GdipGetVisibleClipBounds

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

Status GdipGetVisibleClipBounds(
    GpGraphics* graphics,
    RectF* rect
);

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

' graphics : GpGraphics* in/out
' rect : RectF* in/out
Declare PtrSafe Function GdipGetVisibleClipBounds Lib "gdiplus" ( _
    ByVal graphics 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

GdipGetVisibleClipBounds = ctypes.windll.gdiplus.GdipGetVisibleClipBounds
GdipGetVisibleClipBounds.restype = ctypes.c_int
GdipGetVisibleClipBounds.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
    ctypes.c_void_p,  # rect : RectF* in/out
]

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetVisibleClipBounds(
        graphics: *mut GpGraphics,  // GpGraphics* 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 GdipGetVisibleClipBounds(IntPtr graphics, IntPtr rect);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetVisibleClipBounds' -Namespace Win32 -PassThru
# $api::GdipGetVisibleClipBounds(graphics, rect)

#uselib "gdiplus.dll"
#func global GdipGetVisibleClipBounds "GdipGetVisibleClipBounds" sptr, sptr
; GdipGetVisibleClipBounds varptr(graphics), varptr(rect)   ; 戻り値は stat
; graphics : GpGraphics* 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 GdipGetVisibleClipBounds "GdipGetVisibleClipBounds" var, var
; res = GdipGetVisibleClipBounds(graphics, rect)
; graphics : GpGraphics* 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 GdipGetVisibleClipBounds(GpGraphics* graphics, RectF* rect)
#uselib "gdiplus.dll"
#cfunc global GdipGetVisibleClipBounds "GdipGetVisibleClipBounds" var, var
; res = GdipGetVisibleClipBounds(graphics, rect)
; graphics : GpGraphics* 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")
	procGdipGetVisibleClipBounds = gdiplus.NewProc("GdipGetVisibleClipBounds")
)

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

function GdipGetVisibleClipBounds(
  graphics: Pointer;   // GpGraphics* in/out
  rect: Pointer   // RectF* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetVisibleClipBounds';

result := DllCall("gdiplus\GdipGetVisibleClipBounds"
    , "Ptr", graphics   ; GpGraphics* in/out
    , "Ptr", rect   ; RectF* in/out
    , "Int")   ; return: Status

●GdipGetVisibleClipBounds(graphics, rect) = DLL("gdiplus.dll", "int GdipGetVisibleClipBounds(void*, void*)")
# 呼び出し: GdipGetVisibleClipBounds(graphics, rect)
# graphics : GpGraphics* 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)。