wglGetLayerPaletteEntries

// OPENGL32.dll
#include <windows.h>

INT wglGetLayerPaletteEntries(
    HDC param0,
    INT param1,
    INT param2,
    INT param3,
    COLORREF* param4
);

<DllImport("OPENGL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function wglGetLayerPaletteEntries(
    param0 As IntPtr,   ' HDC
    param1 As Integer,   ' INT
    param2 As Integer,   ' INT
    param3 As Integer,   ' INT
    ByRef param4 As UInteger   ' COLORREF* in/out
) As Integer
End Function

' param0 : HDC
' param1 : INT
' param2 : INT
' param3 : INT
' param4 : COLORREF* in/out
Declare PtrSafe Function wglGetLayerPaletteEntries Lib "opengl32" ( _
    ByVal param0 As LongPtr, _
    ByVal param1 As Long, _
    ByVal param2 As Long, _
    ByVal param3 As Long, _
    ByRef param4 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

wglGetLayerPaletteEntries = ctypes.windll.opengl32.wglGetLayerPaletteEntries
wglGetLayerPaletteEntries.restype = ctypes.c_int
wglGetLayerPaletteEntries.argtypes = [
    wintypes.HANDLE,  # param0 : HDC
    ctypes.c_int,  # param1 : INT
    ctypes.c_int,  # param2 : INT
    ctypes.c_int,  # param3 : INT
    ctypes.c_void_p,  # param4 : COLORREF* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
wglGetLayerPaletteEntries = Fiddle::Function.new(
  lib['wglGetLayerPaletteEntries'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : HDC
    Fiddle::TYPE_INT,  # param1 : INT
    Fiddle::TYPE_INT,  # param2 : INT
    Fiddle::TYPE_INT,  # param3 : INT
    Fiddle::TYPE_VOIDP,  # param4 : COLORREF* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "opengl32")]
extern "system" {
    fn wglGetLayerPaletteEntries(
        param0: *mut core::ffi::c_void,  // HDC
        param1: i32,  // INT
        param2: i32,  // INT
        param3: i32,  // INT
        param4: *mut u32  // COLORREF* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll", SetLastError = true)]
public static extern int wglGetLayerPaletteEntries(IntPtr param0, int param1, int param2, int param3, ref uint param4);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_wglGetLayerPaletteEntries' -Namespace Win32 -PassThru
# $api::wglGetLayerPaletteEntries(param0, param1, param2, param3, param4)

#uselib "OPENGL32.dll"
#func global wglGetLayerPaletteEntries "wglGetLayerPaletteEntries" sptr, sptr, sptr, sptr, sptr
; wglGetLayerPaletteEntries param0, param1, param2, param3, param4   ; 戻り値は stat
; param0 : HDC -> "sptr"
; param1 : INT -> "sptr"
; param2 : INT -> "sptr"
; param3 : INT -> "sptr"
; param4 : COLORREF* 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 "OPENGL32.dll"
#cfunc global wglGetLayerPaletteEntries "wglGetLayerPaletteEntries" sptr, int, int, int, int
; res = wglGetLayerPaletteEntries(param0, param1, param2, param3, param4)
; param0 : HDC -> "sptr"
; param1 : INT -> "int"
; param2 : INT -> "int"
; param3 : INT -> "int"
; param4 : COLORREF* in/out -> "int"

; INT wglGetLayerPaletteEntries(HDC param0, INT param1, INT param2, INT param3, COLORREF* param4)
#uselib "OPENGL32.dll"
#cfunc global wglGetLayerPaletteEntries "wglGetLayerPaletteEntries" intptr, int, int, int, int
; res = wglGetLayerPaletteEntries(param0, param1, param2, param3, param4)
; param0 : HDC -> "intptr"
; param1 : INT -> "int"
; param2 : INT -> "int"
; param3 : INT -> "int"
; param4 : COLORREF* in/out -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procwglGetLayerPaletteEntries = opengl32.NewProc("wglGetLayerPaletteEntries")
)

// param0 (HDC), param1 (INT), param2 (INT), param3 (INT), param4 (COLORREF* in/out)
r1, _, err := procwglGetLayerPaletteEntries.Call(
	uintptr(param0),
	uintptr(param1),
	uintptr(param2),
	uintptr(param3),
	uintptr(param4),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function wglGetLayerPaletteEntries(
  param0: THandle;   // HDC
  param1: Integer;   // INT
  param2: Integer;   // INT
  param3: Integer;   // INT
  param4: Pointer   // COLORREF* in/out
): Integer; stdcall;
  external 'OPENGL32.dll' name 'wglGetLayerPaletteEntries';

result := DllCall("OPENGL32\wglGetLayerPaletteEntries"
    , "Ptr", param0   ; HDC
    , "Int", param1   ; INT
    , "Int", param2   ; INT
    , "Int", param3   ; INT
    , "Ptr", param4   ; COLORREF* in/out
    , "Int")   ; return: INT

●wglGetLayerPaletteEntries(param0, param1, param2, param3, param4) = DLL("OPENGL32.dll", "int wglGetLayerPaletteEntries(void*, int, int, int, void*)")
# 呼び出し: wglGetLayerPaletteEntries(param0, param1, param2, param3, param4)
# param0 : HDC -> "void*"
# param1 : INT -> "int"
# param2 : INT -> "int"
# param3 : INT -> "int"
# param4 : COLORREF* 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)。