ホーム › UI.Controls › GetBufferedPaintTargetDC

GetBufferedPaintTargetDC

関数

バッファ描画の対象デバイスコンテキストを取得する。

DLLUxTheme.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

HDC GetBufferedPaintTargetDC(
    INT_PTR hBufferedPaint
);

パラメーター

名前	型	方向
hBufferedPaint	INT_PTR	in

戻り値の型: HDC

各言語での呼び出し定義

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

HDC GetBufferedPaintTargetDC(
    INT_PTR hBufferedPaint
);

[DllImport("UxTheme.dll", ExactSpelling = true)]
static extern IntPtr GetBufferedPaintTargetDC(
    IntPtr hBufferedPaint   // INT_PTR
);

<DllImport("UxTheme.dll", ExactSpelling:=True)>
Public Shared Function GetBufferedPaintTargetDC(
    hBufferedPaint As IntPtr   ' INT_PTR
) As IntPtr
End Function

' hBufferedPaint : INT_PTR
Declare PtrSafe Function GetBufferedPaintTargetDC Lib "uxtheme" ( _
    ByVal hBufferedPaint 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

GetBufferedPaintTargetDC = ctypes.windll.uxtheme.GetBufferedPaintTargetDC
GetBufferedPaintTargetDC.restype = ctypes.c_void_p
GetBufferedPaintTargetDC.argtypes = [
    ctypes.c_ssize_t,  # hBufferedPaint : INT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('UxTheme.dll')
GetBufferedPaintTargetDC = Fiddle::Function.new(
  lib['GetBufferedPaintTargetDC'],
  [
    Fiddle::TYPE_INTPTR_T,  # hBufferedPaint : INT_PTR
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "uxtheme")]
extern "system" {
    fn GetBufferedPaintTargetDC(
        hBufferedPaint: isize  // INT_PTR
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("UxTheme.dll")]
public static extern IntPtr GetBufferedPaintTargetDC(IntPtr hBufferedPaint);
"@
$api = Add-Type -MemberDefinition $sig -Name 'UxTheme_GetBufferedPaintTargetDC' -Namespace Win32 -PassThru
# $api::GetBufferedPaintTargetDC(hBufferedPaint)

#uselib "UxTheme.dll"
#func global GetBufferedPaintTargetDC "GetBufferedPaintTargetDC" sptr
; GetBufferedPaintTargetDC hBufferedPaint   ; 戻り値は stat
; hBufferedPaint : INT_PTR -> "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 "UxTheme.dll"
#cfunc global GetBufferedPaintTargetDC "GetBufferedPaintTargetDC" sptr
; res = GetBufferedPaintTargetDC(hBufferedPaint)
; hBufferedPaint : INT_PTR -> "sptr"

; HDC GetBufferedPaintTargetDC(INT_PTR hBufferedPaint)
#uselib "UxTheme.dll"
#cfunc global GetBufferedPaintTargetDC "GetBufferedPaintTargetDC" intptr
; res = GetBufferedPaintTargetDC(hBufferedPaint)
; hBufferedPaint : INT_PTR -> "intptr"

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

var (
	uxtheme = windows.NewLazySystemDLL("UxTheme.dll")
	procGetBufferedPaintTargetDC = uxtheme.NewProc("GetBufferedPaintTargetDC")
)

// hBufferedPaint (INT_PTR)
r1, _, err := procGetBufferedPaintTargetDC.Call(
	uintptr(hBufferedPaint),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HDC

function GetBufferedPaintTargetDC(
  hBufferedPaint: NativeInt   // INT_PTR
): THandle; stdcall;
  external 'UxTheme.dll' name 'GetBufferedPaintTargetDC';

result := DllCall("UxTheme\GetBufferedPaintTargetDC"
    , "Ptr", hBufferedPaint   ; INT_PTR
    , "Ptr")   ; return: HDC

●GetBufferedPaintTargetDC(hBufferedPaint) = DLL("UxTheme.dll", "void* GetBufferedPaintTargetDC(int)")
# 呼び出し: GetBufferedPaintTargetDC(hBufferedPaint)
# hBufferedPaint : INT_PTR -> "int"
# 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)。