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CoFreeUnusedLibrariesEx

関数

遅延時間を指定し不要なCOMサーバーDLLを解放する。

DLLOLE32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// OLE32.dll
#include <windows.h>

void CoFreeUnusedLibrariesEx(
    DWORD dwUnloadDelay,
    DWORD dwReserved
);

パラメーター

名前	型	方向
dwUnloadDelay	DWORD	in
dwReserved	DWORD	in

戻り値の型: void

各言語での呼び出し定義

// OLE32.dll
#include <windows.h>

void CoFreeUnusedLibrariesEx(
    DWORD dwUnloadDelay,
    DWORD dwReserved
);

[DllImport("OLE32.dll", ExactSpelling = true)]
static extern void CoFreeUnusedLibrariesEx(
    uint dwUnloadDelay,   // DWORD
    uint dwReserved   // DWORD
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Sub CoFreeUnusedLibrariesEx(
    dwUnloadDelay As UInteger,   ' DWORD
    dwReserved As UInteger   ' DWORD
)
End Sub

' dwUnloadDelay : DWORD
' dwReserved : DWORD
Declare PtrSafe Sub CoFreeUnusedLibrariesEx Lib "ole32" ( _
    ByVal dwUnloadDelay As Long, _
    ByVal dwReserved As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CoFreeUnusedLibrariesEx = ctypes.windll.ole32.CoFreeUnusedLibrariesEx
CoFreeUnusedLibrariesEx.restype = None
CoFreeUnusedLibrariesEx.argtypes = [
    wintypes.DWORD,  # dwUnloadDelay : DWORD
    wintypes.DWORD,  # dwReserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoFreeUnusedLibrariesEx = Fiddle::Function.new(
  lib['CoFreeUnusedLibrariesEx'],
  [
    -Fiddle::TYPE_INT,  # dwUnloadDelay : DWORD
    -Fiddle::TYPE_INT,  # dwReserved : DWORD
  ],
  Fiddle::TYPE_VOID)

#[link(name = "ole32")]
extern "system" {
    fn CoFreeUnusedLibrariesEx(
        dwUnloadDelay: u32,  // DWORD
        dwReserved: u32  // DWORD
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern void CoFreeUnusedLibrariesEx(uint dwUnloadDelay, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoFreeUnusedLibrariesEx' -Namespace Win32 -PassThru
# $api::CoFreeUnusedLibrariesEx(dwUnloadDelay, dwReserved)

#uselib "OLE32.dll"
#func global CoFreeUnusedLibrariesEx "CoFreeUnusedLibrariesEx" sptr, sptr
; CoFreeUnusedLibrariesEx dwUnloadDelay, dwReserved
; dwUnloadDelay : DWORD -> "sptr"
; dwReserved : DWORD -> "sptr"

#uselib "OLE32.dll"
#func global CoFreeUnusedLibrariesEx "CoFreeUnusedLibrariesEx" int, int
; CoFreeUnusedLibrariesEx dwUnloadDelay, dwReserved
; dwUnloadDelay : DWORD -> "int"
; dwReserved : DWORD -> "int"

; void CoFreeUnusedLibrariesEx(DWORD dwUnloadDelay, DWORD dwReserved)
#uselib "OLE32.dll"
#func global CoFreeUnusedLibrariesEx "CoFreeUnusedLibrariesEx" int, int
; CoFreeUnusedLibrariesEx dwUnloadDelay, dwReserved
; dwUnloadDelay : DWORD -> "int"
; dwReserved : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoFreeUnusedLibrariesEx = ole32.NewProc("CoFreeUnusedLibrariesEx")
)

// dwUnloadDelay (DWORD), dwReserved (DWORD)
r1, _, err := procCoFreeUnusedLibrariesEx.Call(
	uintptr(dwUnloadDelay),
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure CoFreeUnusedLibrariesEx(
  dwUnloadDelay: DWORD;   // DWORD
  dwReserved: DWORD   // DWORD
); stdcall;
  external 'OLE32.dll' name 'CoFreeUnusedLibrariesEx';

result := DllCall("OLE32\CoFreeUnusedLibrariesEx"
    , "UInt", dwUnloadDelay   ; DWORD
    , "UInt", dwReserved   ; DWORD
    , "Int")   ; return: void

●CoFreeUnusedLibrariesEx(dwUnloadDelay, dwReserved) = DLL("OLE32.dll", "int CoFreeUnusedLibrariesEx(dword, dword)")
# 呼び出し: CoFreeUnusedLibrariesEx(dwUnloadDelay, dwReserved)
# dwUnloadDelay : DWORD -> "dword"
# dwReserved : 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)。