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PACKET_PROPERTY
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 |
|---|---|---|---|---|---|
| guid | GUID | 16 | +0 | +0 | パケットプロパティの種類を識別する GUID。 |
| PropertyMetrics | PROPERTY_METRICS | 16 | +16 | +16 | プロパティの範囲・単位・分解能を示す PROPERTY_METRICS。 |
各言語での定義
#include <windows.h>
// PROPERTY_METRICS (x64 16 / x86 16 バイト)
typedef struct PROPERTY_METRICS {
INT nLogicalMin;
INT nLogicalMax;
PROPERTY_UNITS Units;
FLOAT fResolution;
} PROPERTY_METRICS;
// PACKET_PROPERTY (x64 32 / x86 32 バイト)
typedef struct PACKET_PROPERTY {
GUID guid;
PROPERTY_METRICS PropertyMetrics;
} PACKET_PROPERTY;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PROPERTY_METRICS
{
public int nLogicalMin;
public int nLogicalMax;
public int Units;
public float fResolution;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PACKET_PROPERTY
{
public Guid guid;
public PROPERTY_METRICS PropertyMetrics;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PROPERTY_METRICS
Public nLogicalMin As Integer
Public nLogicalMax As Integer
Public Units As Integer
Public fResolution As Single
End Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure PACKET_PROPERTY
Public guid As Guid
Public PropertyMetrics As PROPERTY_METRICS
End Structureimport ctypes
from ctypes import wintypes
class PROPERTY_METRICS(ctypes.Structure):
_fields_ = [
("nLogicalMin", ctypes.c_int),
("nLogicalMax", ctypes.c_int),
("Units", ctypes.c_int),
("fResolution", ctypes.c_float),
]
class PACKET_PROPERTY(ctypes.Structure):
_fields_ = [
("guid", GUID),
("PropertyMetrics", PROPERTY_METRICS),
]#[repr(C)]
pub struct PROPERTY_METRICS {
pub nLogicalMin: i32,
pub nLogicalMax: i32,
pub Units: i32,
pub fResolution: f32,
}
#[repr(C)]
pub struct PACKET_PROPERTY {
pub guid: GUID,
pub PropertyMetrics: PROPERTY_METRICS,
}import "golang.org/x/sys/windows"
type PROPERTY_METRICS struct {
nLogicalMin int32
nLogicalMax int32
Units int32
fResolution float32
}
type PACKET_PROPERTY struct {
guid windows.GUID
PropertyMetrics PROPERTY_METRICS
}type
PROPERTY_METRICS = record
nLogicalMin: Integer;
nLogicalMax: Integer;
Units: Integer;
fResolution: Single;
end;
PACKET_PROPERTY = record
guid: TGUID;
PropertyMetrics: PROPERTY_METRICS;
end;const PROPERTY_METRICS = extern struct {
nLogicalMin: i32,
nLogicalMax: i32,
Units: i32,
fResolution: f32,
};
const PACKET_PROPERTY = extern struct {
guid: GUID,
PropertyMetrics: PROPERTY_METRICS,
};type
PROPERTY_METRICS {.bycopy.} = object
nLogicalMin: int32
nLogicalMax: int32
Units: int32
fResolution: float32
PACKET_PROPERTY {.bycopy.} = object
guid: GUID
PropertyMetrics: PROPERTY_METRICSstruct PROPERTY_METRICS
{
int nLogicalMin;
int nLogicalMax;
int Units;
float fResolution;
}
struct PACKET_PROPERTY
{
GUID guid;
PROPERTY_METRICS PropertyMetrics;
}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。(x64 レイアウト)
; PACKET_PROPERTY サイズ: 32 バイト(x64)
dim st, 8 ; 4byte整数×8(構造体サイズ 32 / 4 切り上げ)
; guid : GUID (+0, 16byte) varptr(st)+0 を基点に操作(16byte:入れ子/配列)
; PropertyMetrics : PROPERTY_METRICS (+16, 16byte) varptr(st)+16 を基点に操作(16byte:入れ子/配列)
; ※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 PROPERTY_METRICS
#field int nLogicalMin
#field int nLogicalMax
#field int Units
#field float fResolution
#endstruct
#defstruct global PACKET_PROPERTY
#field GUID guid
#field PROPERTY_METRICS PropertyMetrics
#endstruct
stdim st, PACKET_PROPERTY ; NSTRUCT 変数を確保