GdipGetCustomLineCapBaseInset

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

Status GdipGetCustomLineCapBaseInset(
    GpCustomLineCap* customCap,
    FLOAT* inset
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetCustomLineCapBaseInset(
    customCap As IntPtr,   ' GpCustomLineCap* in/out
    ByRef inset As Single   ' FLOAT* in/out
) As Integer
End Function

' customCap : GpCustomLineCap* in/out
' inset : FLOAT* in/out
Declare PtrSafe Function GdipGetCustomLineCapBaseInset Lib "gdiplus" ( _
    ByVal customCap As LongPtr, _
    ByRef inset As Single) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipGetCustomLineCapBaseInset = ctypes.windll.gdiplus.GdipGetCustomLineCapBaseInset
GdipGetCustomLineCapBaseInset.restype = ctypes.c_int
GdipGetCustomLineCapBaseInset.argtypes = [
    ctypes.c_void_p,  # customCap : GpCustomLineCap* in/out
    ctypes.POINTER(ctypes.c_float),  # inset : FLOAT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetCustomLineCapBaseInset = Fiddle::Function.new(
  lib['GdipGetCustomLineCapBaseInset'],
  [
    Fiddle::TYPE_VOIDP,  # customCap : GpCustomLineCap* in/out
    Fiddle::TYPE_VOIDP,  # inset : FLOAT* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetCustomLineCapBaseInset(
        customCap: *mut GpCustomLineCap,  // GpCustomLineCap* in/out
        inset: *mut f32  // FLOAT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetCustomLineCapBaseInset(IntPtr customCap, ref float inset);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetCustomLineCapBaseInset' -Namespace Win32 -PassThru
# $api::GdipGetCustomLineCapBaseInset(customCap, inset)

#uselib "gdiplus.dll"
#func global GdipGetCustomLineCapBaseInset "GdipGetCustomLineCapBaseInset" sptr, sptr
; GdipGetCustomLineCapBaseInset varptr(customCap), varptr(inset)   ; 戻り値は stat
; customCap : GpCustomLineCap* in/out -> "sptr"
; inset : FLOAT* in/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 "gdiplus.dll"
#cfunc global GdipGetCustomLineCapBaseInset "GdipGetCustomLineCapBaseInset" var, var
; res = GdipGetCustomLineCapBaseInset(customCap, inset)
; customCap : GpCustomLineCap* in/out -> "var"
; inset : FLOAT* in/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。

; Status GdipGetCustomLineCapBaseInset(GpCustomLineCap* customCap, FLOAT* inset)
#uselib "gdiplus.dll"
#cfunc global GdipGetCustomLineCapBaseInset "GdipGetCustomLineCapBaseInset" var, var
; res = GdipGetCustomLineCapBaseInset(customCap, inset)
; customCap : GpCustomLineCap* in/out -> "var"
; inset : FLOAT* in/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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipGetCustomLineCapBaseInset = gdiplus.NewProc("GdipGetCustomLineCapBaseInset")
)

// customCap (GpCustomLineCap* in/out), inset (FLOAT* in/out)
r1, _, err := procGdipGetCustomLineCapBaseInset.Call(
	uintptr(customCap),
	uintptr(inset),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetCustomLineCapBaseInset(
  customCap: Pointer;   // GpCustomLineCap* in/out
  inset: Pointer   // FLOAT* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetCustomLineCapBaseInset';

result := DllCall("gdiplus\GdipGetCustomLineCapBaseInset"
    , "Ptr", customCap   ; GpCustomLineCap* in/out
    , "Ptr", inset   ; FLOAT* in/out
    , "Int")   ; return: Status

●GdipGetCustomLineCapBaseInset(customCap, inset) = DLL("gdiplus.dll", "int GdipGetCustomLineCapBaseInset(void*, void*)")
# 呼び出し: GdipGetCustomLineCapBaseInset(customCap, inset)
# customCap : GpCustomLineCap* in/out -> "void*"
# inset : FLOAT* in/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)。