ResUtilsDeleteKeyTree

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

DWORD ResUtilsDeleteKeyTree(
    HKEY key,
    LPCWSTR keyName,
    BOOL treatNoKeyAsError
);

<DllImport("RESUTILS.dll", ExactSpelling:=True)>
Public Shared Function ResUtilsDeleteKeyTree(
    key As IntPtr,   ' HKEY
    <MarshalAs(UnmanagedType.LPWStr)> keyName As String,   ' LPCWSTR
    treatNoKeyAsError As Boolean   ' BOOL
) As UInteger
End Function

' key : HKEY
' keyName : LPCWSTR
' treatNoKeyAsError : BOOL
Declare PtrSafe Function ResUtilsDeleteKeyTree Lib "resutils" ( _
    ByVal key As LongPtr, _
    ByVal keyName As LongPtr, _
    ByVal treatNoKeyAsError 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

ResUtilsDeleteKeyTree = ctypes.windll.resutils.ResUtilsDeleteKeyTree
ResUtilsDeleteKeyTree.restype = wintypes.DWORD
ResUtilsDeleteKeyTree.argtypes = [
    wintypes.HANDLE,  # key : HKEY
    wintypes.LPCWSTR,  # keyName : LPCWSTR
    wintypes.BOOL,  # treatNoKeyAsError : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RESUTILS.dll')
ResUtilsDeleteKeyTree = Fiddle::Function.new(
  lib['ResUtilsDeleteKeyTree'],
  [
    Fiddle::TYPE_VOIDP,  # key : HKEY
    Fiddle::TYPE_VOIDP,  # keyName : LPCWSTR
    Fiddle::TYPE_INT,  # treatNoKeyAsError : BOOL
  ],
  -Fiddle::TYPE_INT)

#[link(name = "resutils")]
extern "system" {
    fn ResUtilsDeleteKeyTree(
        key: *mut core::ffi::c_void,  // HKEY
        keyName: *const u16,  // LPCWSTR
        treatNoKeyAsError: i32  // BOOL
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RESUTILS.dll")]
public static extern uint ResUtilsDeleteKeyTree(IntPtr key, [MarshalAs(UnmanagedType.LPWStr)] string keyName, bool treatNoKeyAsError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RESUTILS_ResUtilsDeleteKeyTree' -Namespace Win32 -PassThru
# $api::ResUtilsDeleteKeyTree(key, keyName, treatNoKeyAsError)

#uselib "RESUTILS.dll"
#func global ResUtilsDeleteKeyTree "ResUtilsDeleteKeyTree" sptr, sptr, sptr
; ResUtilsDeleteKeyTree key, keyName, treatNoKeyAsError   ; 戻り値は stat
; key : HKEY -> "sptr"
; keyName : LPCWSTR -> "sptr"
; treatNoKeyAsError : 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 "RESUTILS.dll"
#cfunc global ResUtilsDeleteKeyTree "ResUtilsDeleteKeyTree" sptr, wstr, int
; res = ResUtilsDeleteKeyTree(key, keyName, treatNoKeyAsError)
; key : HKEY -> "sptr"
; keyName : LPCWSTR -> "wstr"
; treatNoKeyAsError : BOOL -> "int"

; DWORD ResUtilsDeleteKeyTree(HKEY key, LPCWSTR keyName, BOOL treatNoKeyAsError)
#uselib "RESUTILS.dll"
#cfunc global ResUtilsDeleteKeyTree "ResUtilsDeleteKeyTree" intptr, wstr, int
; res = ResUtilsDeleteKeyTree(key, keyName, treatNoKeyAsError)
; key : HKEY -> "intptr"
; keyName : LPCWSTR -> "wstr"
; treatNoKeyAsError : BOOL -> "int"

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

var (
	resutils = windows.NewLazySystemDLL("RESUTILS.dll")
	procResUtilsDeleteKeyTree = resutils.NewProc("ResUtilsDeleteKeyTree")
)

// key (HKEY), keyName (LPCWSTR), treatNoKeyAsError (BOOL)
r1, _, err := procResUtilsDeleteKeyTree.Call(
	uintptr(key),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(keyName))),
	uintptr(treatNoKeyAsError),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ResUtilsDeleteKeyTree(
  key: THandle;   // HKEY
  keyName: PWideChar;   // LPCWSTR
  treatNoKeyAsError: BOOL   // BOOL
): DWORD; stdcall;
  external 'RESUTILS.dll' name 'ResUtilsDeleteKeyTree';

result := DllCall("RESUTILS\ResUtilsDeleteKeyTree"
    , "Ptr", key   ; HKEY
    , "WStr", keyName   ; LPCWSTR
    , "Int", treatNoKeyAsError   ; BOOL
    , "UInt")   ; return: DWORD

●ResUtilsDeleteKeyTree(key, keyName, treatNoKeyAsError) = DLL("RESUTILS.dll", "dword ResUtilsDeleteKeyTree(void*, char*, bool)")
# 呼び出し: ResUtilsDeleteKeyTree(key, keyName, treatNoKeyAsError)
# key : HKEY -> "void*"
# keyName : LPCWSTR -> "char*"
# treatNoKeyAsError : 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)。