GdipGetLineRect

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

Status GdipGetLineRect(
    GpLineGradient* brush,
    RectF* rect
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetLineRect(
    brush As IntPtr,   ' GpLineGradient* in/out
    rect As IntPtr   ' RectF* in/out
) As Integer
End Function

' brush : GpLineGradient* in/out
' rect : RectF* in/out
Declare PtrSafe Function GdipGetLineRect Lib "gdiplus" ( _
    ByVal brush As LongPtr, _
    ByVal rect 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

GdipGetLineRect = ctypes.windll.gdiplus.GdipGetLineRect
GdipGetLineRect.restype = ctypes.c_int
GdipGetLineRect.argtypes = [
    ctypes.c_void_p,  # brush : GpLineGradient* in/out
    ctypes.c_void_p,  # rect : RectF* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetLineRect = Fiddle::Function.new(
  lib['GdipGetLineRect'],
  [
    Fiddle::TYPE_VOIDP,  # brush : GpLineGradient* in/out
    Fiddle::TYPE_VOIDP,  # rect : RectF* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetLineRect(
        brush: *mut GpLineGradient,  // GpLineGradient* in/out
        rect: *mut RectF  // RectF* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetLineRect(IntPtr brush, IntPtr rect);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetLineRect' -Namespace Win32 -PassThru
# $api::GdipGetLineRect(brush, rect)

#uselib "gdiplus.dll"
#func global GdipGetLineRect "GdipGetLineRect" sptr, sptr
; GdipGetLineRect varptr(brush), varptr(rect)   ; 戻り値は stat
; brush : GpLineGradient* in/out -> "sptr"
; rect : RectF* 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 GdipGetLineRect "GdipGetLineRect" var, var
; res = GdipGetLineRect(brush, rect)
; brush : GpLineGradient* in/out -> "var"
; rect : RectF* 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 GdipGetLineRect(GpLineGradient* brush, RectF* rect)
#uselib "gdiplus.dll"
#cfunc global GdipGetLineRect "GdipGetLineRect" var, var
; res = GdipGetLineRect(brush, rect)
; brush : GpLineGradient* in/out -> "var"
; rect : RectF* 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")
	procGdipGetLineRect = gdiplus.NewProc("GdipGetLineRect")
)

// brush (GpLineGradient* in/out), rect (RectF* in/out)
r1, _, err := procGdipGetLineRect.Call(
	uintptr(brush),
	uintptr(rect),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetLineRect(
  brush: Pointer;   // GpLineGradient* in/out
  rect: Pointer   // RectF* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetLineRect';

result := DllCall("gdiplus\GdipGetLineRect"
    , "Ptr", brush   ; GpLineGradient* in/out
    , "Ptr", rect   ; RectF* in/out
    , "Int")   ; return: Status

●GdipGetLineRect(brush, rect) = DLL("gdiplus.dll", "int GdipGetLineRect(void*, void*)")
# 呼び出し: GdipGetLineRect(brush, rect)
# brush : GpLineGradient* in/out -> "void*"
# rect : RectF* 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)。