GetContextPropertyValue

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

HRESULT GetContextPropertyValue(
    HRECOCONTEXT hrc,
    GUID* pGuid,
    DWORD* pcbSize,
    BYTE* pProperty
);

<DllImport("inkobjcore.dll", ExactSpelling:=True)>
Public Shared Function GetContextPropertyValue(
    hrc As IntPtr,   ' HRECOCONTEXT
    ByRef pGuid As Guid,   ' GUID* in/out
    ByRef pcbSize As UInteger,   ' DWORD* in/out
    pProperty As IntPtr   ' BYTE* in/out
) As Integer
End Function

' hrc : HRECOCONTEXT
' pGuid : GUID* in/out
' pcbSize : DWORD* in/out
' pProperty : BYTE* in/out
Declare PtrSafe Function GetContextPropertyValue Lib "inkobjcore" ( _
    ByVal hrc As LongPtr, _
    ByVal pGuid As LongPtr, _
    ByRef pcbSize As Long, _
    ByVal pProperty 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

GetContextPropertyValue = ctypes.windll.inkobjcore.GetContextPropertyValue
GetContextPropertyValue.restype = ctypes.c_int
GetContextPropertyValue.argtypes = [
    wintypes.HANDLE,  # hrc : HRECOCONTEXT
    ctypes.c_void_p,  # pGuid : GUID* in/out
    ctypes.POINTER(wintypes.DWORD),  # pcbSize : DWORD* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # pProperty : BYTE* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('inkobjcore.dll')
GetContextPropertyValue = Fiddle::Function.new(
  lib['GetContextPropertyValue'],
  [
    Fiddle::TYPE_VOIDP,  # hrc : HRECOCONTEXT
    Fiddle::TYPE_VOIDP,  # pGuid : GUID* in/out
    Fiddle::TYPE_VOIDP,  # pcbSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pProperty : BYTE* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "inkobjcore")]
extern "system" {
    fn GetContextPropertyValue(
        hrc: *mut core::ffi::c_void,  // HRECOCONTEXT
        pGuid: *mut GUID,  // GUID* in/out
        pcbSize: *mut u32,  // DWORD* in/out
        pProperty: *mut u8  // BYTE* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("inkobjcore.dll")]
public static extern int GetContextPropertyValue(IntPtr hrc, ref Guid pGuid, ref uint pcbSize, IntPtr pProperty);
"@
$api = Add-Type -MemberDefinition $sig -Name 'inkobjcore_GetContextPropertyValue' -Namespace Win32 -PassThru
# $api::GetContextPropertyValue(hrc, pGuid, pcbSize, pProperty)

#uselib "inkobjcore.dll"
#func global GetContextPropertyValue "GetContextPropertyValue" sptr, sptr, sptr, sptr
; GetContextPropertyValue hrc, varptr(pGuid), varptr(pcbSize), varptr(pProperty)   ; 戻り値は stat
; hrc : HRECOCONTEXT -> "sptr"
; pGuid : GUID* in/out -> "sptr"
; pcbSize : DWORD* in/out -> "sptr"
; pProperty : BYTE* 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 "inkobjcore.dll"
#cfunc global GetContextPropertyValue "GetContextPropertyValue" sptr, var, var, var
; res = GetContextPropertyValue(hrc, pGuid, pcbSize, pProperty)
; hrc : HRECOCONTEXT -> "sptr"
; pGuid : GUID* in/out -> "var"
; pcbSize : DWORD* in/out -> "var"
; pProperty : BYTE* 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。

; HRESULT GetContextPropertyValue(HRECOCONTEXT hrc, GUID* pGuid, DWORD* pcbSize, BYTE* pProperty)
#uselib "inkobjcore.dll"
#cfunc global GetContextPropertyValue "GetContextPropertyValue" intptr, var, var, var
; res = GetContextPropertyValue(hrc, pGuid, pcbSize, pProperty)
; hrc : HRECOCONTEXT -> "intptr"
; pGuid : GUID* in/out -> "var"
; pcbSize : DWORD* in/out -> "var"
; pProperty : BYTE* 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 (
	inkobjcore = windows.NewLazySystemDLL("inkobjcore.dll")
	procGetContextPropertyValue = inkobjcore.NewProc("GetContextPropertyValue")
)

// hrc (HRECOCONTEXT), pGuid (GUID* in/out), pcbSize (DWORD* in/out), pProperty (BYTE* in/out)
r1, _, err := procGetContextPropertyValue.Call(
	uintptr(hrc),
	uintptr(pGuid),
	uintptr(pcbSize),
	uintptr(pProperty),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetContextPropertyValue(
  hrc: THandle;   // HRECOCONTEXT
  pGuid: PGUID;   // GUID* in/out
  pcbSize: Pointer;   // DWORD* in/out
  pProperty: Pointer   // BYTE* in/out
): Integer; stdcall;
  external 'inkobjcore.dll' name 'GetContextPropertyValue';

result := DllCall("inkobjcore\GetContextPropertyValue"
    , "Ptr", hrc   ; HRECOCONTEXT
    , "Ptr", pGuid   ; GUID* in/out
    , "Ptr", pcbSize   ; DWORD* in/out
    , "Ptr", pProperty   ; BYTE* in/out
    , "Int")   ; return: HRESULT

●GetContextPropertyValue(hrc, pGuid, pcbSize, pProperty) = DLL("inkobjcore.dll", "int GetContextPropertyValue(void*, void*, void*, void*)")
# 呼び出し: GetContextPropertyValue(hrc, pGuid, pcbSize, pProperty)
# hrc : HRECOCONTEXT -> "void*"
# pGuid : GUID* in/out -> "void*"
# pcbSize : DWORD* in/out -> "void*"
# pProperty : BYTE* 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)。