GetManagedApplications

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

DWORD GetManagedApplications(
    GUID* pCategory,
    DWORD dwQueryFlags,
    DWORD dwInfoLevel,
    DWORD* pdwApps,
    MANAGEDAPPLICATION** prgManagedApps
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function GetManagedApplications(
    ByRef pCategory As Guid,   ' GUID*
    dwQueryFlags As UInteger,   ' DWORD
    dwInfoLevel As UInteger,   ' DWORD
    <Out> ByRef pdwApps As UInteger,   ' DWORD* out
    prgManagedApps As IntPtr   ' MANAGEDAPPLICATION** out
) As UInteger
End Function

' pCategory : GUID*
' dwQueryFlags : DWORD
' dwInfoLevel : DWORD
' pdwApps : DWORD* out
' prgManagedApps : MANAGEDAPPLICATION** out
Declare PtrSafe Function GetManagedApplications Lib "advapi32" ( _
    ByVal pCategory As LongPtr, _
    ByVal dwQueryFlags As Long, _
    ByVal dwInfoLevel As Long, _
    ByRef pdwApps As Long, _
    ByVal prgManagedApps 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

GetManagedApplications = ctypes.windll.advapi32.GetManagedApplications
GetManagedApplications.restype = wintypes.DWORD
GetManagedApplications.argtypes = [
    ctypes.c_void_p,  # pCategory : GUID*
    wintypes.DWORD,  # dwQueryFlags : DWORD
    wintypes.DWORD,  # dwInfoLevel : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pdwApps : DWORD* out
    ctypes.c_void_p,  # prgManagedApps : MANAGEDAPPLICATION** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
GetManagedApplications = Fiddle::Function.new(
  lib['GetManagedApplications'],
  [
    Fiddle::TYPE_VOIDP,  # pCategory : GUID*
    -Fiddle::TYPE_INT,  # dwQueryFlags : DWORD
    -Fiddle::TYPE_INT,  # dwInfoLevel : DWORD
    Fiddle::TYPE_VOIDP,  # pdwApps : DWORD* out
    Fiddle::TYPE_VOIDP,  # prgManagedApps : MANAGEDAPPLICATION** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn GetManagedApplications(
        pCategory: *mut GUID,  // GUID*
        dwQueryFlags: u32,  // DWORD
        dwInfoLevel: u32,  // DWORD
        pdwApps: *mut u32,  // DWORD* out
        prgManagedApps: *mut *mut MANAGEDAPPLICATION  // MANAGEDAPPLICATION** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint GetManagedApplications(ref Guid pCategory, uint dwQueryFlags, uint dwInfoLevel, out uint pdwApps, IntPtr prgManagedApps);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_GetManagedApplications' -Namespace Win32 -PassThru
# $api::GetManagedApplications(pCategory, dwQueryFlags, dwInfoLevel, pdwApps, prgManagedApps)

#uselib "ADVAPI32.dll"
#func global GetManagedApplications "GetManagedApplications" sptr, sptr, sptr, sptr, sptr
; GetManagedApplications varptr(pCategory), dwQueryFlags, dwInfoLevel, varptr(pdwApps), varptr(prgManagedApps)   ; 戻り値は stat
; pCategory : GUID* -> "sptr"
; dwQueryFlags : DWORD -> "sptr"
; dwInfoLevel : DWORD -> "sptr"
; pdwApps : DWORD* out -> "sptr"
; prgManagedApps : MANAGEDAPPLICATION** 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 GetManagedApplications "GetManagedApplications" var, int, int, var, var
; res = GetManagedApplications(pCategory, dwQueryFlags, dwInfoLevel, pdwApps, prgManagedApps)
; pCategory : GUID* -> "var"
; dwQueryFlags : DWORD -> "int"
; dwInfoLevel : DWORD -> "int"
; pdwApps : DWORD* out -> "var"
; prgManagedApps : MANAGEDAPPLICATION** 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 GetManagedApplications(GUID* pCategory, DWORD dwQueryFlags, DWORD dwInfoLevel, DWORD* pdwApps, MANAGEDAPPLICATION** prgManagedApps)
#uselib "ADVAPI32.dll"
#cfunc global GetManagedApplications "GetManagedApplications" var, int, int, var, var
; res = GetManagedApplications(pCategory, dwQueryFlags, dwInfoLevel, pdwApps, prgManagedApps)
; pCategory : GUID* -> "var"
; dwQueryFlags : DWORD -> "int"
; dwInfoLevel : DWORD -> "int"
; pdwApps : DWORD* out -> "var"
; prgManagedApps : MANAGEDAPPLICATION** 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")
	procGetManagedApplications = advapi32.NewProc("GetManagedApplications")
)

// pCategory (GUID*), dwQueryFlags (DWORD), dwInfoLevel (DWORD), pdwApps (DWORD* out), prgManagedApps (MANAGEDAPPLICATION** out)
r1, _, err := procGetManagedApplications.Call(
	uintptr(pCategory),
	uintptr(dwQueryFlags),
	uintptr(dwInfoLevel),
	uintptr(pdwApps),
	uintptr(prgManagedApps),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetManagedApplications(
  pCategory: PGUID;   // GUID*
  dwQueryFlags: DWORD;   // DWORD
  dwInfoLevel: DWORD;   // DWORD
  pdwApps: Pointer;   // DWORD* out
  prgManagedApps: Pointer   // MANAGEDAPPLICATION** out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'GetManagedApplications';

result := DllCall("ADVAPI32\GetManagedApplications"
    , "Ptr", pCategory   ; GUID*
    , "UInt", dwQueryFlags   ; DWORD
    , "UInt", dwInfoLevel   ; DWORD
    , "Ptr", pdwApps   ; DWORD* out
    , "Ptr", prgManagedApps   ; MANAGEDAPPLICATION** out
    , "UInt")   ; return: DWORD

●GetManagedApplications(pCategory, dwQueryFlags, dwInfoLevel, pdwApps, prgManagedApps) = DLL("ADVAPI32.dll", "dword GetManagedApplications(void*, dword, dword, void*, void*)")
# 呼び出し: GetManagedApplications(pCategory, dwQueryFlags, dwInfoLevel, pdwApps, prgManagedApps)
# pCategory : GUID* -> "void*"
# dwQueryFlags : DWORD -> "dword"
# dwInfoLevel : DWORD -> "dword"
# pdwApps : DWORD* out -> "void*"
# prgManagedApps : MANAGEDAPPLICATION** 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)。