CM_Request_Eject_PC_Ex

// CFGMGR32.dll
#include <windows.h>

CONFIGRET CM_Request_Eject_PC_Ex(
    INT_PTR hMachine   // optional
);

<DllImport("CFGMGR32.dll", ExactSpelling:=True)>
Public Shared Function CM_Request_Eject_PC_Ex(
    hMachine As IntPtr   ' INT_PTR optional
) As UInteger
End Function

' hMachine : INT_PTR optional
Declare PtrSafe Function CM_Request_Eject_PC_Ex Lib "cfgmgr32" ( _
    ByVal hMachine As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CM_Request_Eject_PC_Ex = ctypes.windll.cfgmgr32.CM_Request_Eject_PC_Ex
CM_Request_Eject_PC_Ex.restype = wintypes.DWORD
CM_Request_Eject_PC_Ex.argtypes = [
    ctypes.c_ssize_t,  # hMachine : INT_PTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CFGMGR32.dll')
CM_Request_Eject_PC_Ex = Fiddle::Function.new(
  lib['CM_Request_Eject_PC_Ex'],
  [
    Fiddle::TYPE_INTPTR_T,  # hMachine : INT_PTR optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "cfgmgr32")]
extern "system" {
    fn CM_Request_Eject_PC_Ex(
        hMachine: isize  // INT_PTR optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CFGMGR32.dll")]
public static extern uint CM_Request_Eject_PC_Ex(IntPtr hMachine);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CFGMGR32_CM_Request_Eject_PC_Ex' -Namespace Win32 -PassThru
# $api::CM_Request_Eject_PC_Ex(hMachine)

#uselib "CFGMGR32.dll"
#func global CM_Request_Eject_PC_Ex "CM_Request_Eject_PC_Ex" sptr
; CM_Request_Eject_PC_Ex hMachine   ; 戻り値は stat
; hMachine : INT_PTR optional -> "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。

#uselib "CFGMGR32.dll"
#cfunc global CM_Request_Eject_PC_Ex "CM_Request_Eject_PC_Ex" sptr
; res = CM_Request_Eject_PC_Ex(hMachine)
; hMachine : INT_PTR optional -> "sptr"

; CONFIGRET CM_Request_Eject_PC_Ex(INT_PTR hMachine)
#uselib "CFGMGR32.dll"
#cfunc global CM_Request_Eject_PC_Ex "CM_Request_Eject_PC_Ex" intptr
; res = CM_Request_Eject_PC_Ex(hMachine)
; hMachine : INT_PTR optional -> "intptr"

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

var (
	cfgmgr32 = windows.NewLazySystemDLL("CFGMGR32.dll")
	procCM_Request_Eject_PC_Ex = cfgmgr32.NewProc("CM_Request_Eject_PC_Ex")
)

// hMachine (INT_PTR optional)
r1, _, err := procCM_Request_Eject_PC_Ex.Call(
	uintptr(hMachine),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CONFIGRET

function CM_Request_Eject_PC_Ex(
  hMachine: NativeInt   // INT_PTR optional
): DWORD; stdcall;
  external 'CFGMGR32.dll' name 'CM_Request_Eject_PC_Ex';

result := DllCall("CFGMGR32\CM_Request_Eject_PC_Ex"
    , "Ptr", hMachine   ; INT_PTR optional
    , "UInt")   ; return: CONFIGRET

●CM_Request_Eject_PC_Ex(hMachine) = DLL("CFGMGR32.dll", "dword CM_Request_Eject_PC_Ex(int)")
# 呼び出し: CM_Request_Eject_PC_Ex(hMachine)
# hMachine : INT_PTR optional -> "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)。