PlayMetaFile

関数

メタファイルの記録内容をDCへ再生する。

DLLGDI32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

BOOL PlayMetaFile(
    HDC hdc,
    HMETAFILE hmf
);

パラメーター

名前	型	方向
hdc	HDC	in
hmf	HMETAFILE	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL PlayMetaFile(
    HDC hdc,
    HMETAFILE hmf
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", ExactSpelling = true)]
static extern bool PlayMetaFile(
    IntPtr hdc,   // HDC
    IntPtr hmf   // HMETAFILE
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function PlayMetaFile(
    hdc As IntPtr,   ' HDC
    hmf As IntPtr   ' HMETAFILE
) As Boolean
End Function

' hdc : HDC
' hmf : HMETAFILE
Declare PtrSafe Function PlayMetaFile Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByVal hmf 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

PlayMetaFile = ctypes.windll.gdi32.PlayMetaFile
PlayMetaFile.restype = wintypes.BOOL
PlayMetaFile.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    wintypes.HANDLE,  # hmf : HMETAFILE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
PlayMetaFile = Fiddle::Function.new(
  lib['PlayMetaFile'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_VOIDP,  # hmf : HMETAFILE
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn PlayMetaFile(
        hdc: *mut core::ffi::c_void,  // HDC
        hmf: *mut core::ffi::c_void  // HMETAFILE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool PlayMetaFile(IntPtr hdc, IntPtr hmf);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_PlayMetaFile' -Namespace Win32 -PassThru
# $api::PlayMetaFile(hdc, hmf)

#uselib "GDI32.dll"
#func global PlayMetaFile "PlayMetaFile" sptr, sptr
; PlayMetaFile hdc, hmf   ; 戻り値は stat
; hdc : HDC -> "sptr"
; hmf : HMETAFILE -> "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 PlayMetaFile "PlayMetaFile" sptr, sptr
; res = PlayMetaFile(hdc, hmf)
; hdc : HDC -> "sptr"
; hmf : HMETAFILE -> "sptr"

; BOOL PlayMetaFile(HDC hdc, HMETAFILE hmf)
#uselib "GDI32.dll"
#cfunc global PlayMetaFile "PlayMetaFile" intptr, intptr
; res = PlayMetaFile(hdc, hmf)
; hdc : HDC -> "intptr"
; hmf : HMETAFILE -> "intptr"

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procPlayMetaFile = gdi32.NewProc("PlayMetaFile")
)

// hdc (HDC), hmf (HMETAFILE)
r1, _, err := procPlayMetaFile.Call(
	uintptr(hdc),
	uintptr(hmf),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PlayMetaFile(
  hdc: THandle;   // HDC
  hmf: THandle   // HMETAFILE
): BOOL; stdcall;
  external 'GDI32.dll' name 'PlayMetaFile';

result := DllCall("GDI32\PlayMetaFile"
    , "Ptr", hdc   ; HDC
    , "Ptr", hmf   ; HMETAFILE
    , "Int")   ; return: BOOL

●PlayMetaFile(hdc, hmf) = DLL("GDI32.dll", "bool PlayMetaFile(void*, void*)")
# 呼び出し: PlayMetaFile(hdc, hmf)
# hdc : HDC -> "void*"
# hmf : HMETAFILE -> "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)。