ホーム › Media.KernelStreaming › KsSynchronousDeviceControl

KsSynchronousDeviceControl

関数

KSデバイスへ同期的にIOコントロールを送信する。

DLLksproxy.ax呼出規約winapi

シグネチャ

// ksproxy.ax
#include <windows.h>

HRESULT KsSynchronousDeviceControl(
    HANDLE Handle,
    DWORD IoControl,
    void* InBuffer,   // optional
    DWORD InLength,
    void* OutBuffer,   // optional
    DWORD OutLength,
    DWORD* BytesReturned   // optional
);

パラメーター

名前	型	方向
Handle	HANDLE	in
IoControl	DWORD	in
InBuffer	void*	inoptional
InLength	DWORD	in
OutBuffer	void*	outoptional
OutLength	DWORD	in
BytesReturned	DWORD*	inoutoptional

戻り値の型: HRESULT

各言語での呼び出し定義

// ksproxy.ax
#include <windows.h>

HRESULT KsSynchronousDeviceControl(
    HANDLE Handle,
    DWORD IoControl,
    void* InBuffer,   // optional
    DWORD InLength,
    void* OutBuffer,   // optional
    DWORD OutLength,
    DWORD* BytesReturned   // optional
);

[DllImport("ksproxy.ax", ExactSpelling = true)]
static extern int KsSynchronousDeviceControl(
    IntPtr Handle,   // HANDLE
    uint IoControl,   // DWORD
    IntPtr InBuffer,   // void* optional
    uint InLength,   // DWORD
    IntPtr OutBuffer,   // void* optional, out
    uint OutLength,   // DWORD
    IntPtr BytesReturned   // DWORD* optional, in/out
);

<DllImport("ksproxy.ax", ExactSpelling:=True)>
Public Shared Function KsSynchronousDeviceControl(
    Handle As IntPtr,   ' HANDLE
    IoControl As UInteger,   ' DWORD
    InBuffer As IntPtr,   ' void* optional
    InLength As UInteger,   ' DWORD
    OutBuffer As IntPtr,   ' void* optional, out
    OutLength As UInteger,   ' DWORD
    BytesReturned As IntPtr   ' DWORD* optional, in/out
) As Integer
End Function

' Handle : HANDLE
' IoControl : DWORD
' InBuffer : void* optional
' InLength : DWORD
' OutBuffer : void* optional, out
' OutLength : DWORD
' BytesReturned : DWORD* optional, in/out
Declare PtrSafe Function KsSynchronousDeviceControl Lib "ksproxy.ax" ( _
    ByVal Handle As LongPtr, _
    ByVal IoControl As Long, _
    ByVal InBuffer As LongPtr, _
    ByVal InLength As Long, _
    ByVal OutBuffer As LongPtr, _
    ByVal OutLength As Long, _
    ByVal BytesReturned 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

KsSynchronousDeviceControl = ctypes.windll.LoadLibrary("ksproxy.ax").KsSynchronousDeviceControl
KsSynchronousDeviceControl.restype = ctypes.c_int
KsSynchronousDeviceControl.argtypes = [
    wintypes.HANDLE,  # Handle : HANDLE
    wintypes.DWORD,  # IoControl : DWORD
    ctypes.POINTER(None),  # InBuffer : void* optional
    wintypes.DWORD,  # InLength : DWORD
    ctypes.POINTER(None),  # OutBuffer : void* optional, out
    wintypes.DWORD,  # OutLength : DWORD
    ctypes.POINTER(wintypes.DWORD),  # BytesReturned : DWORD* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ksproxy.ax')
KsSynchronousDeviceControl = Fiddle::Function.new(
  lib['KsSynchronousDeviceControl'],
  [
    Fiddle::TYPE_VOIDP,  # Handle : HANDLE
    -Fiddle::TYPE_INT,  # IoControl : DWORD
    Fiddle::TYPE_VOIDP,  # InBuffer : void* optional
    -Fiddle::TYPE_INT,  # InLength : DWORD
    Fiddle::TYPE_VOIDP,  # OutBuffer : void* optional, out
    -Fiddle::TYPE_INT,  # OutLength : DWORD
    Fiddle::TYPE_VOIDP,  # BytesReturned : DWORD* optional, in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ksproxy.ax")]
extern "system" {
    fn KsSynchronousDeviceControl(
        Handle: *mut core::ffi::c_void,  // HANDLE
        IoControl: u32,  // DWORD
        InBuffer: *mut (),  // void* optional
        InLength: u32,  // DWORD
        OutBuffer: *mut (),  // void* optional, out
        OutLength: u32,  // DWORD
        BytesReturned: *mut u32  // DWORD* optional, in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ksproxy.ax")]
public static extern int KsSynchronousDeviceControl(IntPtr Handle, uint IoControl, IntPtr InBuffer, uint InLength, IntPtr OutBuffer, uint OutLength, IntPtr BytesReturned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ksproxy.ax_KsSynchronousDeviceControl' -Namespace Win32 -PassThru
# $api::KsSynchronousDeviceControl(Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, BytesReturned)

#uselib "ksproxy.ax"
#func global KsSynchronousDeviceControl "KsSynchronousDeviceControl" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; KsSynchronousDeviceControl Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, varptr(BytesReturned)   ; 戻り値は stat
; Handle : HANDLE -> "sptr"
; IoControl : DWORD -> "sptr"
; InBuffer : void* optional -> "sptr"
; InLength : DWORD -> "sptr"
; OutBuffer : void* optional, out -> "sptr"
; OutLength : DWORD -> "sptr"
; BytesReturned : DWORD* optional, 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 "ksproxy.ax"
#cfunc global KsSynchronousDeviceControl "KsSynchronousDeviceControl" sptr, int, sptr, int, sptr, int, var
; res = KsSynchronousDeviceControl(Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, BytesReturned)
; Handle : HANDLE -> "sptr"
; IoControl : DWORD -> "int"
; InBuffer : void* optional -> "sptr"
; InLength : DWORD -> "int"
; OutBuffer : void* optional, out -> "sptr"
; OutLength : DWORD -> "int"
; BytesReturned : DWORD* optional, 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 "ksproxy.ax"
#cfunc global KsSynchronousDeviceControl "KsSynchronousDeviceControl" sptr, int, sptr, int, sptr, int, sptr
; res = KsSynchronousDeviceControl(Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, varptr(BytesReturned))
; Handle : HANDLE -> "sptr"
; IoControl : DWORD -> "int"
; InBuffer : void* optional -> "sptr"
; InLength : DWORD -> "int"
; OutBuffer : void* optional, out -> "sptr"
; OutLength : DWORD -> "int"
; BytesReturned : DWORD* optional, 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:

; HRESULT KsSynchronousDeviceControl(HANDLE Handle, DWORD IoControl, void* InBuffer, DWORD InLength, void* OutBuffer, DWORD OutLength, DWORD* BytesReturned)
#uselib "ksproxy.ax"
#cfunc global KsSynchronousDeviceControl "KsSynchronousDeviceControl" intptr, int, intptr, int, intptr, int, var
; res = KsSynchronousDeviceControl(Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, BytesReturned)
; Handle : HANDLE -> "intptr"
; IoControl : DWORD -> "int"
; InBuffer : void* optional -> "intptr"
; InLength : DWORD -> "int"
; OutBuffer : void* optional, out -> "intptr"
; OutLength : DWORD -> "int"
; BytesReturned : DWORD* optional, 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。; HRESULT KsSynchronousDeviceControl(HANDLE Handle, DWORD IoControl, void* InBuffer, DWORD InLength, void* OutBuffer, DWORD OutLength, DWORD* BytesReturned)
#uselib "ksproxy.ax"
#cfunc global KsSynchronousDeviceControl "KsSynchronousDeviceControl" intptr, int, intptr, int, intptr, int, intptr
; res = KsSynchronousDeviceControl(Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, varptr(BytesReturned))
; Handle : HANDLE -> "intptr"
; IoControl : DWORD -> "int"
; InBuffer : void* optional -> "intptr"
; InLength : DWORD -> "int"
; OutBuffer : void* optional, out -> "intptr"
; OutLength : DWORD -> "int"
; BytesReturned : DWORD* optional, 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 (
	ksproxy_ax = windows.NewLazySystemDLL("ksproxy.ax")
	procKsSynchronousDeviceControl = ksproxy_ax.NewProc("KsSynchronousDeviceControl")
)

// Handle (HANDLE), IoControl (DWORD), InBuffer (void* optional), InLength (DWORD), OutBuffer (void* optional, out), OutLength (DWORD), BytesReturned (DWORD* optional, in/out)
r1, _, err := procKsSynchronousDeviceControl.Call(
	uintptr(Handle),
	uintptr(IoControl),
	uintptr(InBuffer),
	uintptr(InLength),
	uintptr(OutBuffer),
	uintptr(OutLength),
	uintptr(BytesReturned),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function KsSynchronousDeviceControl(
  Handle: THandle;   // HANDLE
  IoControl: DWORD;   // DWORD
  InBuffer: Pointer;   // void* optional
  InLength: DWORD;   // DWORD
  OutBuffer: Pointer;   // void* optional, out
  OutLength: DWORD;   // DWORD
  BytesReturned: Pointer   // DWORD* optional, in/out
): Integer; stdcall;
  external 'ksproxy.ax' name 'KsSynchronousDeviceControl';

result := DllCall("ksproxy.ax\KsSynchronousDeviceControl"
    , "Ptr", Handle   ; HANDLE
    , "UInt", IoControl   ; DWORD
    , "Ptr", InBuffer   ; void* optional
    , "UInt", InLength   ; DWORD
    , "Ptr", OutBuffer   ; void* optional, out
    , "UInt", OutLength   ; DWORD
    , "Ptr", BytesReturned   ; DWORD* optional, in/out
    , "Int")   ; return: HRESULT

●KsSynchronousDeviceControl(Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, BytesReturned) = DLL("ksproxy.ax", "int KsSynchronousDeviceControl(void*, dword, void*, dword, void*, dword, void*)")
# 呼び出し: KsSynchronousDeviceControl(Handle, IoControl, InBuffer, InLength, OutBuffer, OutLength, BytesReturned)
# Handle : HANDLE -> "void*"
# IoControl : DWORD -> "dword"
# InBuffer : void* optional -> "void*"
# InLength : DWORD -> "dword"
# OutBuffer : void* optional, out -> "void*"
# OutLength : DWORD -> "dword"
# BytesReturned : DWORD* optional, 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)。