gluNurbsProperty

// GLU32.dll
#include <windows.h>

void gluNurbsProperty(
    GLUnurbs* nobj,
    DWORD property,
    FLOAT value
);

<DllImport("GLU32.dll", ExactSpelling:=True)>
Public Shared Sub gluNurbsProperty(
    ByRef nobj As IntPtr,   ' GLUnurbs* in/out
    [property] As UInteger,   ' DWORD
    value As Single   ' FLOAT
)
End Sub

' nobj : GLUnurbs* in/out
' property : DWORD
' value : FLOAT
Declare PtrSafe Sub gluNurbsProperty Lib "glu32" ( _
    ByRef nobj As LongPtr, _
    ByVal property As Long, _
    ByVal value As Single)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

gluNurbsProperty = ctypes.windll.glu32.gluNurbsProperty
gluNurbsProperty.restype = None
gluNurbsProperty.argtypes = [
    ctypes.c_void_p,  # nobj : GLUnurbs* in/out
    wintypes.DWORD,  # property : DWORD
    ctypes.c_float,  # value : FLOAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GLU32.dll')
gluNurbsProperty = Fiddle::Function.new(
  lib['gluNurbsProperty'],
  [
    Fiddle::TYPE_VOIDP,  # nobj : GLUnurbs* in/out
    -Fiddle::TYPE_INT,  # property : DWORD
    Fiddle::TYPE_FLOAT,  # value : FLOAT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "glu32")]
extern "system" {
    fn gluNurbsProperty(
        nobj: *mut isize,  // GLUnurbs* in/out
        property: u32,  // DWORD
        value: f32  // FLOAT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GLU32.dll")]
public static extern void gluNurbsProperty(ref IntPtr nobj, uint property, float value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GLU32_gluNurbsProperty' -Namespace Win32 -PassThru
# $api::gluNurbsProperty(nobj, property, value)

#uselib "GLU32.dll"
#func global gluNurbsProperty "gluNurbsProperty" sptr, sptr, float
; gluNurbsProperty nobj, property, value
; nobj : GLUnurbs* in/out -> "sptr"
; property : DWORD -> "sptr"
; value : FLOAT -> "float"

#uselib "GLU32.dll"
#func global gluNurbsProperty "gluNurbsProperty" int, int, float
; gluNurbsProperty nobj, property, value
; nobj : GLUnurbs* in/out -> "int"
; property : DWORD -> "int"
; value : FLOAT -> "float"

; void gluNurbsProperty(GLUnurbs* nobj, DWORD property, FLOAT value)
#uselib "GLU32.dll"
#func global gluNurbsProperty "gluNurbsProperty" int, int, float
; gluNurbsProperty nobj, property, value
; nobj : GLUnurbs* in/out -> "int"
; property : DWORD -> "int"
; value : FLOAT -> "float"

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

var (
	glu32 = windows.NewLazySystemDLL("GLU32.dll")
	procgluNurbsProperty = glu32.NewProc("gluNurbsProperty")
)

// nobj (GLUnurbs* in/out), property (DWORD), value (FLOAT)
r1, _, err := procgluNurbsProperty.Call(
	uintptr(nobj),
	uintptr(property),
	uintptr(math.Float32bits(value)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

procedure gluNurbsProperty(
  nobj: Pointer;   // GLUnurbs* in/out
  property: DWORD;   // DWORD
  value: Single   // FLOAT
); stdcall;
  external 'GLU32.dll' name 'gluNurbsProperty';

result := DllCall("GLU32\gluNurbsProperty"
    , "Ptr", nobj   ; GLUnurbs* in/out
    , "UInt", property   ; DWORD
    , "Float", value   ; FLOAT
    , "Int")   ; return: void

●gluNurbsProperty(nobj, property, value) = DLL("GLU32.dll", "int gluNurbsProperty(void*, dword, float)")
# 呼び出し: gluNurbsProperty(nobj, property, value)
# nobj : GLUnurbs* in/out -> "void*"
# property : DWORD -> "dword"
# value : FLOAT -> "float"
# 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)。