ホーム › Devices.DeviceAndDriverInstallation › SetupFreeSourceListA

SetupFreeSourceListA

関数

照会で取得したソースリストのメモリを解放する(ANSI)。

DLLSETUPAPI.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// SETUPAPI.dll  (ANSI / -A)
#include <windows.h>

BOOL SetupFreeSourceListA(
    LPCSTR** List,
    DWORD Count
);

パラメーター

名前	型	方向
List	LPCSTR**	inout
Count	DWORD	in

戻り値の型: BOOL

各言語での呼び出し定義

// SETUPAPI.dll  (ANSI / -A)
#include <windows.h>

BOOL SetupFreeSourceListA(
    LPCSTR** List,
    DWORD Count
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SetupFreeSourceListA(
    IntPtr List,   // LPCSTR** in/out
    uint Count   // DWORD
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupFreeSourceListA(
    List As IntPtr,   ' LPCSTR** in/out
    Count As UInteger   ' DWORD
) As Boolean
End Function

' List : LPCSTR** in/out
' Count : DWORD
Declare PtrSafe Function SetupFreeSourceListA Lib "setupapi" ( _
    ByVal List As LongPtr, _
    ByVal Count 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

SetupFreeSourceListA = ctypes.windll.setupapi.SetupFreeSourceListA
SetupFreeSourceListA.restype = wintypes.BOOL
SetupFreeSourceListA.argtypes = [
    ctypes.c_void_p,  # List : LPCSTR** in/out
    wintypes.DWORD,  # Count : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupFreeSourceListA = Fiddle::Function.new(
  lib['SetupFreeSourceListA'],
  [
    Fiddle::TYPE_VOIDP,  # List : LPCSTR** in/out
    -Fiddle::TYPE_INT,  # Count : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "setupapi")]
extern "system" {
    fn SetupFreeSourceListA(
        List: *const *const *const u8,  // LPCSTR** in/out
        Count: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SetupFreeSourceListA(IntPtr List, uint Count);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupFreeSourceListA' -Namespace Win32 -PassThru
# $api::SetupFreeSourceListA(List, Count)

#uselib "SETUPAPI.dll"
#func global SetupFreeSourceListA "SetupFreeSourceListA" sptr, sptr
; SetupFreeSourceListA varptr(List), Count   ; 戻り値は stat
; List : LPCSTR** in/out -> "sptr"
; Count : DWORD -> "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 "SETUPAPI.dll"
#cfunc global SetupFreeSourceListA "SetupFreeSourceListA" var, int
; res = SetupFreeSourceListA(List, Count)
; List : LPCSTR** in/out -> "var"
; Count : DWORD -> "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 "SETUPAPI.dll"
#cfunc global SetupFreeSourceListA "SetupFreeSourceListA" sptr, int
; res = SetupFreeSourceListA(varptr(List), Count)
; List : LPCSTR** in/out -> "sptr"
; Count : DWORD -> "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 SetupFreeSourceListA(LPCSTR** List, DWORD Count)
#uselib "SETUPAPI.dll"
#cfunc global SetupFreeSourceListA "SetupFreeSourceListA" var, int
; res = SetupFreeSourceListA(List, Count)
; List : LPCSTR** in/out -> "var"
; Count : DWORD -> "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 SetupFreeSourceListA(LPCSTR** List, DWORD Count)
#uselib "SETUPAPI.dll"
#cfunc global SetupFreeSourceListA "SetupFreeSourceListA" intptr, int
; res = SetupFreeSourceListA(varptr(List), Count)
; List : LPCSTR** in/out -> "intptr"
; Count : DWORD -> "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 (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupFreeSourceListA = setupapi.NewProc("SetupFreeSourceListA")
)

// List (LPCSTR** in/out), Count (DWORD)
r1, _, err := procSetupFreeSourceListA.Call(
	uintptr(List),
	uintptr(Count),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupFreeSourceListA(
  List: PPAnsiChar;   // LPCSTR** in/out
  Count: DWORD   // DWORD
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupFreeSourceListA';

result := DllCall("SETUPAPI\SetupFreeSourceListA"
    , "Ptr", List   ; LPCSTR** in/out
    , "UInt", Count   ; DWORD
    , "Int")   ; return: BOOL

●SetupFreeSourceListA(List, Count) = DLL("SETUPAPI.dll", "bool SetupFreeSourceListA(void*, dword)")
# 呼び出し: SetupFreeSourceListA(List, Count)
# List : LPCSTR** in/out -> "void*"
# Count : DWORD -> "dword"
# 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)。