GetPackagesByPackageFamily

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

WIN32_ERROR GetPackagesByPackageFamily(
    LPCWSTR packageFamilyName,
    DWORD* count,
    LPWSTR* packageFullNames,   // optional
    DWORD* bufferLength,
    LPWSTR buffer   // optional
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function GetPackagesByPackageFamily(
    <MarshalAs(UnmanagedType.LPWStr)> packageFamilyName As String,   ' LPCWSTR
    ByRef count As UInteger,   ' DWORD* in/out
    packageFullNames As IntPtr,   ' LPWSTR* optional, out
    ByRef bufferLength As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> buffer As System.Text.StringBuilder   ' LPWSTR optional, out
) As UInteger
End Function

' packageFamilyName : LPCWSTR
' count : DWORD* in/out
' packageFullNames : LPWSTR* optional, out
' bufferLength : DWORD* in/out
' buffer : LPWSTR optional, out
Declare PtrSafe Function GetPackagesByPackageFamily Lib "kernel32" ( _
    ByVal packageFamilyName As LongPtr, _
    ByRef count As Long, _
    ByVal packageFullNames As LongPtr, _
    ByRef bufferLength As Long, _
    ByVal buffer 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

GetPackagesByPackageFamily = ctypes.windll.kernel32.GetPackagesByPackageFamily
GetPackagesByPackageFamily.restype = wintypes.DWORD
GetPackagesByPackageFamily.argtypes = [
    wintypes.LPCWSTR,  # packageFamilyName : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # count : DWORD* in/out
    ctypes.c_void_p,  # packageFullNames : LPWSTR* optional, out
    ctypes.POINTER(wintypes.DWORD),  # bufferLength : DWORD* in/out
    wintypes.LPWSTR,  # buffer : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetPackagesByPackageFamily = Fiddle::Function.new(
  lib['GetPackagesByPackageFamily'],
  [
    Fiddle::TYPE_VOIDP,  # packageFamilyName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # count : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # packageFullNames : LPWSTR* optional, out
    Fiddle::TYPE_VOIDP,  # bufferLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # buffer : LPWSTR optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetPackagesByPackageFamily(
        packageFamilyName: *const u16,  // LPCWSTR
        count: *mut u32,  // DWORD* in/out
        packageFullNames: *mut *mut u16,  // LPWSTR* optional, out
        bufferLength: *mut u32,  // DWORD* in/out
        buffer: *mut u16  // LPWSTR optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern uint GetPackagesByPackageFamily([MarshalAs(UnmanagedType.LPWStr)] string packageFamilyName, ref uint count, IntPtr packageFullNames, ref uint bufferLength, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder buffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetPackagesByPackageFamily' -Namespace Win32 -PassThru
# $api::GetPackagesByPackageFamily(packageFamilyName, count, packageFullNames, bufferLength, buffer)

#uselib "KERNEL32.dll"
#func global GetPackagesByPackageFamily "GetPackagesByPackageFamily" sptr, sptr, sptr, sptr, sptr
; GetPackagesByPackageFamily packageFamilyName, varptr(count), varptr(packageFullNames), varptr(bufferLength), varptr(buffer)   ; 戻り値は stat
; packageFamilyName : LPCWSTR -> "sptr"
; count : DWORD* in/out -> "sptr"
; packageFullNames : LPWSTR* optional, out -> "sptr"
; bufferLength : DWORD* in/out -> "sptr"
; buffer : LPWSTR optional, 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 GetPackagesByPackageFamily "GetPackagesByPackageFamily" wstr, var, var, var, var
; res = GetPackagesByPackageFamily(packageFamilyName, count, packageFullNames, bufferLength, buffer)
; packageFamilyName : LPCWSTR -> "wstr"
; count : DWORD* in/out -> "var"
; packageFullNames : LPWSTR* optional, out -> "var"
; bufferLength : DWORD* in/out -> "var"
; buffer : LPWSTR optional, 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 GetPackagesByPackageFamily(LPCWSTR packageFamilyName, DWORD* count, LPWSTR* packageFullNames, DWORD* bufferLength, LPWSTR buffer)
#uselib "KERNEL32.dll"
#cfunc global GetPackagesByPackageFamily "GetPackagesByPackageFamily" wstr, var, var, var, var
; res = GetPackagesByPackageFamily(packageFamilyName, count, packageFullNames, bufferLength, buffer)
; packageFamilyName : LPCWSTR -> "wstr"
; count : DWORD* in/out -> "var"
; packageFullNames : LPWSTR* optional, out -> "var"
; bufferLength : DWORD* in/out -> "var"
; buffer : LPWSTR optional, 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")
	procGetPackagesByPackageFamily = kernel32.NewProc("GetPackagesByPackageFamily")
)

// packageFamilyName (LPCWSTR), count (DWORD* in/out), packageFullNames (LPWSTR* optional, out), bufferLength (DWORD* in/out), buffer (LPWSTR optional, out)
r1, _, err := procGetPackagesByPackageFamily.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(packageFamilyName))),
	uintptr(count),
	uintptr(packageFullNames),
	uintptr(bufferLength),
	uintptr(buffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetPackagesByPackageFamily(
  packageFamilyName: PWideChar;   // LPCWSTR
  count: Pointer;   // DWORD* in/out
  packageFullNames: PPWideChar;   // LPWSTR* optional, out
  bufferLength: Pointer;   // DWORD* in/out
  buffer: PWideChar   // LPWSTR optional, out
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetPackagesByPackageFamily';

result := DllCall("KERNEL32\GetPackagesByPackageFamily"
    , "WStr", packageFamilyName   ; LPCWSTR
    , "Ptr", count   ; DWORD* in/out
    , "Ptr", packageFullNames   ; LPWSTR* optional, out
    , "Ptr", bufferLength   ; DWORD* in/out
    , "Ptr", buffer   ; LPWSTR optional, out
    , "UInt")   ; return: WIN32_ERROR

●GetPackagesByPackageFamily(packageFamilyName, count, packageFullNames, bufferLength, buffer) = DLL("KERNEL32.dll", "dword GetPackagesByPackageFamily(char*, void*, void*, void*, char*)")
# 呼び出し: GetPackagesByPackageFamily(packageFamilyName, count, packageFullNames, bufferLength, buffer)
# packageFamilyName : LPCWSTR -> "char*"
# count : DWORD* in/out -> "void*"
# packageFullNames : LPWSTR* optional, out -> "void*"
# bufferLength : DWORD* in/out -> "void*"
# buffer : LPWSTR optional, out -> "char*"
# 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)。