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ReadCabinetState

関数

エクスプローラーのキャビネット状態設定を読み込む。

DLLSHELL32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// SHELL32.dll
#include <windows.h>

BOOL ReadCabinetState(
    CABINETSTATE* pcs,
    INT cLength
);

パラメーター

名前	型	方向
pcs	CABINETSTATE*	out
cLength	INT	in

戻り値の型: BOOL

各言語での呼び出し定義

// SHELL32.dll
#include <windows.h>

BOOL ReadCabinetState(
    CABINETSTATE* pcs,
    INT cLength
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHELL32.dll", ExactSpelling = true)]
static extern bool ReadCabinetState(
    IntPtr pcs,   // CABINETSTATE* out
    int cLength   // INT
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function ReadCabinetState(
    pcs As IntPtr,   ' CABINETSTATE* out
    cLength As Integer   ' INT
) As Boolean
End Function

' pcs : CABINETSTATE* out
' cLength : INT
Declare PtrSafe Function ReadCabinetState Lib "shell32" ( _
    ByVal pcs As LongPtr, _
    ByVal cLength As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ReadCabinetState = ctypes.windll.shell32.ReadCabinetState
ReadCabinetState.restype = wintypes.BOOL
ReadCabinetState.argtypes = [
    ctypes.c_void_p,  # pcs : CABINETSTATE* out
    ctypes.c_int,  # cLength : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
ReadCabinetState = Fiddle::Function.new(
  lib['ReadCabinetState'],
  [
    Fiddle::TYPE_VOIDP,  # pcs : CABINETSTATE* out
    Fiddle::TYPE_INT,  # cLength : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn ReadCabinetState(
        pcs: *mut CABINETSTATE,  // CABINETSTATE* out
        cLength: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHELL32.dll")]
public static extern bool ReadCabinetState(IntPtr pcs, int cLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_ReadCabinetState' -Namespace Win32 -PassThru
# $api::ReadCabinetState(pcs, cLength)

#uselib "SHELL32.dll"
#func global ReadCabinetState "ReadCabinetState" sptr, sptr
; ReadCabinetState varptr(pcs), cLength   ; 戻り値は stat
; pcs : CABINETSTATE* out -> "sptr"
; cLength : INT -> "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 "SHELL32.dll"
#cfunc global ReadCabinetState "ReadCabinetState" var, int
; res = ReadCabinetState(pcs, cLength)
; pcs : CABINETSTATE* out -> "var"
; cLength : INT -> "int"
; ※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 "SHELL32.dll"
#cfunc global ReadCabinetState "ReadCabinetState" sptr, int
; res = ReadCabinetState(varptr(pcs), cLength)
; pcs : CABINETSTATE* out -> "sptr"
; cLength : INT -> "int"
; ※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:

; BOOL ReadCabinetState(CABINETSTATE* pcs, INT cLength)
#uselib "SHELL32.dll"
#cfunc global ReadCabinetState "ReadCabinetState" var, int
; res = ReadCabinetState(pcs, cLength)
; pcs : CABINETSTATE* out -> "var"
; cLength : INT -> "int"
; ※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。; BOOL ReadCabinetState(CABINETSTATE* pcs, INT cLength)
#uselib "SHELL32.dll"
#cfunc global ReadCabinetState "ReadCabinetState" intptr, int
; res = ReadCabinetState(varptr(pcs), cLength)
; pcs : CABINETSTATE* out -> "intptr"
; cLength : INT -> "int"
; ※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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procReadCabinetState = shell32.NewProc("ReadCabinetState")
)

// pcs (CABINETSTATE* out), cLength (INT)
r1, _, err := procReadCabinetState.Call(
	uintptr(pcs),
	uintptr(cLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ReadCabinetState(
  pcs: Pointer;   // CABINETSTATE* out
  cLength: Integer   // INT
): BOOL; stdcall;
  external 'SHELL32.dll' name 'ReadCabinetState';

result := DllCall("SHELL32\ReadCabinetState"
    , "Ptr", pcs   ; CABINETSTATE* out
    , "Int", cLength   ; INT
    , "Int")   ; return: BOOL

●ReadCabinetState(pcs, cLength) = DLL("SHELL32.dll", "bool ReadCabinetState(void*, int)")
# 呼び出し: ReadCabinetState(pcs, cLength)
# pcs : CABINETSTATE* out -> "void*"
# cLength : INT -> "int"
# 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)。