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TdhOpenDecodingHandle

関数

イベントデコード用のハンドルを開く。

DLLtdh.dll呼出規約winapi対応OSwindows8.0

シグネチャ

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

DWORD TdhOpenDecodingHandle(
    TDH_HANDLE* Handle
);

パラメーター

名前	型	方向	説明
Handle	TDH_HANDLE*	out	デコード用ハンドルを受け取るTDH_HANDLEへのポインタ。成功時に割り当てられ、後続のTdh呼び出しで使う。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD TdhOpenDecodingHandle(
    TDH_HANDLE* Handle
);

[DllImport("tdh.dll", ExactSpelling = true)]
static extern uint TdhOpenDecodingHandle(
    out IntPtr Handle   // TDH_HANDLE* out
);

<DllImport("tdh.dll", ExactSpelling:=True)>
Public Shared Function TdhOpenDecodingHandle(
    <Out> ByRef Handle As IntPtr   ' TDH_HANDLE* out
) As UInteger
End Function

' Handle : TDH_HANDLE* out
Declare PtrSafe Function TdhOpenDecodingHandle Lib "tdh" ( _
    ByRef Handle 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

TdhOpenDecodingHandle = ctypes.windll.tdh.TdhOpenDecodingHandle
TdhOpenDecodingHandle.restype = wintypes.DWORD
TdhOpenDecodingHandle.argtypes = [
    ctypes.c_void_p,  # Handle : TDH_HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('tdh.dll')
TdhOpenDecodingHandle = Fiddle::Function.new(
  lib['TdhOpenDecodingHandle'],
  [
    Fiddle::TYPE_VOIDP,  # Handle : TDH_HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "tdh")]
extern "system" {
    fn TdhOpenDecodingHandle(
        Handle: *mut isize  // TDH_HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("tdh.dll")]
public static extern uint TdhOpenDecodingHandle(out IntPtr Handle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'tdh_TdhOpenDecodingHandle' -Namespace Win32 -PassThru
# $api::TdhOpenDecodingHandle(Handle)

#uselib "tdh.dll"
#func global TdhOpenDecodingHandle "TdhOpenDecodingHandle" sptr
; TdhOpenDecodingHandle Handle   ; 戻り値は stat
; Handle : TDH_HANDLE* 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。

#uselib "tdh.dll"
#cfunc global TdhOpenDecodingHandle "TdhOpenDecodingHandle" int
; res = TdhOpenDecodingHandle(Handle)
; Handle : TDH_HANDLE* out -> "int"

; DWORD TdhOpenDecodingHandle(TDH_HANDLE* Handle)
#uselib "tdh.dll"
#cfunc global TdhOpenDecodingHandle "TdhOpenDecodingHandle" int
; res = TdhOpenDecodingHandle(Handle)
; Handle : TDH_HANDLE* out -> "int"

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

var (
	tdh = windows.NewLazySystemDLL("tdh.dll")
	procTdhOpenDecodingHandle = tdh.NewProc("TdhOpenDecodingHandle")
)

// Handle (TDH_HANDLE* out)
r1, _, err := procTdhOpenDecodingHandle.Call(
	uintptr(Handle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function TdhOpenDecodingHandle(
  Handle: Pointer   // TDH_HANDLE* out
): DWORD; stdcall;
  external 'tdh.dll' name 'TdhOpenDecodingHandle';

result := DllCall("tdh\TdhOpenDecodingHandle"
    , "Ptr", Handle   ; TDH_HANDLE* out
    , "UInt")   ; return: DWORD

●TdhOpenDecodingHandle(Handle) = DLL("tdh.dll", "dword TdhOpenDecodingHandle(void*)")
# 呼び出し: TdhOpenDecodingHandle(Handle)
# Handle : TDH_HANDLE* 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)。