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DevCreateObjectQuery

関数

デバイスオブジェクトの非同期クエリを作成し結果を列挙する。

DLLapi-ms-win-devices-query-l1-1-0.dll呼出規約winapi

シグネチャ

// api-ms-win-devices-query-l1-1-0.dll
#include <windows.h>

HRESULT DevCreateObjectQuery(
    DEV_OBJECT_TYPE ObjectType,
    DWORD QueryFlags,
    DWORD cRequestedProperties,
    const DEVPROPCOMPKEY* pRequestedProperties,   // optional
    DWORD cFilterExpressionCount,
    const DEVPROP_FILTER_EXPRESSION* pFilter,   // optional
    PDEV_QUERY_RESULT_CALLBACK pCallback,
    void* pContext,   // optional
    HDEVQUERY* phDevQuery
);

パラメーター

名前	型	方向
ObjectType	DEV_OBJECT_TYPE	in
QueryFlags	DWORD	in
cRequestedProperties	DWORD	in
pRequestedProperties	DEVPROPCOMPKEY*	inoptional
cFilterExpressionCount	DWORD	in
pFilter	DEVPROP_FILTER_EXPRESSION*	inoptional
pCallback	PDEV_QUERY_RESULT_CALLBACK	in
pContext	void*	inoptional
phDevQuery	HDEVQUERY*	out

戻り値の型: HRESULT

各言語での呼び出し定義

// api-ms-win-devices-query-l1-1-0.dll
#include <windows.h>

HRESULT DevCreateObjectQuery(
    DEV_OBJECT_TYPE ObjectType,
    DWORD QueryFlags,
    DWORD cRequestedProperties,
    const DEVPROPCOMPKEY* pRequestedProperties,   // optional
    DWORD cFilterExpressionCount,
    const DEVPROP_FILTER_EXPRESSION* pFilter,   // optional
    PDEV_QUERY_RESULT_CALLBACK pCallback,
    void* pContext,   // optional
    HDEVQUERY* phDevQuery
);

[DllImport("api-ms-win-devices-query-l1-1-0.dll", ExactSpelling = true)]
static extern int DevCreateObjectQuery(
    int ObjectType,   // DEV_OBJECT_TYPE
    uint QueryFlags,   // DWORD
    uint cRequestedProperties,   // DWORD
    IntPtr pRequestedProperties,   // DEVPROPCOMPKEY* optional
    uint cFilterExpressionCount,   // DWORD
    IntPtr pFilter,   // DEVPROP_FILTER_EXPRESSION* optional
    IntPtr pCallback,   // PDEV_QUERY_RESULT_CALLBACK
    IntPtr pContext,   // void* optional
    IntPtr phDevQuery   // HDEVQUERY* out
);

<DllImport("api-ms-win-devices-query-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function DevCreateObjectQuery(
    ObjectType As Integer,   ' DEV_OBJECT_TYPE
    QueryFlags As UInteger,   ' DWORD
    cRequestedProperties As UInteger,   ' DWORD
    pRequestedProperties As IntPtr,   ' DEVPROPCOMPKEY* optional
    cFilterExpressionCount As UInteger,   ' DWORD
    pFilter As IntPtr,   ' DEVPROP_FILTER_EXPRESSION* optional
    pCallback As IntPtr,   ' PDEV_QUERY_RESULT_CALLBACK
    pContext As IntPtr,   ' void* optional
    phDevQuery As IntPtr   ' HDEVQUERY* out
) As Integer
End Function

' ObjectType : DEV_OBJECT_TYPE
' QueryFlags : DWORD
' cRequestedProperties : DWORD
' pRequestedProperties : DEVPROPCOMPKEY* optional
' cFilterExpressionCount : DWORD
' pFilter : DEVPROP_FILTER_EXPRESSION* optional
' pCallback : PDEV_QUERY_RESULT_CALLBACK
' pContext : void* optional
' phDevQuery : HDEVQUERY* out
Declare PtrSafe Function DevCreateObjectQuery Lib "api-ms-win-devices-query-l1-1-0" ( _
    ByVal ObjectType As Long, _
    ByVal QueryFlags As Long, _
    ByVal cRequestedProperties As Long, _
    ByVal pRequestedProperties As LongPtr, _
    ByVal cFilterExpressionCount As Long, _
    ByVal pFilter As LongPtr, _
    ByVal pCallback As LongPtr, _
    ByVal pContext As LongPtr, _
    ByVal phDevQuery 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

DevCreateObjectQuery = ctypes.windll.LoadLibrary("api-ms-win-devices-query-l1-1-0.dll").DevCreateObjectQuery
DevCreateObjectQuery.restype = ctypes.c_int
DevCreateObjectQuery.argtypes = [
    ctypes.c_int,  # ObjectType : DEV_OBJECT_TYPE
    wintypes.DWORD,  # QueryFlags : DWORD
    wintypes.DWORD,  # cRequestedProperties : DWORD
    ctypes.c_void_p,  # pRequestedProperties : DEVPROPCOMPKEY* optional
    wintypes.DWORD,  # cFilterExpressionCount : DWORD
    ctypes.c_void_p,  # pFilter : DEVPROP_FILTER_EXPRESSION* optional
    ctypes.c_void_p,  # pCallback : PDEV_QUERY_RESULT_CALLBACK
    ctypes.POINTER(None),  # pContext : void* optional
    ctypes.c_void_p,  # phDevQuery : HDEVQUERY* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-devices-query-l1-1-0.dll')
DevCreateObjectQuery = Fiddle::Function.new(
  lib['DevCreateObjectQuery'],
  [
    Fiddle::TYPE_INT,  # ObjectType : DEV_OBJECT_TYPE
    -Fiddle::TYPE_INT,  # QueryFlags : DWORD
    -Fiddle::TYPE_INT,  # cRequestedProperties : DWORD
    Fiddle::TYPE_VOIDP,  # pRequestedProperties : DEVPROPCOMPKEY* optional
    -Fiddle::TYPE_INT,  # cFilterExpressionCount : DWORD
    Fiddle::TYPE_VOIDP,  # pFilter : DEVPROP_FILTER_EXPRESSION* optional
    Fiddle::TYPE_VOIDP,  # pCallback : PDEV_QUERY_RESULT_CALLBACK
    Fiddle::TYPE_VOIDP,  # pContext : void* optional
    Fiddle::TYPE_VOIDP,  # phDevQuery : HDEVQUERY* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-devices-query-l1-1-0")]
extern "system" {
    fn DevCreateObjectQuery(
        ObjectType: i32,  // DEV_OBJECT_TYPE
        QueryFlags: u32,  // DWORD
        cRequestedProperties: u32,  // DWORD
        pRequestedProperties: *const DEVPROPCOMPKEY,  // DEVPROPCOMPKEY* optional
        cFilterExpressionCount: u32,  // DWORD
        pFilter: *const DEVPROP_FILTER_EXPRESSION,  // DEVPROP_FILTER_EXPRESSION* optional
        pCallback: *const core::ffi::c_void,  // PDEV_QUERY_RESULT_CALLBACK
        pContext: *mut (),  // void* optional
        phDevQuery: *mut *mut core::ffi::c_void  // HDEVQUERY* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-devices-query-l1-1-0.dll")]
public static extern int DevCreateObjectQuery(int ObjectType, uint QueryFlags, uint cRequestedProperties, IntPtr pRequestedProperties, uint cFilterExpressionCount, IntPtr pFilter, IntPtr pCallback, IntPtr pContext, IntPtr phDevQuery);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-devices-query-l1-1-0_DevCreateObjectQuery' -Namespace Win32 -PassThru
# $api::DevCreateObjectQuery(ObjectType, QueryFlags, cRequestedProperties, pRequestedProperties, cFilterExpressionCount, pFilter, pCallback, pContext, phDevQuery)

#uselib "api-ms-win-devices-query-l1-1-0.dll"
#func global DevCreateObjectQuery "DevCreateObjectQuery" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DevCreateObjectQuery ObjectType, QueryFlags, cRequestedProperties, varptr(pRequestedProperties), cFilterExpressionCount, varptr(pFilter), pCallback, pContext, phDevQuery   ; 戻り値は stat
; ObjectType : DEV_OBJECT_TYPE -> "sptr"
; QueryFlags : DWORD -> "sptr"
; cRequestedProperties : DWORD -> "sptr"
; pRequestedProperties : DEVPROPCOMPKEY* optional -> "sptr"
; cFilterExpressionCount : DWORD -> "sptr"
; pFilter : DEVPROP_FILTER_EXPRESSION* optional -> "sptr"
; pCallback : PDEV_QUERY_RESULT_CALLBACK -> "sptr"
; pContext : void* optional -> "sptr"
; phDevQuery : HDEVQUERY* 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 "api-ms-win-devices-query-l1-1-0.dll"
#cfunc global DevCreateObjectQuery "DevCreateObjectQuery" int, int, int, var, int, var, sptr, sptr, sptr
; res = DevCreateObjectQuery(ObjectType, QueryFlags, cRequestedProperties, pRequestedProperties, cFilterExpressionCount, pFilter, pCallback, pContext, phDevQuery)
; ObjectType : DEV_OBJECT_TYPE -> "int"
; QueryFlags : DWORD -> "int"
; cRequestedProperties : DWORD -> "int"
; pRequestedProperties : DEVPROPCOMPKEY* optional -> "var"
; cFilterExpressionCount : DWORD -> "int"
; pFilter : DEVPROP_FILTER_EXPRESSION* optional -> "var"
; pCallback : PDEV_QUERY_RESULT_CALLBACK -> "sptr"
; pContext : void* optional -> "sptr"
; phDevQuery : HDEVQUERY* out -> "sptr"
; ※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 "api-ms-win-devices-query-l1-1-0.dll"
#cfunc global DevCreateObjectQuery "DevCreateObjectQuery" int, int, int, sptr, int, sptr, sptr, sptr, sptr
; res = DevCreateObjectQuery(ObjectType, QueryFlags, cRequestedProperties, varptr(pRequestedProperties), cFilterExpressionCount, varptr(pFilter), pCallback, pContext, phDevQuery)
; ObjectType : DEV_OBJECT_TYPE -> "int"
; QueryFlags : DWORD -> "int"
; cRequestedProperties : DWORD -> "int"
; pRequestedProperties : DEVPROPCOMPKEY* optional -> "sptr"
; cFilterExpressionCount : DWORD -> "int"
; pFilter : DEVPROP_FILTER_EXPRESSION* optional -> "sptr"
; pCallback : PDEV_QUERY_RESULT_CALLBACK -> "sptr"
; pContext : void* optional -> "sptr"
; phDevQuery : HDEVQUERY* 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 DevCreateObjectQuery(DEV_OBJECT_TYPE ObjectType, DWORD QueryFlags, DWORD cRequestedProperties, DEVPROPCOMPKEY* pRequestedProperties, DWORD cFilterExpressionCount, DEVPROP_FILTER_EXPRESSION* pFilter, PDEV_QUERY_RESULT_CALLBACK pCallback, void* pContext, HDEVQUERY* phDevQuery)
#uselib "api-ms-win-devices-query-l1-1-0.dll"
#cfunc global DevCreateObjectQuery "DevCreateObjectQuery" int, int, int, var, int, var, intptr, intptr, intptr
; res = DevCreateObjectQuery(ObjectType, QueryFlags, cRequestedProperties, pRequestedProperties, cFilterExpressionCount, pFilter, pCallback, pContext, phDevQuery)
; ObjectType : DEV_OBJECT_TYPE -> "int"
; QueryFlags : DWORD -> "int"
; cRequestedProperties : DWORD -> "int"
; pRequestedProperties : DEVPROPCOMPKEY* optional -> "var"
; cFilterExpressionCount : DWORD -> "int"
; pFilter : DEVPROP_FILTER_EXPRESSION* optional -> "var"
; pCallback : PDEV_QUERY_RESULT_CALLBACK -> "intptr"
; pContext : void* optional -> "intptr"
; phDevQuery : HDEVQUERY* out -> "intptr"
; ※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 DevCreateObjectQuery(DEV_OBJECT_TYPE ObjectType, DWORD QueryFlags, DWORD cRequestedProperties, DEVPROPCOMPKEY* pRequestedProperties, DWORD cFilterExpressionCount, DEVPROP_FILTER_EXPRESSION* pFilter, PDEV_QUERY_RESULT_CALLBACK pCallback, void* pContext, HDEVQUERY* phDevQuery)
#uselib "api-ms-win-devices-query-l1-1-0.dll"
#cfunc global DevCreateObjectQuery "DevCreateObjectQuery" int, int, int, intptr, int, intptr, intptr, intptr, intptr
; res = DevCreateObjectQuery(ObjectType, QueryFlags, cRequestedProperties, varptr(pRequestedProperties), cFilterExpressionCount, varptr(pFilter), pCallback, pContext, phDevQuery)
; ObjectType : DEV_OBJECT_TYPE -> "int"
; QueryFlags : DWORD -> "int"
; cRequestedProperties : DWORD -> "int"
; pRequestedProperties : DEVPROPCOMPKEY* optional -> "intptr"
; cFilterExpressionCount : DWORD -> "int"
; pFilter : DEVPROP_FILTER_EXPRESSION* optional -> "intptr"
; pCallback : PDEV_QUERY_RESULT_CALLBACK -> "intptr"
; pContext : void* optional -> "intptr"
; phDevQuery : HDEVQUERY* 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 (
	api_ms_win_devices_query_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-devices-query-l1-1-0.dll")
	procDevCreateObjectQuery = api_ms_win_devices_query_l1_1_0.NewProc("DevCreateObjectQuery")
)

// ObjectType (DEV_OBJECT_TYPE), QueryFlags (DWORD), cRequestedProperties (DWORD), pRequestedProperties (DEVPROPCOMPKEY* optional), cFilterExpressionCount (DWORD), pFilter (DEVPROP_FILTER_EXPRESSION* optional), pCallback (PDEV_QUERY_RESULT_CALLBACK), pContext (void* optional), phDevQuery (HDEVQUERY* out)
r1, _, err := procDevCreateObjectQuery.Call(
	uintptr(ObjectType),
	uintptr(QueryFlags),
	uintptr(cRequestedProperties),
	uintptr(pRequestedProperties),
	uintptr(cFilterExpressionCount),
	uintptr(pFilter),
	uintptr(pCallback),
	uintptr(pContext),
	uintptr(phDevQuery),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DevCreateObjectQuery(
  ObjectType: Integer;   // DEV_OBJECT_TYPE
  QueryFlags: DWORD;   // DWORD
  cRequestedProperties: DWORD;   // DWORD
  pRequestedProperties: Pointer;   // DEVPROPCOMPKEY* optional
  cFilterExpressionCount: DWORD;   // DWORD
  pFilter: Pointer;   // DEVPROP_FILTER_EXPRESSION* optional
  pCallback: Pointer;   // PDEV_QUERY_RESULT_CALLBACK
  pContext: Pointer;   // void* optional
  phDevQuery: Pointer   // HDEVQUERY* out
): Integer; stdcall;
  external 'api-ms-win-devices-query-l1-1-0.dll' name 'DevCreateObjectQuery';

result := DllCall("api-ms-win-devices-query-l1-1-0\DevCreateObjectQuery"
    , "Int", ObjectType   ; DEV_OBJECT_TYPE
    , "UInt", QueryFlags   ; DWORD
    , "UInt", cRequestedProperties   ; DWORD
    , "Ptr", pRequestedProperties   ; DEVPROPCOMPKEY* optional
    , "UInt", cFilterExpressionCount   ; DWORD
    , "Ptr", pFilter   ; DEVPROP_FILTER_EXPRESSION* optional
    , "Ptr", pCallback   ; PDEV_QUERY_RESULT_CALLBACK
    , "Ptr", pContext   ; void* optional
    , "Ptr", phDevQuery   ; HDEVQUERY* out
    , "Int")   ; return: HRESULT

●DevCreateObjectQuery(ObjectType, QueryFlags, cRequestedProperties, pRequestedProperties, cFilterExpressionCount, pFilter, pCallback, pContext, phDevQuery) = DLL("api-ms-win-devices-query-l1-1-0.dll", "int DevCreateObjectQuery(int, dword, dword, void*, dword, void*, void*, void*, void*)")
# 呼び出し: DevCreateObjectQuery(ObjectType, QueryFlags, cRequestedProperties, pRequestedProperties, cFilterExpressionCount, pFilter, pCallback, pContext, phDevQuery)
# ObjectType : DEV_OBJECT_TYPE -> "int"
# QueryFlags : DWORD -> "dword"
# cRequestedProperties : DWORD -> "dword"
# pRequestedProperties : DEVPROPCOMPKEY* optional -> "void*"
# cFilterExpressionCount : DWORD -> "dword"
# pFilter : DEVPROP_FILTER_EXPRESSION* optional -> "void*"
# pCallback : PDEV_QUERY_RESULT_CALLBACK -> "void*"
# pContext : void* optional -> "void*"
# phDevQuery : HDEVQUERY* 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)。