wglCopyContext

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

BOOL wglCopyContext(
    HGLRC param0,
    HGLRC param1,
    DWORD param2
);

<DllImport("OPENGL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function wglCopyContext(
    param0 As IntPtr,   ' HGLRC
    param1 As IntPtr,   ' HGLRC
    param2 As UInteger   ' DWORD
) As Boolean
End Function

' param0 : HGLRC
' param1 : HGLRC
' param2 : DWORD
Declare PtrSafe Function wglCopyContext Lib "opengl32" ( _
    ByVal param0 As LongPtr, _
    ByVal param1 As LongPtr, _
    ByVal param2 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

wglCopyContext = ctypes.windll.opengl32.wglCopyContext
wglCopyContext.restype = wintypes.BOOL
wglCopyContext.argtypes = [
    wintypes.HANDLE,  # param0 : HGLRC
    wintypes.HANDLE,  # param1 : HGLRC
    wintypes.DWORD,  # param2 : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
wglCopyContext = Fiddle::Function.new(
  lib['wglCopyContext'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : HGLRC
    Fiddle::TYPE_VOIDP,  # param1 : HGLRC
    -Fiddle::TYPE_INT,  # param2 : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "opengl32")]
extern "system" {
    fn wglCopyContext(
        param0: *mut core::ffi::c_void,  // HGLRC
        param1: *mut core::ffi::c_void,  // HGLRC
        param2: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("OPENGL32.dll", SetLastError = true)]
public static extern bool wglCopyContext(IntPtr param0, IntPtr param1, uint param2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_wglCopyContext' -Namespace Win32 -PassThru
# $api::wglCopyContext(param0, param1, param2)

#uselib "OPENGL32.dll"
#func global wglCopyContext "wglCopyContext" sptr, sptr, sptr
; wglCopyContext param0, param1, param2   ; 戻り値は stat
; param0 : HGLRC -> "sptr"
; param1 : HGLRC -> "sptr"
; param2 : 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 "OPENGL32.dll"
#cfunc global wglCopyContext "wglCopyContext" sptr, sptr, int
; res = wglCopyContext(param0, param1, param2)
; param0 : HGLRC -> "sptr"
; param1 : HGLRC -> "sptr"
; param2 : DWORD -> "int"

; BOOL wglCopyContext(HGLRC param0, HGLRC param1, DWORD param2)
#uselib "OPENGL32.dll"
#cfunc global wglCopyContext "wglCopyContext" intptr, intptr, int
; res = wglCopyContext(param0, param1, param2)
; param0 : HGLRC -> "intptr"
; param1 : HGLRC -> "intptr"
; param2 : DWORD -> "int"

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procwglCopyContext = opengl32.NewProc("wglCopyContext")
)

// param0 (HGLRC), param1 (HGLRC), param2 (DWORD)
r1, _, err := procwglCopyContext.Call(
	uintptr(param0),
	uintptr(param1),
	uintptr(param2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function wglCopyContext(
  param0: THandle;   // HGLRC
  param1: THandle;   // HGLRC
  param2: DWORD   // DWORD
): BOOL; stdcall;
  external 'OPENGL32.dll' name 'wglCopyContext';

result := DllCall("OPENGL32\wglCopyContext"
    , "Ptr", param0   ; HGLRC
    , "Ptr", param1   ; HGLRC
    , "UInt", param2   ; DWORD
    , "Int")   ; return: BOOL

●wglCopyContext(param0, param1, param2) = DLL("OPENGL32.dll", "bool wglCopyContext(void*, void*, dword)")
# 呼び出し: wglCopyContext(param0, param1, param2)
# param0 : HGLRC -> "void*"
# param1 : HGLRC -> "void*"
# param2 : 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)。