RtmInvokeMethod

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

DWORD RtmInvokeMethod(
    INT_PTR RtmRegHandle,
    INT_PTR EntityHandle,
    RTM_ENTITY_METHOD_INPUT* Input,
    DWORD* OutputSize,
    RTM_ENTITY_METHOD_OUTPUT* Output
);

<DllImport("rtm.dll", ExactSpelling:=True)>
Public Shared Function RtmInvokeMethod(
    RtmRegHandle As IntPtr,   ' INT_PTR
    EntityHandle As IntPtr,   ' INT_PTR
    Input As IntPtr,   ' RTM_ENTITY_METHOD_INPUT* in/out
    ByRef OutputSize As UInteger,   ' DWORD* in/out
    Output As IntPtr   ' RTM_ENTITY_METHOD_OUTPUT* in/out
) As UInteger
End Function

' RtmRegHandle : INT_PTR
' EntityHandle : INT_PTR
' Input : RTM_ENTITY_METHOD_INPUT* in/out
' OutputSize : DWORD* in/out
' Output : RTM_ENTITY_METHOD_OUTPUT* in/out
Declare PtrSafe Function RtmInvokeMethod Lib "rtm" ( _
    ByVal RtmRegHandle As LongPtr, _
    ByVal EntityHandle As LongPtr, _
    ByVal Input As LongPtr, _
    ByRef OutputSize As Long, _
    ByVal Output 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

RtmInvokeMethod = ctypes.windll.rtm.RtmInvokeMethod
RtmInvokeMethod.restype = wintypes.DWORD
RtmInvokeMethod.argtypes = [
    ctypes.c_ssize_t,  # RtmRegHandle : INT_PTR
    ctypes.c_ssize_t,  # EntityHandle : INT_PTR
    ctypes.c_void_p,  # Input : RTM_ENTITY_METHOD_INPUT* in/out
    ctypes.POINTER(wintypes.DWORD),  # OutputSize : DWORD* in/out
    ctypes.c_void_p,  # Output : RTM_ENTITY_METHOD_OUTPUT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('rtm.dll')
RtmInvokeMethod = Fiddle::Function.new(
  lib['RtmInvokeMethod'],
  [
    Fiddle::TYPE_INTPTR_T,  # RtmRegHandle : INT_PTR
    Fiddle::TYPE_INTPTR_T,  # EntityHandle : INT_PTR
    Fiddle::TYPE_VOIDP,  # Input : RTM_ENTITY_METHOD_INPUT* in/out
    Fiddle::TYPE_VOIDP,  # OutputSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Output : RTM_ENTITY_METHOD_OUTPUT* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "rtm")]
extern "system" {
    fn RtmInvokeMethod(
        RtmRegHandle: isize,  // INT_PTR
        EntityHandle: isize,  // INT_PTR
        Input: *mut RTM_ENTITY_METHOD_INPUT,  // RTM_ENTITY_METHOD_INPUT* in/out
        OutputSize: *mut u32,  // DWORD* in/out
        Output: *mut RTM_ENTITY_METHOD_OUTPUT  // RTM_ENTITY_METHOD_OUTPUT* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("rtm.dll")]
public static extern uint RtmInvokeMethod(IntPtr RtmRegHandle, IntPtr EntityHandle, IntPtr Input, ref uint OutputSize, IntPtr Output);
"@
$api = Add-Type -MemberDefinition $sig -Name 'rtm_RtmInvokeMethod' -Namespace Win32 -PassThru
# $api::RtmInvokeMethod(RtmRegHandle, EntityHandle, Input, OutputSize, Output)

#uselib "rtm.dll"
#func global RtmInvokeMethod "RtmInvokeMethod" sptr, sptr, sptr, sptr, sptr
; RtmInvokeMethod RtmRegHandle, EntityHandle, varptr(Input), varptr(OutputSize), varptr(Output)   ; 戻り値は stat
; RtmRegHandle : INT_PTR -> "sptr"
; EntityHandle : INT_PTR -> "sptr"
; Input : RTM_ENTITY_METHOD_INPUT* in/out -> "sptr"
; OutputSize : DWORD* in/out -> "sptr"
; Output : RTM_ENTITY_METHOD_OUTPUT* in/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 "rtm.dll"
#cfunc global RtmInvokeMethod "RtmInvokeMethod" sptr, sptr, var, var, var
; res = RtmInvokeMethod(RtmRegHandle, EntityHandle, Input, OutputSize, Output)
; RtmRegHandle : INT_PTR -> "sptr"
; EntityHandle : INT_PTR -> "sptr"
; Input : RTM_ENTITY_METHOD_INPUT* in/out -> "var"
; OutputSize : DWORD* in/out -> "var"
; Output : RTM_ENTITY_METHOD_OUTPUT* in/out -> "var"
; ※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。

; DWORD RtmInvokeMethod(INT_PTR RtmRegHandle, INT_PTR EntityHandle, RTM_ENTITY_METHOD_INPUT* Input, DWORD* OutputSize, RTM_ENTITY_METHOD_OUTPUT* Output)
#uselib "rtm.dll"
#cfunc global RtmInvokeMethod "RtmInvokeMethod" intptr, intptr, var, var, var
; res = RtmInvokeMethod(RtmRegHandle, EntityHandle, Input, OutputSize, Output)
; RtmRegHandle : INT_PTR -> "intptr"
; EntityHandle : INT_PTR -> "intptr"
; Input : RTM_ENTITY_METHOD_INPUT* in/out -> "var"
; OutputSize : DWORD* in/out -> "var"
; Output : RTM_ENTITY_METHOD_OUTPUT* in/out -> "var"
; ※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 (
	rtm = windows.NewLazySystemDLL("rtm.dll")
	procRtmInvokeMethod = rtm.NewProc("RtmInvokeMethod")
)

// RtmRegHandle (INT_PTR), EntityHandle (INT_PTR), Input (RTM_ENTITY_METHOD_INPUT* in/out), OutputSize (DWORD* in/out), Output (RTM_ENTITY_METHOD_OUTPUT* in/out)
r1, _, err := procRtmInvokeMethod.Call(
	uintptr(RtmRegHandle),
	uintptr(EntityHandle),
	uintptr(Input),
	uintptr(OutputSize),
	uintptr(Output),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RtmInvokeMethod(
  RtmRegHandle: NativeInt;   // INT_PTR
  EntityHandle: NativeInt;   // INT_PTR
  Input: Pointer;   // RTM_ENTITY_METHOD_INPUT* in/out
  OutputSize: Pointer;   // DWORD* in/out
  Output: Pointer   // RTM_ENTITY_METHOD_OUTPUT* in/out
): DWORD; stdcall;
  external 'rtm.dll' name 'RtmInvokeMethod';

result := DllCall("rtm\RtmInvokeMethod"
    , "Ptr", RtmRegHandle   ; INT_PTR
    , "Ptr", EntityHandle   ; INT_PTR
    , "Ptr", Input   ; RTM_ENTITY_METHOD_INPUT* in/out
    , "Ptr", OutputSize   ; DWORD* in/out
    , "Ptr", Output   ; RTM_ENTITY_METHOD_OUTPUT* in/out
    , "UInt")   ; return: DWORD

●RtmInvokeMethod(RtmRegHandle, EntityHandle, Input, OutputSize, Output) = DLL("rtm.dll", "dword RtmInvokeMethod(int, int, void*, void*, void*)")
# 呼び出し: RtmInvokeMethod(RtmRegHandle, EntityHandle, Input, OutputSize, Output)
# RtmRegHandle : INT_PTR -> "int"
# EntityHandle : INT_PTR -> "int"
# Input : RTM_ENTITY_METHOD_INPUT* in/out -> "void*"
# OutputSize : DWORD* in/out -> "void*"
# Output : RTM_ENTITY_METHOD_OUTPUT* in/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)。