GetPackageFullNameFromToken

// api-ms-win-appmodel-runtime-l1-1-1.dll
#include <windows.h>

WIN32_ERROR GetPackageFullNameFromToken(
    HANDLE token,
    DWORD* packageFullNameLength,
    LPWSTR packageFullName   // optional
);

<DllImport("api-ms-win-appmodel-runtime-l1-1-1.dll", ExactSpelling:=True)>
Public Shared Function GetPackageFullNameFromToken(
    token As IntPtr,   ' HANDLE
    ByRef packageFullNameLength As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> packageFullName As System.Text.StringBuilder   ' LPWSTR optional, out
) As UInteger
End Function

' token : HANDLE
' packageFullNameLength : DWORD* in/out
' packageFullName : LPWSTR optional, out
Declare PtrSafe Function GetPackageFullNameFromToken Lib "api-ms-win-appmodel-runtime-l1-1-1" ( _
    ByVal token As LongPtr, _
    ByRef packageFullNameLength As Long, _
    ByVal packageFullName 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

GetPackageFullNameFromToken = ctypes.windll.LoadLibrary("api-ms-win-appmodel-runtime-l1-1-1.dll").GetPackageFullNameFromToken
GetPackageFullNameFromToken.restype = wintypes.DWORD
GetPackageFullNameFromToken.argtypes = [
    wintypes.HANDLE,  # token : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # packageFullNameLength : DWORD* in/out
    wintypes.LPWSTR,  # packageFullName : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-appmodel-runtime-l1-1-1.dll')
GetPackageFullNameFromToken = Fiddle::Function.new(
  lib['GetPackageFullNameFromToken'],
  [
    Fiddle::TYPE_VOIDP,  # token : HANDLE
    Fiddle::TYPE_VOIDP,  # packageFullNameLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # packageFullName : LPWSTR optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "api-ms-win-appmodel-runtime-l1-1-1")]
extern "system" {
    fn GetPackageFullNameFromToken(
        token: *mut core::ffi::c_void,  // HANDLE
        packageFullNameLength: *mut u32,  // DWORD* in/out
        packageFullName: *mut u16  // LPWSTR optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-appmodel-runtime-l1-1-1.dll")]
public static extern uint GetPackageFullNameFromToken(IntPtr token, ref uint packageFullNameLength, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder packageFullName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-appmodel-runtime-l1-1-1_GetPackageFullNameFromToken' -Namespace Win32 -PassThru
# $api::GetPackageFullNameFromToken(token, packageFullNameLength, packageFullName)

#uselib "api-ms-win-appmodel-runtime-l1-1-1.dll"
#func global GetPackageFullNameFromToken "GetPackageFullNameFromToken" sptr, sptr, sptr
; GetPackageFullNameFromToken token, varptr(packageFullNameLength), varptr(packageFullName)   ; 戻り値は stat
; token : HANDLE -> "sptr"
; packageFullNameLength : DWORD* in/out -> "sptr"
; packageFullName : 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 "api-ms-win-appmodel-runtime-l1-1-1.dll"
#cfunc global GetPackageFullNameFromToken "GetPackageFullNameFromToken" sptr, var, var
; res = GetPackageFullNameFromToken(token, packageFullNameLength, packageFullName)
; token : HANDLE -> "sptr"
; packageFullNameLength : DWORD* in/out -> "var"
; packageFullName : 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 GetPackageFullNameFromToken(HANDLE token, DWORD* packageFullNameLength, LPWSTR packageFullName)
#uselib "api-ms-win-appmodel-runtime-l1-1-1.dll"
#cfunc global GetPackageFullNameFromToken "GetPackageFullNameFromToken" intptr, var, var
; res = GetPackageFullNameFromToken(token, packageFullNameLength, packageFullName)
; token : HANDLE -> "intptr"
; packageFullNameLength : DWORD* in/out -> "var"
; packageFullName : 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 (
	api_ms_win_appmodel_runtime_l1_1_1 = windows.NewLazySystemDLL("api-ms-win-appmodel-runtime-l1-1-1.dll")
	procGetPackageFullNameFromToken = api_ms_win_appmodel_runtime_l1_1_1.NewProc("GetPackageFullNameFromToken")
)

// token (HANDLE), packageFullNameLength (DWORD* in/out), packageFullName (LPWSTR optional, out)
r1, _, err := procGetPackageFullNameFromToken.Call(
	uintptr(token),
	uintptr(packageFullNameLength),
	uintptr(packageFullName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetPackageFullNameFromToken(
  token: THandle;   // HANDLE
  packageFullNameLength: Pointer;   // DWORD* in/out
  packageFullName: PWideChar   // LPWSTR optional, out
): DWORD; stdcall;
  external 'api-ms-win-appmodel-runtime-l1-1-1.dll' name 'GetPackageFullNameFromToken';

result := DllCall("api-ms-win-appmodel-runtime-l1-1-1\GetPackageFullNameFromToken"
    , "Ptr", token   ; HANDLE
    , "Ptr", packageFullNameLength   ; DWORD* in/out
    , "Ptr", packageFullName   ; LPWSTR optional, out
    , "UInt")   ; return: WIN32_ERROR

●GetPackageFullNameFromToken(token, packageFullNameLength, packageFullName) = DLL("api-ms-win-appmodel-runtime-l1-1-1.dll", "dword GetPackageFullNameFromToken(void*, void*, char*)")
# 呼び出し: GetPackageFullNameFromToken(token, packageFullNameLength, packageFullName)
# token : HANDLE -> "void*"
# packageFullNameLength : DWORD* in/out -> "void*"
# packageFullName : 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)。