GdipGetPathGradientCenterPoint

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

Status GdipGetPathGradientCenterPoint(
    GpPathGradient* brush,
    PointF* points
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetPathGradientCenterPoint(
    brush As IntPtr,   ' GpPathGradient* in/out
    points As IntPtr   ' PointF* in/out
) As Integer
End Function

' brush : GpPathGradient* in/out
' points : PointF* in/out
Declare PtrSafe Function GdipGetPathGradientCenterPoint Lib "gdiplus" ( _
    ByVal brush As LongPtr, _
    ByVal points 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

GdipGetPathGradientCenterPoint = ctypes.windll.gdiplus.GdipGetPathGradientCenterPoint
GdipGetPathGradientCenterPoint.restype = ctypes.c_int
GdipGetPathGradientCenterPoint.argtypes = [
    ctypes.c_void_p,  # brush : GpPathGradient* in/out
    ctypes.c_void_p,  # points : PointF* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetPathGradientCenterPoint = Fiddle::Function.new(
  lib['GdipGetPathGradientCenterPoint'],
  [
    Fiddle::TYPE_VOIDP,  # brush : GpPathGradient* in/out
    Fiddle::TYPE_VOIDP,  # points : PointF* in/out
  ],
  Fiddle::TYPE_INT)

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

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

#uselib "gdiplus.dll"
#func global GdipGetPathGradientCenterPoint "GdipGetPathGradientCenterPoint" sptr, sptr
; GdipGetPathGradientCenterPoint varptr(brush), varptr(points)   ; 戻り値は stat
; brush : GpPathGradient* in/out -> "sptr"
; points : PointF* 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 GdipGetPathGradientCenterPoint "GdipGetPathGradientCenterPoint" var, var
; res = GdipGetPathGradientCenterPoint(brush, points)
; brush : GpPathGradient* in/out -> "var"
; points : PointF* 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 GdipGetPathGradientCenterPoint(GpPathGradient* brush, PointF* points)
#uselib "gdiplus.dll"
#cfunc global GdipGetPathGradientCenterPoint "GdipGetPathGradientCenterPoint" var, var
; res = GdipGetPathGradientCenterPoint(brush, points)
; brush : GpPathGradient* in/out -> "var"
; points : PointF* 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")
	procGdipGetPathGradientCenterPoint = gdiplus.NewProc("GdipGetPathGradientCenterPoint")
)

// brush (GpPathGradient* in/out), points (PointF* in/out)
r1, _, err := procGdipGetPathGradientCenterPoint.Call(
	uintptr(brush),
	uintptr(points),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetPathGradientCenterPoint(
  brush: Pointer;   // GpPathGradient* in/out
  points: Pointer   // PointF* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetPathGradientCenterPoint';

result := DllCall("gdiplus\GdipGetPathGradientCenterPoint"
    , "Ptr", brush   ; GpPathGradient* in/out
    , "Ptr", points   ; PointF* in/out
    , "Int")   ; return: Status

●GdipGetPathGradientCenterPoint(brush, points) = DLL("gdiplus.dll", "int GdipGetPathGradientCenterPoint(void*, void*)")
# 呼び出し: GdipGetPathGradientCenterPoint(brush, points)
# brush : GpPathGradient* in/out -> "void*"
# points : PointF* 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)。