GdipSetPathGradientCenterPoint

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

Status GdipSetPathGradientCenterPoint(
    GpPathGradient* brush,
    const PointF* points
);

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

' brush : GpPathGradient* in/out
' points : PointF*
Declare PtrSafe Function GdipSetPathGradientCenterPoint 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

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

require 'fiddle'
require 'fiddle/import'

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

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

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

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

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

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

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

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