ホーム › System.Threading › AvSetMmThreadCharacteristicsW
AvSetMmThreadCharacteristicsW
関数マルチメディア処理向けにスレッド特性を登録する(Unicode版)。
シグネチャ
// AVRT.dll (Unicode / -W)
#include <windows.h>
AVRT_TASK_HANDLE AvSetMmThreadCharacteristicsW(
LPCWSTR TaskName,
DWORD* TaskIndex
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| TaskName | LPCWSTR | in |
| TaskIndex | DWORD* | inout |
戻り値の型: AVRT_TASK_HANDLE
各言語での呼び出し定義
// AVRT.dll (Unicode / -W)
#include <windows.h>
AVRT_TASK_HANDLE AvSetMmThreadCharacteristicsW(
LPCWSTR TaskName,
DWORD* TaskIndex
);[DllImport("AVRT.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern AVRT_TASK_HANDLE AvSetMmThreadCharacteristicsW(
[MarshalAs(UnmanagedType.LPWStr)] string TaskName, // LPCWSTR
ref uint TaskIndex // DWORD* in/out
);<DllImport("AVRT.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function AvSetMmThreadCharacteristicsW(
<MarshalAs(UnmanagedType.LPWStr)> TaskName As String, ' LPCWSTR
ByRef TaskIndex As UInteger ' DWORD* in/out
) As AVRT_TASK_HANDLE
End Function' TaskName : LPCWSTR
' TaskIndex : DWORD* in/out
Declare PtrSafe Function AvSetMmThreadCharacteristicsW Lib "avrt" ( _
ByVal TaskName As LongPtr, _
ByRef TaskIndex As Long) As LongPtr
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
AvSetMmThreadCharacteristicsW = ctypes.windll.avrt.AvSetMmThreadCharacteristicsW
AvSetMmThreadCharacteristicsW.restype = ctypes.c_void_p
AvSetMmThreadCharacteristicsW.argtypes = [
wintypes.LPCWSTR, # TaskName : LPCWSTR
ctypes.POINTER(wintypes.DWORD), # TaskIndex : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('AVRT.dll')
AvSetMmThreadCharacteristicsW = Fiddle::Function.new(
lib['AvSetMmThreadCharacteristicsW'],
[
Fiddle::TYPE_VOIDP, # TaskName : LPCWSTR
Fiddle::TYPE_VOIDP, # TaskIndex : DWORD* in/out
],
Fiddle::TYPE_VOIDP)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "avrt")]
extern "system" {
fn AvSetMmThreadCharacteristicsW(
TaskName: *const u16, // LPCWSTR
TaskIndex: *mut u32 // DWORD* in/out
) -> AVRT_TASK_HANDLE;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("AVRT.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern AVRT_TASK_HANDLE AvSetMmThreadCharacteristicsW([MarshalAs(UnmanagedType.LPWStr)] string TaskName, ref uint TaskIndex);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVRT_AvSetMmThreadCharacteristicsW' -Namespace Win32 -PassThru
# $api::AvSetMmThreadCharacteristicsW(TaskName, TaskIndex)#uselib "AVRT.dll"
#func global AvSetMmThreadCharacteristicsW "AvSetMmThreadCharacteristicsW" wptr, wptr
; AvSetMmThreadCharacteristicsW TaskName, varptr(TaskIndex) ; 戻り値は stat
; TaskName : LPCWSTR -> "wptr"
; TaskIndex : DWORD* in/out -> "wptr"
; ※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 "AVRT.dll" #cfunc global AvSetMmThreadCharacteristicsW "AvSetMmThreadCharacteristicsW" wstr, var ; res = AvSetMmThreadCharacteristicsW(TaskName, TaskIndex) ; TaskName : LPCWSTR -> "wstr" ; TaskIndex : DWORD* 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 "AVRT.dll" #cfunc global AvSetMmThreadCharacteristicsW "AvSetMmThreadCharacteristicsW" wstr, sptr ; res = AvSetMmThreadCharacteristicsW(TaskName, varptr(TaskIndex)) ; TaskName : LPCWSTR -> "wstr" ; TaskIndex : DWORD* 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:
; AVRT_TASK_HANDLE AvSetMmThreadCharacteristicsW(LPCWSTR TaskName, DWORD* TaskIndex) #uselib "AVRT.dll" #cfunc global AvSetMmThreadCharacteristicsW "AvSetMmThreadCharacteristicsW" wstr, var ; res = AvSetMmThreadCharacteristicsW(TaskName, TaskIndex) ; TaskName : LPCWSTR -> "wstr" ; TaskIndex : DWORD* 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。; AVRT_TASK_HANDLE AvSetMmThreadCharacteristicsW(LPCWSTR TaskName, DWORD* TaskIndex) #uselib "AVRT.dll" #cfunc global AvSetMmThreadCharacteristicsW "AvSetMmThreadCharacteristicsW" wstr, intptr ; res = AvSetMmThreadCharacteristicsW(TaskName, varptr(TaskIndex)) ; TaskName : LPCWSTR -> "wstr" ; TaskIndex : DWORD* 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 (
avrt = windows.NewLazySystemDLL("AVRT.dll")
procAvSetMmThreadCharacteristicsW = avrt.NewProc("AvSetMmThreadCharacteristicsW")
)
// TaskName (LPCWSTR), TaskIndex (DWORD* in/out)
r1, _, err := procAvSetMmThreadCharacteristicsW.Call(
uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(TaskName))),
uintptr(TaskIndex),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // AVRT_TASK_HANDLEfunction AvSetMmThreadCharacteristicsW(
TaskName: PWideChar; // LPCWSTR
TaskIndex: Pointer // DWORD* in/out
): AVRT_TASK_HANDLE; stdcall;
external 'AVRT.dll' name 'AvSetMmThreadCharacteristicsW';result := DllCall("AVRT\AvSetMmThreadCharacteristicsW"
, "WStr", TaskName ; LPCWSTR
, "Ptr", TaskIndex ; DWORD* in/out
, "Ptr") ; return: AVRT_TASK_HANDLE●AvSetMmThreadCharacteristicsW(TaskName, TaskIndex) = DLL("AVRT.dll", "void* AvSetMmThreadCharacteristicsW(char*, void*)")
# 呼び出し: AvSetMmThreadCharacteristicsW(TaskName, TaskIndex)
# TaskName : LPCWSTR -> "char*"
# TaskIndex : DWORD* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。