GdipGetFamilyName

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

Status GdipGetFamilyName(
    const GpFontFamily* family,
    LPWSTR name,
    WORD language
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetFamilyName(
    family As IntPtr,   ' GpFontFamily*
    <MarshalAs(UnmanagedType.LPWStr)> name As System.Text.StringBuilder,   ' LPWSTR out
    language As UShort   ' WORD
) As Integer
End Function

' family : GpFontFamily*
' name : LPWSTR out
' language : WORD
Declare PtrSafe Function GdipGetFamilyName Lib "gdiplus" ( _
    ByVal family As LongPtr, _
    ByVal name As LongPtr, _
    ByVal language As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipGetFamilyName = ctypes.windll.gdiplus.GdipGetFamilyName
GdipGetFamilyName.restype = ctypes.c_int
GdipGetFamilyName.argtypes = [
    ctypes.c_void_p,  # family : GpFontFamily*
    wintypes.LPWSTR,  # name : LPWSTR out
    ctypes.c_ushort,  # language : WORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetFamilyName = Fiddle::Function.new(
  lib['GdipGetFamilyName'],
  [
    Fiddle::TYPE_VOIDP,  # family : GpFontFamily*
    Fiddle::TYPE_VOIDP,  # name : LPWSTR out
    -Fiddle::TYPE_SHORT,  # language : WORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetFamilyName(
        family: *const GpFontFamily,  // GpFontFamily*
        name: *mut u16,  // LPWSTR out
        language: u16  // WORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetFamilyName(IntPtr family, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder name, ushort language);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetFamilyName' -Namespace Win32 -PassThru
# $api::GdipGetFamilyName(family, name, language)

#uselib "gdiplus.dll"
#func global GdipGetFamilyName "GdipGetFamilyName" sptr, sptr, sptr
; GdipGetFamilyName varptr(family), varptr(name), language   ; 戻り値は stat
; family : GpFontFamily* -> "sptr"
; name : LPWSTR out -> "sptr"
; language : WORD -> "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 "gdiplus.dll"
#cfunc global GdipGetFamilyName "GdipGetFamilyName" var, var, int
; res = GdipGetFamilyName(family, name, language)
; family : GpFontFamily* -> "var"
; name : LPWSTR out -> "var"
; language : WORD -> "int"
; ※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。

; Status GdipGetFamilyName(GpFontFamily* family, LPWSTR name, WORD language)
#uselib "gdiplus.dll"
#cfunc global GdipGetFamilyName "GdipGetFamilyName" var, var, int
; res = GdipGetFamilyName(family, name, language)
; family : GpFontFamily* -> "var"
; name : LPWSTR out -> "var"
; language : WORD -> "int"
; ※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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipGetFamilyName = gdiplus.NewProc("GdipGetFamilyName")
)

// family (GpFontFamily*), name (LPWSTR out), language (WORD)
r1, _, err := procGdipGetFamilyName.Call(
	uintptr(family),
	uintptr(name),
	uintptr(language),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetFamilyName(
  family: Pointer;   // GpFontFamily*
  name: PWideChar;   // LPWSTR out
  language: Word   // WORD
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetFamilyName';

result := DllCall("gdiplus\GdipGetFamilyName"
    , "Ptr", family   ; GpFontFamily*
    , "Ptr", name   ; LPWSTR out
    , "UShort", language   ; WORD
    , "Int")   ; return: Status

●GdipGetFamilyName(family, name, language) = DLL("gdiplus.dll", "int GdipGetFamilyName(void*, char*, int)")
# 呼び出し: GdipGetFamilyName(family, name, language)
# family : GpFontFamily* -> "void*"
# name : LPWSTR out -> "char*"
# language : WORD -> "int"
# 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)。