GetNextDlgTabItem

// USER32.dll
#include <windows.h>

HWND GetNextDlgTabItem(
    HWND hDlg,
    HWND hCtl,   // optional
    BOOL bPrevious
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetNextDlgTabItem(
    hDlg As IntPtr,   ' HWND
    hCtl As IntPtr,   ' HWND optional
    bPrevious As Boolean   ' BOOL
) As IntPtr
End Function

' hDlg : HWND
' hCtl : HWND optional
' bPrevious : BOOL
Declare PtrSafe Function GetNextDlgTabItem Lib "user32" ( _
    ByVal hDlg As LongPtr, _
    ByVal hCtl As LongPtr, _
    ByVal bPrevious As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetNextDlgTabItem = ctypes.windll.user32.GetNextDlgTabItem
GetNextDlgTabItem.restype = ctypes.c_void_p
GetNextDlgTabItem.argtypes = [
    wintypes.HANDLE,  # hDlg : HWND
    wintypes.HANDLE,  # hCtl : HWND optional
    wintypes.BOOL,  # bPrevious : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetNextDlgTabItem = Fiddle::Function.new(
  lib['GetNextDlgTabItem'],
  [
    Fiddle::TYPE_VOIDP,  # hDlg : HWND
    Fiddle::TYPE_VOIDP,  # hCtl : HWND optional
    Fiddle::TYPE_INT,  # bPrevious : BOOL
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "user32")]
extern "system" {
    fn GetNextDlgTabItem(
        hDlg: *mut core::ffi::c_void,  // HWND
        hCtl: *mut core::ffi::c_void,  // HWND optional
        bPrevious: i32  // BOOL
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", SetLastError = true)]
public static extern IntPtr GetNextDlgTabItem(IntPtr hDlg, IntPtr hCtl, bool bPrevious);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetNextDlgTabItem' -Namespace Win32 -PassThru
# $api::GetNextDlgTabItem(hDlg, hCtl, bPrevious)

#uselib "USER32.dll"
#func global GetNextDlgTabItem "GetNextDlgTabItem" sptr, sptr, sptr
; GetNextDlgTabItem hDlg, hCtl, bPrevious   ; 戻り値は stat
; hDlg : HWND -> "sptr"
; hCtl : HWND optional -> "sptr"
; bPrevious : BOOL -> "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 "USER32.dll"
#cfunc global GetNextDlgTabItem "GetNextDlgTabItem" sptr, sptr, int
; res = GetNextDlgTabItem(hDlg, hCtl, bPrevious)
; hDlg : HWND -> "sptr"
; hCtl : HWND optional -> "sptr"
; bPrevious : BOOL -> "int"

; HWND GetNextDlgTabItem(HWND hDlg, HWND hCtl, BOOL bPrevious)
#uselib "USER32.dll"
#cfunc global GetNextDlgTabItem "GetNextDlgTabItem" intptr, intptr, int
; res = GetNextDlgTabItem(hDlg, hCtl, bPrevious)
; hDlg : HWND -> "intptr"
; hCtl : HWND optional -> "intptr"
; bPrevious : BOOL -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetNextDlgTabItem = user32.NewProc("GetNextDlgTabItem")
)

// hDlg (HWND), hCtl (HWND optional), bPrevious (BOOL)
r1, _, err := procGetNextDlgTabItem.Call(
	uintptr(hDlg),
	uintptr(hCtl),
	uintptr(bPrevious),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HWND

function GetNextDlgTabItem(
  hDlg: THandle;   // HWND
  hCtl: THandle;   // HWND optional
  bPrevious: BOOL   // BOOL
): THandle; stdcall;
  external 'USER32.dll' name 'GetNextDlgTabItem';

result := DllCall("USER32\GetNextDlgTabItem"
    , "Ptr", hDlg   ; HWND
    , "Ptr", hCtl   ; HWND optional
    , "Int", bPrevious   ; BOOL
    , "Ptr")   ; return: HWND

●GetNextDlgTabItem(hDlg, hCtl, bPrevious) = DLL("USER32.dll", "void* GetNextDlgTabItem(void*, void*, bool)")
# 呼び出し: GetNextDlgTabItem(hDlg, hCtl, bPrevious)
# hDlg : HWND -> "void*"
# hCtl : HWND optional -> "void*"
# bPrevious : BOOL -> "bool"
# 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)。