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TdhGetDecodingParameter

関数

デコードハンドルからコンテキストパラメーターを取得する。

DLLtdh.dll呼出規約winapi対応OSwindows8.0

シグネチャ

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

DWORD TdhGetDecodingParameter(
    TDH_HANDLE Handle,
    TDH_CONTEXT* TdhContext
);

パラメーター

名前	型	方向	説明
Handle	TDH_HANDLE	in	TdhOpenDecodingHandleで取得したデコードハンドル。取得対象を指す。
TdhContext	TDH_CONTEXT*	inout	現在のデコードパラメータを受け取るTDH_CONTEXT構造体へのポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD TdhGetDecodingParameter(
    TDH_HANDLE Handle,
    TDH_CONTEXT* TdhContext
);

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

<DllImport("tdh.dll", ExactSpelling:=True)>
Public Shared Function TdhGetDecodingParameter(
    Handle As IntPtr,   ' TDH_HANDLE
    TdhContext As IntPtr   ' TDH_CONTEXT* in/out
) As UInteger
End Function

' Handle : TDH_HANDLE
' TdhContext : TDH_CONTEXT* in/out
Declare PtrSafe Function TdhGetDecodingParameter Lib "tdh" ( _
    ByVal Handle As LongPtr, _
    ByVal TdhContext 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

TdhGetDecodingParameter = ctypes.windll.tdh.TdhGetDecodingParameter
TdhGetDecodingParameter.restype = wintypes.DWORD
TdhGetDecodingParameter.argtypes = [
    ctypes.c_ssize_t,  # Handle : TDH_HANDLE
    ctypes.c_void_p,  # TdhContext : TDH_CONTEXT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('tdh.dll')
TdhGetDecodingParameter = Fiddle::Function.new(
  lib['TdhGetDecodingParameter'],
  [
    Fiddle::TYPE_INTPTR_T,  # Handle : TDH_HANDLE
    Fiddle::TYPE_VOIDP,  # TdhContext : TDH_CONTEXT* in/out
  ],
  -Fiddle::TYPE_INT)

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

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

#uselib "tdh.dll"
#func global TdhGetDecodingParameter "TdhGetDecodingParameter" sptr, sptr
; TdhGetDecodingParameter Handle, varptr(TdhContext)   ; 戻り値は stat
; Handle : TDH_HANDLE -> "sptr"
; TdhContext : TDH_CONTEXT* in/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。

出力引数:

#uselib "tdh.dll"
#cfunc global TdhGetDecodingParameter "TdhGetDecodingParameter" sptr, var
; res = TdhGetDecodingParameter(Handle, TdhContext)
; Handle : TDH_HANDLE -> "sptr"
; TdhContext : TDH_CONTEXT* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "tdh.dll"
#cfunc global TdhGetDecodingParameter "TdhGetDecodingParameter" sptr, sptr
; res = TdhGetDecodingParameter(Handle, varptr(TdhContext))
; Handle : TDH_HANDLE -> "sptr"
; TdhContext : TDH_CONTEXT* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD TdhGetDecodingParameter(TDH_HANDLE Handle, TDH_CONTEXT* TdhContext)
#uselib "tdh.dll"
#cfunc global TdhGetDecodingParameter "TdhGetDecodingParameter" intptr, var
; res = TdhGetDecodingParameter(Handle, TdhContext)
; Handle : TDH_HANDLE -> "intptr"
; TdhContext : TDH_CONTEXT* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; DWORD TdhGetDecodingParameter(TDH_HANDLE Handle, TDH_CONTEXT* TdhContext)
#uselib "tdh.dll"
#cfunc global TdhGetDecodingParameter "TdhGetDecodingParameter" intptr, intptr
; res = TdhGetDecodingParameter(Handle, varptr(TdhContext))
; Handle : TDH_HANDLE -> "intptr"
; TdhContext : TDH_CONTEXT* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	tdh = windows.NewLazySystemDLL("tdh.dll")
	procTdhGetDecodingParameter = tdh.NewProc("TdhGetDecodingParameter")
)

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

function TdhGetDecodingParameter(
  Handle: NativeInt;   // TDH_HANDLE
  TdhContext: Pointer   // TDH_CONTEXT* in/out
): DWORD; stdcall;
  external 'tdh.dll' name 'TdhGetDecodingParameter';

result := DllCall("tdh\TdhGetDecodingParameter"
    , "Ptr", Handle   ; TDH_HANDLE
    , "Ptr", TdhContext   ; TDH_CONTEXT* in/out
    , "UInt")   ; return: DWORD

●TdhGetDecodingParameter(Handle, TdhContext) = DLL("tdh.dll", "dword TdhGetDecodingParameter(int, void*)")
# 呼び出し: TdhGetDecodingParameter(Handle, TdhContext)
# Handle : TDH_HANDLE -> "int"
# TdhContext : TDH_CONTEXT* in/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)。