CfConnectSyncRoot

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

HRESULT CfConnectSyncRoot(
    LPCWSTR SyncRootPath,
    const CF_CALLBACK_REGISTRATION* CallbackTable,
    const void* CallbackContext,   // optional
    CF_CONNECT_FLAGS ConnectFlags,
    CF_CONNECTION_KEY* ConnectionKey
);

<DllImport("cldapi.dll", ExactSpelling:=True)>
Public Shared Function CfConnectSyncRoot(
    <MarshalAs(UnmanagedType.LPWStr)> SyncRootPath As String,   ' LPCWSTR
    CallbackTable As IntPtr,   ' CF_CALLBACK_REGISTRATION*
    CallbackContext As IntPtr,   ' void* optional
    ConnectFlags As Integer,   ' CF_CONNECT_FLAGS
    <Out> ByRef ConnectionKey As Long   ' CF_CONNECTION_KEY* out
) As Integer
End Function

' SyncRootPath : LPCWSTR
' CallbackTable : CF_CALLBACK_REGISTRATION*
' CallbackContext : void* optional
' ConnectFlags : CF_CONNECT_FLAGS
' ConnectionKey : CF_CONNECTION_KEY* out
Declare PtrSafe Function CfConnectSyncRoot Lib "cldapi" ( _
    ByVal SyncRootPath As LongPtr, _
    ByVal CallbackTable As LongPtr, _
    ByVal CallbackContext As LongPtr, _
    ByVal ConnectFlags As Long, _
    ByRef ConnectionKey As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CfConnectSyncRoot = ctypes.windll.cldapi.CfConnectSyncRoot
CfConnectSyncRoot.restype = ctypes.c_int
CfConnectSyncRoot.argtypes = [
    wintypes.LPCWSTR,  # SyncRootPath : LPCWSTR
    ctypes.c_void_p,  # CallbackTable : CF_CALLBACK_REGISTRATION*
    ctypes.POINTER(None),  # CallbackContext : void* optional
    ctypes.c_int,  # ConnectFlags : CF_CONNECT_FLAGS
    ctypes.c_void_p,  # ConnectionKey : CF_CONNECTION_KEY* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('cldapi.dll')
CfConnectSyncRoot = Fiddle::Function.new(
  lib['CfConnectSyncRoot'],
  [
    Fiddle::TYPE_VOIDP,  # SyncRootPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # CallbackTable : CF_CALLBACK_REGISTRATION*
    Fiddle::TYPE_VOIDP,  # CallbackContext : void* optional
    Fiddle::TYPE_INT,  # ConnectFlags : CF_CONNECT_FLAGS
    Fiddle::TYPE_VOIDP,  # ConnectionKey : CF_CONNECTION_KEY* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "cldapi")]
extern "system" {
    fn CfConnectSyncRoot(
        SyncRootPath: *const u16,  // LPCWSTR
        CallbackTable: *const CF_CALLBACK_REGISTRATION,  // CF_CALLBACK_REGISTRATION*
        CallbackContext: *const (),  // void* optional
        ConnectFlags: i32,  // CF_CONNECT_FLAGS
        ConnectionKey: *mut i64  // CF_CONNECTION_KEY* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("cldapi.dll")]
public static extern int CfConnectSyncRoot([MarshalAs(UnmanagedType.LPWStr)] string SyncRootPath, IntPtr CallbackTable, IntPtr CallbackContext, int ConnectFlags, out long ConnectionKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'cldapi_CfConnectSyncRoot' -Namespace Win32 -PassThru
# $api::CfConnectSyncRoot(SyncRootPath, CallbackTable, CallbackContext, ConnectFlags, ConnectionKey)

#uselib "cldapi.dll"
#func global CfConnectSyncRoot "CfConnectSyncRoot" sptr, sptr, sptr, sptr, sptr
; CfConnectSyncRoot SyncRootPath, varptr(CallbackTable), CallbackContext, ConnectFlags, ConnectionKey   ; 戻り値は stat
; SyncRootPath : LPCWSTR -> "sptr"
; CallbackTable : CF_CALLBACK_REGISTRATION* -> "sptr"
; CallbackContext : void* optional -> "sptr"
; ConnectFlags : CF_CONNECT_FLAGS -> "sptr"
; ConnectionKey : CF_CONNECTION_KEY* 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 "cldapi.dll"
#cfunc global CfConnectSyncRoot "CfConnectSyncRoot" wstr, var, sptr, int, int
; res = CfConnectSyncRoot(SyncRootPath, CallbackTable, CallbackContext, ConnectFlags, ConnectionKey)
; SyncRootPath : LPCWSTR -> "wstr"
; CallbackTable : CF_CALLBACK_REGISTRATION* -> "var"
; CallbackContext : void* optional -> "sptr"
; ConnectFlags : CF_CONNECT_FLAGS -> "int"
; ConnectionKey : CF_CONNECTION_KEY* 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 CfConnectSyncRoot(LPCWSTR SyncRootPath, CF_CALLBACK_REGISTRATION* CallbackTable, void* CallbackContext, CF_CONNECT_FLAGS ConnectFlags, CF_CONNECTION_KEY* ConnectionKey)
#uselib "cldapi.dll"
#cfunc global CfConnectSyncRoot "CfConnectSyncRoot" wstr, var, intptr, int, int
; res = CfConnectSyncRoot(SyncRootPath, CallbackTable, CallbackContext, ConnectFlags, ConnectionKey)
; SyncRootPath : LPCWSTR -> "wstr"
; CallbackTable : CF_CALLBACK_REGISTRATION* -> "var"
; CallbackContext : void* optional -> "intptr"
; ConnectFlags : CF_CONNECT_FLAGS -> "int"
; ConnectionKey : CF_CONNECTION_KEY* 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 (
	cldapi = windows.NewLazySystemDLL("cldapi.dll")
	procCfConnectSyncRoot = cldapi.NewProc("CfConnectSyncRoot")
)

// SyncRootPath (LPCWSTR), CallbackTable (CF_CALLBACK_REGISTRATION*), CallbackContext (void* optional), ConnectFlags (CF_CONNECT_FLAGS), ConnectionKey (CF_CONNECTION_KEY* out)
r1, _, err := procCfConnectSyncRoot.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(SyncRootPath))),
	uintptr(CallbackTable),
	uintptr(CallbackContext),
	uintptr(ConnectFlags),
	uintptr(ConnectionKey),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CfConnectSyncRoot(
  SyncRootPath: PWideChar;   // LPCWSTR
  CallbackTable: Pointer;   // CF_CALLBACK_REGISTRATION*
  CallbackContext: Pointer;   // void* optional
  ConnectFlags: Integer;   // CF_CONNECT_FLAGS
  ConnectionKey: Pointer   // CF_CONNECTION_KEY* out
): Integer; stdcall;
  external 'cldapi.dll' name 'CfConnectSyncRoot';

result := DllCall("cldapi\CfConnectSyncRoot"
    , "WStr", SyncRootPath   ; LPCWSTR
    , "Ptr", CallbackTable   ; CF_CALLBACK_REGISTRATION*
    , "Ptr", CallbackContext   ; void* optional
    , "Int", ConnectFlags   ; CF_CONNECT_FLAGS
    , "Ptr", ConnectionKey   ; CF_CONNECTION_KEY* out
    , "Int")   ; return: HRESULT

●CfConnectSyncRoot(SyncRootPath, CallbackTable, CallbackContext, ConnectFlags, ConnectionKey) = DLL("cldapi.dll", "int CfConnectSyncRoot(char*, void*, void*, int, void*)")
# 呼び出し: CfConnectSyncRoot(SyncRootPath, CallbackTable, CallbackContext, ConnectFlags, ConnectionKey)
# SyncRootPath : LPCWSTR -> "char*"
# CallbackTable : CF_CALLBACK_REGISTRATION* -> "void*"
# CallbackContext : void* optional -> "void*"
# ConnectFlags : CF_CONNECT_FLAGS -> "int"
# ConnectionKey : CF_CONNECTION_KEY* 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)。