GetStateInteractionContext

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

HRESULT GetStateInteractionContext(
    HINTERACTIONCONTEXT interactionContext,
    const POINTER_INFO* pointerInfo,   // optional
    INTERACTION_STATE* state
);

<DllImport("NInput.dll", ExactSpelling:=True)>
Public Shared Function GetStateInteractionContext(
    interactionContext As IntPtr,   ' HINTERACTIONCONTEXT
    pointerInfo As IntPtr,   ' POINTER_INFO* optional
    <Out> ByRef state As Integer   ' INTERACTION_STATE* out
) As Integer
End Function

' interactionContext : HINTERACTIONCONTEXT
' pointerInfo : POINTER_INFO* optional
' state : INTERACTION_STATE* out
Declare PtrSafe Function GetStateInteractionContext Lib "ninput" ( _
    ByVal interactionContext As LongPtr, _
    ByVal pointerInfo As LongPtr, _
    ByRef state As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetStateInteractionContext = ctypes.windll.ninput.GetStateInteractionContext
GetStateInteractionContext.restype = ctypes.c_int
GetStateInteractionContext.argtypes = [
    wintypes.HANDLE,  # interactionContext : HINTERACTIONCONTEXT
    ctypes.c_void_p,  # pointerInfo : POINTER_INFO* optional
    ctypes.c_void_p,  # state : INTERACTION_STATE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NInput.dll')
GetStateInteractionContext = Fiddle::Function.new(
  lib['GetStateInteractionContext'],
  [
    Fiddle::TYPE_VOIDP,  # interactionContext : HINTERACTIONCONTEXT
    Fiddle::TYPE_VOIDP,  # pointerInfo : POINTER_INFO* optional
    Fiddle::TYPE_VOIDP,  # state : INTERACTION_STATE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ninput")]
extern "system" {
    fn GetStateInteractionContext(
        interactionContext: *mut core::ffi::c_void,  // HINTERACTIONCONTEXT
        pointerInfo: *const POINTER_INFO,  // POINTER_INFO* optional
        state: *mut i32  // INTERACTION_STATE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NInput.dll")]
public static extern int GetStateInteractionContext(IntPtr interactionContext, IntPtr pointerInfo, out int state);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NInput_GetStateInteractionContext' -Namespace Win32 -PassThru
# $api::GetStateInteractionContext(interactionContext, pointerInfo, state)

#uselib "NInput.dll"
#func global GetStateInteractionContext "GetStateInteractionContext" sptr, sptr, sptr
; GetStateInteractionContext interactionContext, varptr(pointerInfo), state   ; 戻り値は stat
; interactionContext : HINTERACTIONCONTEXT -> "sptr"
; pointerInfo : POINTER_INFO* optional -> "sptr"
; state : INTERACTION_STATE* 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 "NInput.dll"
#cfunc global GetStateInteractionContext "GetStateInteractionContext" sptr, var, int
; res = GetStateInteractionContext(interactionContext, pointerInfo, state)
; interactionContext : HINTERACTIONCONTEXT -> "sptr"
; pointerInfo : POINTER_INFO* optional -> "var"
; state : INTERACTION_STATE* out -> "int"
; ※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 GetStateInteractionContext(HINTERACTIONCONTEXT interactionContext, POINTER_INFO* pointerInfo, INTERACTION_STATE* state)
#uselib "NInput.dll"
#cfunc global GetStateInteractionContext "GetStateInteractionContext" intptr, var, int
; res = GetStateInteractionContext(interactionContext, pointerInfo, state)
; interactionContext : HINTERACTIONCONTEXT -> "intptr"
; pointerInfo : POINTER_INFO* optional -> "var"
; state : INTERACTION_STATE* out -> "int"
; ※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 (
	ninput = windows.NewLazySystemDLL("NInput.dll")
	procGetStateInteractionContext = ninput.NewProc("GetStateInteractionContext")
)

// interactionContext (HINTERACTIONCONTEXT), pointerInfo (POINTER_INFO* optional), state (INTERACTION_STATE* out)
r1, _, err := procGetStateInteractionContext.Call(
	uintptr(interactionContext),
	uintptr(pointerInfo),
	uintptr(state),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetStateInteractionContext(
  interactionContext: THandle;   // HINTERACTIONCONTEXT
  pointerInfo: Pointer;   // POINTER_INFO* optional
  state: Pointer   // INTERACTION_STATE* out
): Integer; stdcall;
  external 'NInput.dll' name 'GetStateInteractionContext';

result := DllCall("NInput\GetStateInteractionContext"
    , "Ptr", interactionContext   ; HINTERACTIONCONTEXT
    , "Ptr", pointerInfo   ; POINTER_INFO* optional
    , "Ptr", state   ; INTERACTION_STATE* out
    , "Int")   ; return: HRESULT

●GetStateInteractionContext(interactionContext, pointerInfo, state) = DLL("NInput.dll", "int GetStateInteractionContext(void*, void*, void*)")
# 呼び出し: GetStateInteractionContext(interactionContext, pointerInfo, state)
# interactionContext : HINTERACTIONCONTEXT -> "void*"
# pointerInfo : POINTER_INFO* optional -> "void*"
# state : INTERACTION_STATE* 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)。