GdiResetDCEMF

関数

EMFスプールのデバイスコンテキストをDEVMODEで再設定する。

DLLGDI32.dll呼出規約winapi

シグネチャ

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

BOOL GdiResetDCEMF(
    HANDLE SpoolFileHandle,
    DEVMODEW* pCurrDM
);

パラメーター

名前	型	方向
SpoolFileHandle	HANDLE	in
pCurrDM	DEVMODEW*	inout

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GdiResetDCEMF(
    HANDLE SpoolFileHandle,
    DEVMODEW* pCurrDM
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", ExactSpelling = true)]
static extern bool GdiResetDCEMF(
    IntPtr SpoolFileHandle,   // HANDLE
    IntPtr pCurrDM   // DEVMODEW* in/out
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function GdiResetDCEMF(
    SpoolFileHandle As IntPtr,   ' HANDLE
    pCurrDM As IntPtr   ' DEVMODEW* in/out
) As Boolean
End Function

' SpoolFileHandle : HANDLE
' pCurrDM : DEVMODEW* in/out
Declare PtrSafe Function GdiResetDCEMF Lib "gdi32" ( _
    ByVal SpoolFileHandle As LongPtr, _
    ByVal pCurrDM As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdiResetDCEMF = ctypes.windll.gdi32.GdiResetDCEMF
GdiResetDCEMF.restype = wintypes.BOOL
GdiResetDCEMF.argtypes = [
    wintypes.HANDLE,  # SpoolFileHandle : HANDLE
    ctypes.c_void_p,  # pCurrDM : DEVMODEW* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GdiResetDCEMF = Fiddle::Function.new(
  lib['GdiResetDCEMF'],
  [
    Fiddle::TYPE_VOIDP,  # SpoolFileHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # pCurrDM : DEVMODEW* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn GdiResetDCEMF(
        SpoolFileHandle: *mut core::ffi::c_void,  // HANDLE
        pCurrDM: *mut DEVMODEW  // DEVMODEW* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool GdiResetDCEMF(IntPtr SpoolFileHandle, IntPtr pCurrDM);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GdiResetDCEMF' -Namespace Win32 -PassThru
# $api::GdiResetDCEMF(SpoolFileHandle, pCurrDM)

#uselib "GDI32.dll"
#func global GdiResetDCEMF "GdiResetDCEMF" sptr, sptr
; GdiResetDCEMF SpoolFileHandle, varptr(pCurrDM)   ; 戻り値は stat
; SpoolFileHandle : HANDLE -> "sptr"
; pCurrDM : DEVMODEW* 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。

出力引数:

#uselib "GDI32.dll"
#cfunc global GdiResetDCEMF "GdiResetDCEMF" sptr, var
; res = GdiResetDCEMF(SpoolFileHandle, pCurrDM)
; SpoolFileHandle : HANDLE -> "sptr"
; pCurrDM : DEVMODEW* in/out -> "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。#uselib "GDI32.dll"
#cfunc global GdiResetDCEMF "GdiResetDCEMF" sptr, sptr
; res = GdiResetDCEMF(SpoolFileHandle, varptr(pCurrDM))
; SpoolFileHandle : HANDLE -> "sptr"
; pCurrDM : DEVMODEW* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL GdiResetDCEMF(HANDLE SpoolFileHandle, DEVMODEW* pCurrDM)
#uselib "GDI32.dll"
#cfunc global GdiResetDCEMF "GdiResetDCEMF" intptr, var
; res = GdiResetDCEMF(SpoolFileHandle, pCurrDM)
; SpoolFileHandle : HANDLE -> "intptr"
; pCurrDM : DEVMODEW* in/out -> "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。; BOOL GdiResetDCEMF(HANDLE SpoolFileHandle, DEVMODEW* pCurrDM)
#uselib "GDI32.dll"
#cfunc global GdiResetDCEMF "GdiResetDCEMF" intptr, intptr
; res = GdiResetDCEMF(SpoolFileHandle, varptr(pCurrDM))
; SpoolFileHandle : HANDLE -> "intptr"
; pCurrDM : DEVMODEW* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGdiResetDCEMF = gdi32.NewProc("GdiResetDCEMF")
)

// SpoolFileHandle (HANDLE), pCurrDM (DEVMODEW* in/out)
r1, _, err := procGdiResetDCEMF.Call(
	uintptr(SpoolFileHandle),
	uintptr(pCurrDM),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GdiResetDCEMF(
  SpoolFileHandle: THandle;   // HANDLE
  pCurrDM: Pointer   // DEVMODEW* in/out
): BOOL; stdcall;
  external 'GDI32.dll' name 'GdiResetDCEMF';

result := DllCall("GDI32\GdiResetDCEMF"
    , "Ptr", SpoolFileHandle   ; HANDLE
    , "Ptr", pCurrDM   ; DEVMODEW* in/out
    , "Int")   ; return: BOOL

●GdiResetDCEMF(SpoolFileHandle, pCurrDM) = DLL("GDI32.dll", "bool GdiResetDCEMF(void*, void*)")
# 呼び出し: GdiResetDCEMF(SpoolFileHandle, pCurrDM)
# SpoolFileHandle : HANDLE -> "void*"
# pCurrDM : DEVMODEW* 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)。