SetColorSpace

// GDI32.dll
#include <windows.h>

HCOLORSPACE SetColorSpace(
    HDC hdc,
    HCOLORSPACE hcs
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function SetColorSpace(
    hdc As IntPtr,   ' HDC
    hcs As IntPtr   ' HCOLORSPACE
) As IntPtr
End Function

' hdc : HDC
' hcs : HCOLORSPACE
Declare PtrSafe Function SetColorSpace Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByVal hcs 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

SetColorSpace = ctypes.windll.gdi32.SetColorSpace
SetColorSpace.restype = ctypes.c_void_p
SetColorSpace.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    wintypes.HANDLE,  # hcs : HCOLORSPACE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
SetColorSpace = Fiddle::Function.new(
  lib['SetColorSpace'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_VOIDP,  # hcs : HCOLORSPACE
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "gdi32")]
extern "system" {
    fn SetColorSpace(
        hdc: *mut core::ffi::c_void,  // HDC
        hcs: *mut core::ffi::c_void  // HCOLORSPACE
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll")]
public static extern IntPtr SetColorSpace(IntPtr hdc, IntPtr hcs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_SetColorSpace' -Namespace Win32 -PassThru
# $api::SetColorSpace(hdc, hcs)

#uselib "GDI32.dll"
#func global SetColorSpace "SetColorSpace" sptr, sptr
; SetColorSpace hdc, hcs   ; 戻り値は stat
; hdc : HDC -> "sptr"
; hcs : HCOLORSPACE -> "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 "GDI32.dll"
#cfunc global SetColorSpace "SetColorSpace" sptr, sptr
; res = SetColorSpace(hdc, hcs)
; hdc : HDC -> "sptr"
; hcs : HCOLORSPACE -> "sptr"

; HCOLORSPACE SetColorSpace(HDC hdc, HCOLORSPACE hcs)
#uselib "GDI32.dll"
#cfunc global SetColorSpace "SetColorSpace" intptr, intptr
; res = SetColorSpace(hdc, hcs)
; hdc : HDC -> "intptr"
; hcs : HCOLORSPACE -> "intptr"

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procSetColorSpace = gdi32.NewProc("SetColorSpace")
)

// hdc (HDC), hcs (HCOLORSPACE)
r1, _, err := procSetColorSpace.Call(
	uintptr(hdc),
	uintptr(hcs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HCOLORSPACE

function SetColorSpace(
  hdc: THandle;   // HDC
  hcs: THandle   // HCOLORSPACE
): THandle; stdcall;
  external 'GDI32.dll' name 'SetColorSpace';

result := DllCall("GDI32\SetColorSpace"
    , "Ptr", hdc   ; HDC
    , "Ptr", hcs   ; HCOLORSPACE
    , "Ptr")   ; return: HCOLORSPACE

●SetColorSpace(hdc, hcs) = DLL("GDI32.dll", "void* SetColorSpace(void*, void*)")
# 呼び出し: SetColorSpace(hdc, hcs)
# hdc : HDC -> "void*"
# hcs : HCOLORSPACE -> "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)。