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GetCurrentObject
関数DCで現在選択中のGDIオブジェクトを取得する。
シグネチャ
// GDI32.dll
#include <windows.h>
HGDIOBJ GetCurrentObject(
HDC hdc,
DWORD type
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hdc | HDC | in |
| type | DWORD | in |
戻り値の型: HGDIOBJ
各言語での呼び出し定義
// GDI32.dll
#include <windows.h>
HGDIOBJ GetCurrentObject(
HDC hdc,
DWORD type
);[DllImport("GDI32.dll", ExactSpelling = true)]
static extern IntPtr GetCurrentObject(
IntPtr hdc, // HDC
uint type // DWORD
);<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function GetCurrentObject(
hdc As IntPtr, ' HDC
type As UInteger ' DWORD
) As IntPtr
End Function' hdc : HDC
' type : DWORD
Declare PtrSafe Function GetCurrentObject Lib "gdi32" ( _
ByVal hdc As LongPtr, _
ByVal type As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
GetCurrentObject = ctypes.windll.gdi32.GetCurrentObject
GetCurrentObject.restype = ctypes.c_void_p
GetCurrentObject.argtypes = [
wintypes.HANDLE, # hdc : HDC
wintypes.DWORD, # type : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('GDI32.dll')
GetCurrentObject = Fiddle::Function.new(
lib['GetCurrentObject'],
[
Fiddle::TYPE_VOIDP, # hdc : HDC
-Fiddle::TYPE_INT, # type : DWORD
],
Fiddle::TYPE_VOIDP)#[link(name = "gdi32")]
extern "system" {
fn GetCurrentObject(
hdc: *mut core::ffi::c_void, // HDC
type: u32 // DWORD
) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("GDI32.dll")]
public static extern IntPtr GetCurrentObject(IntPtr hdc, uint type);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GetCurrentObject' -Namespace Win32 -PassThru
# $api::GetCurrentObject(hdc, type)#uselib "GDI32.dll"
#func global GetCurrentObject "GetCurrentObject" sptr, sptr
; GetCurrentObject hdc, type ; 戻り値は stat
; hdc : HDC -> "sptr"
; type : DWORD -> "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 GetCurrentObject "GetCurrentObject" sptr, int
; res = GetCurrentObject(hdc, type)
; hdc : HDC -> "sptr"
; type : DWORD -> "int"; HGDIOBJ GetCurrentObject(HDC hdc, DWORD type)
#uselib "GDI32.dll"
#cfunc global GetCurrentObject "GetCurrentObject" intptr, int
; res = GetCurrentObject(hdc, type)
; hdc : HDC -> "intptr"
; type : DWORD -> "int"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
gdi32 = windows.NewLazySystemDLL("GDI32.dll")
procGetCurrentObject = gdi32.NewProc("GetCurrentObject")
)
// hdc (HDC), type (DWORD)
r1, _, err := procGetCurrentObject.Call(
uintptr(hdc),
uintptr(type),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HGDIOBJfunction GetCurrentObject(
hdc: THandle; // HDC
type: DWORD // DWORD
): THandle; stdcall;
external 'GDI32.dll' name 'GetCurrentObject';result := DllCall("GDI32\GetCurrentObject"
, "Ptr", hdc ; HDC
, "UInt", type ; DWORD
, "Ptr") ; return: HGDIOBJ●GetCurrentObject(hdc, type) = DLL("GDI32.dll", "void* GetCurrentObject(void*, dword)")
# 呼び出し: GetCurrentObject(hdc, type)
# hdc : HDC -> "void*"
# type : DWORD -> "dword"
# 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)。