*
    , "Ptr", lpbXORbits   ; BYTE*
    , "Ptr")   ; return: HICON

●CreateIcon(hInstance, nWidth, nHeight, cPlanes, cBitsPixel, lpbANDbits, lpbXORbits) = DLL("USER32.dll", "void* CreateIcon(void*, int, int, byte, byte, void*, void*)")
# 呼び出し: CreateIcon(hInstance, nWidth, nHeight, cPlanes, cBitsPixel, lpbANDbits, lpbXORbits)
# hInstance : HINSTANCE optional -> "void*"
# nWidth : INT -> "int"
# nHeight : INT -> "int"
# cPlanes : BYTE -> "byte"
# cBitsPixel : BYTE -> "byte"
# lpbANDbits : BYTE* -> "void*"
# lpbXORbits : BYTE* -> "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)。