OpenPackageInfoByFullName

// KERNEL32.dll
#include <windows.h>

WIN32_ERROR OpenPackageInfoByFullName(
    LPCWSTR packageFullName,
    DWORD reserved,   // optional
    _PACKAGE_INFO_REFERENCE** packageInfoReference
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function OpenPackageInfoByFullName(
    <MarshalAs(UnmanagedType.LPWStr)> packageFullName As String,   ' LPCWSTR
    reserved As UInteger,   ' DWORD optional
    packageInfoReference As IntPtr   ' _PACKAGE_INFO_REFERENCE** out
) As UInteger
End Function

' packageFullName : LPCWSTR
' reserved : DWORD optional
' packageInfoReference : _PACKAGE_INFO_REFERENCE** out
Declare PtrSafe Function OpenPackageInfoByFullName Lib "kernel32" ( _
    ByVal packageFullName As LongPtr, _
    ByVal reserved As Long, _
    ByVal packageInfoReference 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

OpenPackageInfoByFullName = ctypes.windll.kernel32.OpenPackageInfoByFullName
OpenPackageInfoByFullName.restype = wintypes.DWORD
OpenPackageInfoByFullName.argtypes = [
    wintypes.LPCWSTR,  # packageFullName : LPCWSTR
    wintypes.DWORD,  # reserved : DWORD optional
    ctypes.c_void_p,  # packageInfoReference : _PACKAGE_INFO_REFERENCE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
OpenPackageInfoByFullName = Fiddle::Function.new(
  lib['OpenPackageInfoByFullName'],
  [
    Fiddle::TYPE_VOIDP,  # packageFullName : LPCWSTR
    -Fiddle::TYPE_INT,  # reserved : DWORD optional
    Fiddle::TYPE_VOIDP,  # packageInfoReference : _PACKAGE_INFO_REFERENCE** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn OpenPackageInfoByFullName(
        packageFullName: *const u16,  // LPCWSTR
        reserved: u32,  // DWORD optional
        packageInfoReference: *mut *mut _PACKAGE_INFO_REFERENCE  // _PACKAGE_INFO_REFERENCE** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern uint OpenPackageInfoByFullName([MarshalAs(UnmanagedType.LPWStr)] string packageFullName, uint reserved, IntPtr packageInfoReference);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_OpenPackageInfoByFullName' -Namespace Win32 -PassThru
# $api::OpenPackageInfoByFullName(packageFullName, reserved, packageInfoReference)

#uselib "KERNEL32.dll"
#func global OpenPackageInfoByFullName "OpenPackageInfoByFullName" sptr, sptr, sptr
; OpenPackageInfoByFullName packageFullName, reserved, varptr(packageInfoReference)   ; 戻り値は stat
; packageFullName : LPCWSTR -> "sptr"
; reserved : DWORD optional -> "sptr"
; packageInfoReference : _PACKAGE_INFO_REFERENCE** 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 "KERNEL32.dll"
#cfunc global OpenPackageInfoByFullName "OpenPackageInfoByFullName" wstr, int, var
; res = OpenPackageInfoByFullName(packageFullName, reserved, packageInfoReference)
; packageFullName : LPCWSTR -> "wstr"
; reserved : DWORD optional -> "int"
; packageInfoReference : _PACKAGE_INFO_REFERENCE** 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。

; WIN32_ERROR OpenPackageInfoByFullName(LPCWSTR packageFullName, DWORD reserved, _PACKAGE_INFO_REFERENCE** packageInfoReference)
#uselib "KERNEL32.dll"
#cfunc global OpenPackageInfoByFullName "OpenPackageInfoByFullName" wstr, int, var
; res = OpenPackageInfoByFullName(packageFullName, reserved, packageInfoReference)
; packageFullName : LPCWSTR -> "wstr"
; reserved : DWORD optional -> "int"
; packageInfoReference : _PACKAGE_INFO_REFERENCE** 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procOpenPackageInfoByFullName = kernel32.NewProc("OpenPackageInfoByFullName")
)

// packageFullName (LPCWSTR), reserved (DWORD optional), packageInfoReference (_PACKAGE_INFO_REFERENCE** out)
r1, _, err := procOpenPackageInfoByFullName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(packageFullName))),
	uintptr(reserved),
	uintptr(packageInfoReference),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function OpenPackageInfoByFullName(
  packageFullName: PWideChar;   // LPCWSTR
  reserved: DWORD;   // DWORD optional
  packageInfoReference: Pointer   // _PACKAGE_INFO_REFERENCE** out
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'OpenPackageInfoByFullName';

result := DllCall("KERNEL32\OpenPackageInfoByFullName"
    , "WStr", packageFullName   ; LPCWSTR
    , "UInt", reserved   ; DWORD optional
    , "Ptr", packageInfoReference   ; _PACKAGE_INFO_REFERENCE** out
    , "UInt")   ; return: WIN32_ERROR

●OpenPackageInfoByFullName(packageFullName, reserved, packageInfoReference) = DLL("KERNEL32.dll", "dword OpenPackageInfoByFullName(char*, dword, void*)")
# 呼び出し: OpenPackageInfoByFullName(packageFullName, reserved, packageInfoReference)
# packageFullName : LPCWSTR -> "char*"
# reserved : DWORD optional -> "dword"
# packageInfoReference : _PACKAGE_INFO_REFERENCE** 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)。