GetLocalManagedApplications

// ADVAPI32.dll
#include <windows.h>

DWORD GetLocalManagedApplications(
    BOOL bUserApps,
    DWORD* pdwApps,
    LOCALMANAGEDAPPLICATION** prgLocalApps
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function GetLocalManagedApplications(
    bUserApps As Boolean,   ' BOOL
    <Out> ByRef pdwApps As UInteger,   ' DWORD* out
    prgLocalApps As IntPtr   ' LOCALMANAGEDAPPLICATION** out
) As UInteger
End Function

' bUserApps : BOOL
' pdwApps : DWORD* out
' prgLocalApps : LOCALMANAGEDAPPLICATION** out
Declare PtrSafe Function GetLocalManagedApplications Lib "advapi32" ( _
    ByVal bUserApps As Long, _
    ByRef pdwApps As Long, _
    ByVal prgLocalApps 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

GetLocalManagedApplications = ctypes.windll.advapi32.GetLocalManagedApplications
GetLocalManagedApplications.restype = wintypes.DWORD
GetLocalManagedApplications.argtypes = [
    wintypes.BOOL,  # bUserApps : BOOL
    ctypes.POINTER(wintypes.DWORD),  # pdwApps : DWORD* out
    ctypes.c_void_p,  # prgLocalApps : LOCALMANAGEDAPPLICATION** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
GetLocalManagedApplications = Fiddle::Function.new(
  lib['GetLocalManagedApplications'],
  [
    Fiddle::TYPE_INT,  # bUserApps : BOOL
    Fiddle::TYPE_VOIDP,  # pdwApps : DWORD* out
    Fiddle::TYPE_VOIDP,  # prgLocalApps : LOCALMANAGEDAPPLICATION** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn GetLocalManagedApplications(
        bUserApps: i32,  // BOOL
        pdwApps: *mut u32,  // DWORD* out
        prgLocalApps: *mut *mut LOCALMANAGEDAPPLICATION  // LOCALMANAGEDAPPLICATION** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint GetLocalManagedApplications(bool bUserApps, out uint pdwApps, IntPtr prgLocalApps);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_GetLocalManagedApplications' -Namespace Win32 -PassThru
# $api::GetLocalManagedApplications(bUserApps, pdwApps, prgLocalApps)

#uselib "ADVAPI32.dll"
#func global GetLocalManagedApplications "GetLocalManagedApplications" sptr, sptr, sptr
; GetLocalManagedApplications bUserApps, varptr(pdwApps), varptr(prgLocalApps)   ; 戻り値は stat
; bUserApps : BOOL -> "sptr"
; pdwApps : DWORD* out -> "sptr"
; prgLocalApps : LOCALMANAGEDAPPLICATION** 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 "ADVAPI32.dll"
#cfunc global GetLocalManagedApplications "GetLocalManagedApplications" int, var, var
; res = GetLocalManagedApplications(bUserApps, pdwApps, prgLocalApps)
; bUserApps : BOOL -> "int"
; pdwApps : DWORD* out -> "var"
; prgLocalApps : LOCALMANAGEDAPPLICATION** 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。

; DWORD GetLocalManagedApplications(BOOL bUserApps, DWORD* pdwApps, LOCALMANAGEDAPPLICATION** prgLocalApps)
#uselib "ADVAPI32.dll"
#cfunc global GetLocalManagedApplications "GetLocalManagedApplications" int, var, var
; res = GetLocalManagedApplications(bUserApps, pdwApps, prgLocalApps)
; bUserApps : BOOL -> "int"
; pdwApps : DWORD* out -> "var"
; prgLocalApps : LOCALMANAGEDAPPLICATION** 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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procGetLocalManagedApplications = advapi32.NewProc("GetLocalManagedApplications")
)

// bUserApps (BOOL), pdwApps (DWORD* out), prgLocalApps (LOCALMANAGEDAPPLICATION** out)
r1, _, err := procGetLocalManagedApplications.Call(
	uintptr(bUserApps),
	uintptr(pdwApps),
	uintptr(prgLocalApps),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetLocalManagedApplications(
  bUserApps: BOOL;   // BOOL
  pdwApps: Pointer;   // DWORD* out
  prgLocalApps: Pointer   // LOCALMANAGEDAPPLICATION** out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'GetLocalManagedApplications';

result := DllCall("ADVAPI32\GetLocalManagedApplications"
    , "Int", bUserApps   ; BOOL
    , "Ptr", pdwApps   ; DWORD* out
    , "Ptr", prgLocalApps   ; LOCALMANAGEDAPPLICATION** out
    , "UInt")   ; return: DWORD

●GetLocalManagedApplications(bUserApps, pdwApps, prgLocalApps) = DLL("ADVAPI32.dll", "dword GetLocalManagedApplications(bool, void*, void*)")
# 呼び出し: GetLocalManagedApplications(bUserApps, pdwApps, prgLocalApps)
# bUserApps : BOOL -> "bool"
# pdwApps : DWORD* out -> "void*"
# prgLocalApps : LOCALMANAGEDAPPLICATION** 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)。