GetThemeSysFont

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

HRESULT GetThemeSysFont(
    HTHEME hTheme,   // optional
    INT iFontId,
    LOGFONTW* plf
);

<DllImport("UxTheme.dll", ExactSpelling:=True)>
Public Shared Function GetThemeSysFont(
    hTheme As IntPtr,   ' HTHEME optional
    iFontId As Integer,   ' INT
    plf As IntPtr   ' LOGFONTW* out
) As Integer
End Function

' hTheme : HTHEME optional
' iFontId : INT
' plf : LOGFONTW* out
Declare PtrSafe Function GetThemeSysFont Lib "uxtheme" ( _
    ByVal hTheme As LongPtr, _
    ByVal iFontId As Long, _
    ByVal plf 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

GetThemeSysFont = ctypes.windll.uxtheme.GetThemeSysFont
GetThemeSysFont.restype = ctypes.c_int
GetThemeSysFont.argtypes = [
    ctypes.c_ssize_t,  # hTheme : HTHEME optional
    ctypes.c_int,  # iFontId : INT
    ctypes.c_void_p,  # plf : LOGFONTW* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('UxTheme.dll')
GetThemeSysFont = Fiddle::Function.new(
  lib['GetThemeSysFont'],
  [
    Fiddle::TYPE_INTPTR_T,  # hTheme : HTHEME optional
    Fiddle::TYPE_INT,  # iFontId : INT
    Fiddle::TYPE_VOIDP,  # plf : LOGFONTW* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "uxtheme")]
extern "system" {
    fn GetThemeSysFont(
        hTheme: isize,  // HTHEME optional
        iFontId: i32,  // INT
        plf: *mut LOGFONTW  // LOGFONTW* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("UxTheme.dll")]
public static extern int GetThemeSysFont(IntPtr hTheme, int iFontId, IntPtr plf);
"@
$api = Add-Type -MemberDefinition $sig -Name 'UxTheme_GetThemeSysFont' -Namespace Win32 -PassThru
# $api::GetThemeSysFont(hTheme, iFontId, plf)

#uselib "UxTheme.dll"
#func global GetThemeSysFont "GetThemeSysFont" sptr, sptr, sptr
; GetThemeSysFont hTheme, iFontId, varptr(plf)   ; 戻り値は stat
; hTheme : HTHEME optional -> "sptr"
; iFontId : INT -> "sptr"
; plf : LOGFONTW* 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 "UxTheme.dll"
#cfunc global GetThemeSysFont "GetThemeSysFont" sptr, int, var
; res = GetThemeSysFont(hTheme, iFontId, plf)
; hTheme : HTHEME optional -> "sptr"
; iFontId : INT -> "int"
; plf : LOGFONTW* 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。

; HRESULT GetThemeSysFont(HTHEME hTheme, INT iFontId, LOGFONTW* plf)
#uselib "UxTheme.dll"
#cfunc global GetThemeSysFont "GetThemeSysFont" intptr, int, var
; res = GetThemeSysFont(hTheme, iFontId, plf)
; hTheme : HTHEME optional -> "intptr"
; iFontId : INT -> "int"
; plf : LOGFONTW* 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 (
	uxtheme = windows.NewLazySystemDLL("UxTheme.dll")
	procGetThemeSysFont = uxtheme.NewProc("GetThemeSysFont")
)

// hTheme (HTHEME optional), iFontId (INT), plf (LOGFONTW* out)
r1, _, err := procGetThemeSysFont.Call(
	uintptr(hTheme),
	uintptr(iFontId),
	uintptr(plf),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetThemeSysFont(
  hTheme: NativeInt;   // HTHEME optional
  iFontId: Integer;   // INT
  plf: Pointer   // LOGFONTW* out
): Integer; stdcall;
  external 'UxTheme.dll' name 'GetThemeSysFont';

result := DllCall("UxTheme\GetThemeSysFont"
    , "Ptr", hTheme   ; HTHEME optional
    , "Int", iFontId   ; INT
    , "Ptr", plf   ; LOGFONTW* out
    , "Int")   ; return: HRESULT

●GetThemeSysFont(hTheme, iFontId, plf) = DLL("UxTheme.dll", "int GetThemeSysFont(int, int, void*)")
# 呼び出し: GetThemeSysFont(hTheme, iFontId, plf)
# hTheme : HTHEME optional -> "int"
# iFontId : INT -> "int"
# plf : LOGFONTW* 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)。