ホーム › Devices.Properties › DEVPROPERTY
DEVPROPERTY
構造体サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。
フィールド
| フィールド | 型 | サイズ | x64 | x86 | 説明 |
|---|---|---|---|---|---|
| CompKey | DEVPROPCOMPKEY | 32/28 | +0 | +0 | プロパティを識別する複合キー(DEVPROPCOMPKEY)。 |
| Type | DEVPROPTYPE | 4 | +32 | +28 | プロパティ値のデータ型を示すDEVPROPTYPE値。 |
| BufferSize | DWORD | 4 | +36 | +32 | Bufferが指す値データのサイズをバイトで表す。 |
| Buffer | void* | 8/4 | +40 | +36 | プロパティ値の実体データを指すポインタ。NULL可。 |
各言語での定義
#include <windows.h>
// DEVPROPKEY (x64 20 / x86 20 バイト)
typedef struct DEVPROPKEY {
GUID fmtid;
DWORD pid;
} DEVPROPKEY;
// DEVPROPCOMPKEY (x64 32 / x86 28 バイト)
typedef struct DEVPROPCOMPKEY {
DEVPROPKEY Key;
DEVPROPSTORE Store;
LPWSTR LocaleName;
} DEVPROPCOMPKEY;
// DEVPROPERTY (x64 48 / x86 40 バイト)
typedef struct DEVPROPERTY {
DEVPROPCOMPKEY CompKey;
DEVPROPTYPE Type;
DWORD BufferSize;
void* Buffer;
} DEVPROPERTY;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DEVPROPKEY
{
public Guid fmtid;
public uint pid;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DEVPROPCOMPKEY
{
public DEVPROPKEY Key;
public int Store;
public IntPtr LocaleName;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DEVPROPERTY
{
public DEVPROPCOMPKEY CompKey;
public uint Type;
public uint BufferSize;
public IntPtr Buffer;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DEVPROPKEY
Public fmtid As Guid
Public pid As UInteger
End Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DEVPROPCOMPKEY
Public Key As DEVPROPKEY
Public Store As Integer
Public LocaleName As IntPtr
End Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DEVPROPERTY
Public CompKey As DEVPROPCOMPKEY
Public Type As UInteger
Public BufferSize As UInteger
Public Buffer As IntPtr
End Structureimport ctypes
from ctypes import wintypes
class DEVPROPKEY(ctypes.Structure):
_fields_ = [
("fmtid", GUID),
("pid", wintypes.DWORD),
]
class DEVPROPCOMPKEY(ctypes.Structure):
_fields_ = [
("Key", DEVPROPKEY),
("Store", ctypes.c_int),
("LocaleName", ctypes.c_void_p),
]
class DEVPROPERTY(ctypes.Structure):
_fields_ = [
("CompKey", DEVPROPCOMPKEY),
("Type", wintypes.DWORD),
("BufferSize", wintypes.DWORD),
("Buffer", ctypes.c_void_p),
]#[repr(C)]
pub struct DEVPROPKEY {
pub fmtid: GUID,
pub pid: u32,
}
#[repr(C)]
pub struct DEVPROPCOMPKEY {
pub Key: DEVPROPKEY,
pub Store: i32,
pub LocaleName: *mut core::ffi::c_void,
}
#[repr(C)]
pub struct DEVPROPERTY {
pub CompKey: DEVPROPCOMPKEY,
pub Type: u32,
pub BufferSize: u32,
pub Buffer: *mut core::ffi::c_void,
}import "golang.org/x/sys/windows"
type DEVPROPKEY struct {
fmtid windows.GUID
pid uint32
}
type DEVPROPCOMPKEY struct {
Key DEVPROPKEY
Store int32
LocaleName uintptr
}
type DEVPROPERTY struct {
CompKey DEVPROPCOMPKEY
Type uint32
BufferSize uint32
Buffer uintptr
}type
DEVPROPKEY = record
fmtid: TGUID;
pid: DWORD;
end;
DEVPROPCOMPKEY = record
Key: DEVPROPKEY;
Store: Integer;
LocaleName: Pointer;
end;
DEVPROPERTY = record
CompKey: DEVPROPCOMPKEY;
Type: DWORD;
BufferSize: DWORD;
Buffer: Pointer;
end;const DEVPROPKEY = extern struct {
fmtid: GUID,
pid: u32,
};
const DEVPROPCOMPKEY = extern struct {
Key: DEVPROPKEY,
Store: i32,
LocaleName: ?*anyopaque,
};
const DEVPROPERTY = extern struct {
CompKey: DEVPROPCOMPKEY,
Type: u32,
BufferSize: u32,
Buffer: ?*anyopaque,
};type
DEVPROPKEY {.bycopy.} = object
fmtid: GUID
pid: uint32
DEVPROPCOMPKEY {.bycopy.} = object
Key: DEVPROPKEY
Store: int32
LocaleName: pointer
DEVPROPERTY {.bycopy.} = object
CompKey: DEVPROPCOMPKEY
Type: uint32
BufferSize: uint32
Buffer: pointerstruct DEVPROPKEY
{
GUID fmtid;
uint pid;
}
struct DEVPROPCOMPKEY
{
DEVPROPKEY Key;
int Store;
void* LocaleName;
}
struct DEVPROPERTY
{
DEVPROPCOMPKEY CompKey;
uint Type;
uint BufferSize;
void* Buffer;
}HSP用 定義
HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。
; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x86 レイアウト)
; DEVPROPERTY サイズ: 40 バイト(x86)
dim st, 10 ; 4byte整数×10(構造体サイズ 40 / 4 切り上げ)
; CompKey : DEVPROPCOMPKEY (+0, 28byte) varptr(st)+0 を基点に操作(28byte:入れ子/配列)
; Type : DEVPROPTYPE (+28, 4byte) st.7 = 値 / 値 = st.7 (lpoke/lpeek も可)
; BufferSize : DWORD (+32, 4byte) st.8 = 値 / 値 = st.8 (lpoke/lpeek も可)
; Buffer : void* (+36, 4byte) st.9 = 値 / 値 = st.9 (lpoke/lpeek も可)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; DEVPROPERTY サイズ: 48 バイト(x64)
dim st, 12 ; 4byte整数×12(構造体サイズ 48 / 4 切り上げ)
; CompKey : DEVPROPCOMPKEY (+0, 32byte) varptr(st)+0 を基点に操作(32byte:入れ子/配列)
; Type : DEVPROPTYPE (+32, 4byte) st.8 = 値 / 値 = st.8 (lpoke/lpeek も可)
; BufferSize : DWORD (+36, 4byte) st.9 = 値 / 値 = st.9 (lpoke/lpeek も可)
; Buffer : void* (+40, 8byte) qpoke st,40,値 / qpeek(st,40) ※IronHSPのみ。3.7/3.8は lpoke st,40,下位 : lpoke st,44,上位
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
; ※GUID・入れ子構造体はデフォルト型でないため、依存する #defstruct を先に定義(下記に同梱)。
#defstruct global GUID, pack=1
#field int Data1
#field short Data2
#field short Data3
#field byte Data4 8
#endstruct
#defstruct global DEVPROPKEY
#field GUID fmtid
#field int pid
#endstruct
#defstruct global DEVPROPCOMPKEY
#field DEVPROPKEY Key
#field int Store
#field intptr LocaleName
#endstruct
#defstruct global DEVPROPERTY
#field DEVPROPCOMPKEY CompKey
#field int Type
#field int BufferSize
#field intptr Buffer
#endstruct
stdim st, DEVPROPERTY ; NSTRUCT 変数を確保
st->Type = 100
mes "Type=" + st->Type