GetMetaFileA

関数

指定したファイルからメタファイルを取得する。

DLLGDI32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// GDI32.dll  (ANSI / -A)
#include <windows.h>

HMETAFILE GetMetaFileA(
    LPCSTR lpName
);

パラメーター

名前	型	方向
lpName	LPCSTR	in

戻り値の型: HMETAFILE

各言語での呼び出し定義

// GDI32.dll  (ANSI / -A)
#include <windows.h>

HMETAFILE GetMetaFileA(
    LPCSTR lpName
);

[DllImport("GDI32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern IntPtr GetMetaFileA(
    [MarshalAs(UnmanagedType.LPStr)] string lpName   // LPCSTR
);

<DllImport("GDI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function GetMetaFileA(
    <MarshalAs(UnmanagedType.LPStr)> lpName As String   ' LPCSTR
) As IntPtr
End Function

' lpName : LPCSTR
Declare PtrSafe Function GetMetaFileA Lib "gdi32" ( _
    ByVal lpName As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetMetaFileA = ctypes.windll.gdi32.GetMetaFileA
GetMetaFileA.restype = ctypes.c_void_p
GetMetaFileA.argtypes = [
    wintypes.LPCSTR,  # lpName : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GetMetaFileA = Fiddle::Function.new(
  lib['GetMetaFileA'],
  [
    Fiddle::TYPE_VOIDP,  # lpName : LPCSTR
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "gdi32")]
extern "system" {
    fn GetMetaFileA(
        lpName: *const u8  // LPCSTR
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll", CharSet = CharSet.Ansi)]
public static extern IntPtr GetMetaFileA([MarshalAs(UnmanagedType.LPStr)] string lpName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GetMetaFileA' -Namespace Win32 -PassThru
# $api::GetMetaFileA(lpName)

#uselib "GDI32.dll"
#func global GetMetaFileA "GetMetaFileA" sptr
; GetMetaFileA lpName   ; 戻り値は stat
; lpName : LPCSTR -> "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 GetMetaFileA "GetMetaFileA" str
; res = GetMetaFileA(lpName)
; lpName : LPCSTR -> "str"

; HMETAFILE GetMetaFileA(LPCSTR lpName)
#uselib "GDI32.dll"
#cfunc global GetMetaFileA "GetMetaFileA" str
; res = GetMetaFileA(lpName)
; lpName : LPCSTR -> "str"

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGetMetaFileA = gdi32.NewProc("GetMetaFileA")
)

// lpName (LPCSTR)
r1, _, err := procGetMetaFileA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HMETAFILE

function GetMetaFileA(
  lpName: PAnsiChar   // LPCSTR
): THandle; stdcall;
  external 'GDI32.dll' name 'GetMetaFileA';

result := DllCall("GDI32\GetMetaFileA"
    , "AStr", lpName   ; LPCSTR
    , "Ptr")   ; return: HMETAFILE

●GetMetaFileA(lpName) = DLL("GDI32.dll", "void* GetMetaFileA(char*)")
# 呼び出し: GetMetaFileA(lpName)
# lpName : LPCSTR -> "char*"
# 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)。