WinUsb_GetPowerPolicy

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

BOOL WinUsb_GetPowerPolicy(
    WINUSB_INTERFACE_HANDLE InterfaceHandle,
    WINUSB_POWER_POLICY PolicyType,
    DWORD* ValueLength,
    void* Value
);

<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_GetPowerPolicy(
    InterfaceHandle As IntPtr,   ' WINUSB_INTERFACE_HANDLE
    PolicyType As UInteger,   ' WINUSB_POWER_POLICY
    ByRef ValueLength As UInteger,   ' DWORD* in/out
    Value As IntPtr   ' void* out
) As Boolean
End Function

' InterfaceHandle : WINUSB_INTERFACE_HANDLE
' PolicyType : WINUSB_POWER_POLICY
' ValueLength : DWORD* in/out
' Value : void* out
Declare PtrSafe Function WinUsb_GetPowerPolicy Lib "winusb" ( _
    ByVal InterfaceHandle As LongPtr, _
    ByVal PolicyType As Long, _
    ByRef ValueLength As Long, _
    ByVal Value 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

WinUsb_GetPowerPolicy = ctypes.windll.winusb.WinUsb_GetPowerPolicy
WinUsb_GetPowerPolicy.restype = wintypes.BOOL
WinUsb_GetPowerPolicy.argtypes = [
    wintypes.HANDLE,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    wintypes.DWORD,  # PolicyType : WINUSB_POWER_POLICY
    ctypes.POINTER(wintypes.DWORD),  # ValueLength : DWORD* in/out
    ctypes.POINTER(None),  # Value : void* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_GetPowerPolicy = Fiddle::Function.new(
  lib['WinUsb_GetPowerPolicy'],
  [
    Fiddle::TYPE_VOIDP,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    -Fiddle::TYPE_INT,  # PolicyType : WINUSB_POWER_POLICY
    Fiddle::TYPE_VOIDP,  # ValueLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Value : void* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winusb")]
extern "system" {
    fn WinUsb_GetPowerPolicy(
        InterfaceHandle: *mut core::ffi::c_void,  // WINUSB_INTERFACE_HANDLE
        PolicyType: u32,  // WINUSB_POWER_POLICY
        ValueLength: *mut u32,  // DWORD* in/out
        Value: *mut ()  // void* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true)]
public static extern bool WinUsb_GetPowerPolicy(IntPtr InterfaceHandle, uint PolicyType, ref uint ValueLength, IntPtr Value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_GetPowerPolicy' -Namespace Win32 -PassThru
# $api::WinUsb_GetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)

#uselib "WINUSB.dll"
#func global WinUsb_GetPowerPolicy "WinUsb_GetPowerPolicy" sptr, sptr, sptr, sptr
; WinUsb_GetPowerPolicy InterfaceHandle, PolicyType, varptr(ValueLength), Value   ; 戻り値は stat
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; PolicyType : WINUSB_POWER_POLICY -> "sptr"
; ValueLength : DWORD* in/out -> "sptr"
; Value : void* out -> "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 "WINUSB.dll"
#cfunc global WinUsb_GetPowerPolicy "WinUsb_GetPowerPolicy" sptr, int, var, sptr
; res = WinUsb_GetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; PolicyType : WINUSB_POWER_POLICY -> "int"
; ValueLength : DWORD* in/out -> "var"
; Value : void* out -> "sptr"
; ※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 WinUsb_GetPowerPolicy(WINUSB_INTERFACE_HANDLE InterfaceHandle, WINUSB_POWER_POLICY PolicyType, DWORD* ValueLength, void* Value)
#uselib "WINUSB.dll"
#cfunc global WinUsb_GetPowerPolicy "WinUsb_GetPowerPolicy" intptr, int, var, intptr
; res = WinUsb_GetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr"
; PolicyType : WINUSB_POWER_POLICY -> "int"
; ValueLength : DWORD* in/out -> "var"
; Value : void* out -> "intptr"
; ※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。

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

var (
	winusb = windows.NewLazySystemDLL("WINUSB.dll")
	procWinUsb_GetPowerPolicy = winusb.NewProc("WinUsb_GetPowerPolicy")
)

// InterfaceHandle (WINUSB_INTERFACE_HANDLE), PolicyType (WINUSB_POWER_POLICY), ValueLength (DWORD* in/out), Value (void* out)
r1, _, err := procWinUsb_GetPowerPolicy.Call(
	uintptr(InterfaceHandle),
	uintptr(PolicyType),
	uintptr(ValueLength),
	uintptr(Value),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WinUsb_GetPowerPolicy(
  InterfaceHandle: THandle;   // WINUSB_INTERFACE_HANDLE
  PolicyType: DWORD;   // WINUSB_POWER_POLICY
  ValueLength: Pointer;   // DWORD* in/out
  Value: Pointer   // void* out
): BOOL; stdcall;
  external 'WINUSB.dll' name 'WinUsb_GetPowerPolicy';

result := DllCall("WINUSB\WinUsb_GetPowerPolicy"
    , "Ptr", InterfaceHandle   ; WINUSB_INTERFACE_HANDLE
    , "UInt", PolicyType   ; WINUSB_POWER_POLICY
    , "Ptr", ValueLength   ; DWORD* in/out
    , "Ptr", Value   ; void* out
    , "Int")   ; return: BOOL

●WinUsb_GetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value) = DLL("WINUSB.dll", "bool WinUsb_GetPowerPolicy(void*, dword, void*, void*)")
# 呼び出し: WinUsb_GetPowerPolicy(InterfaceHandle, PolicyType, ValueLength, Value)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "void*"
# PolicyType : WINUSB_POWER_POLICY -> "dword"
# ValueLength : DWORD* in/out -> "void*"
# Value : void* out -> "void*"
# 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)。