GetBoundsRect

// GDI32.dll
#include <windows.h>

DWORD GetBoundsRect(
    HDC hdc,
    RECT* lprect,
    DWORD flags
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function GetBoundsRect(
    hdc As IntPtr,   ' HDC
    lprect As IntPtr,   ' RECT* out
    flags As UInteger   ' DWORD
) As UInteger
End Function

' hdc : HDC
' lprect : RECT* out
' flags : DWORD
Declare PtrSafe Function GetBoundsRect Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByVal lprect As LongPtr, _
    ByVal flags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetBoundsRect = ctypes.windll.gdi32.GetBoundsRect
GetBoundsRect.restype = wintypes.DWORD
GetBoundsRect.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    ctypes.c_void_p,  # lprect : RECT* out
    wintypes.DWORD,  # flags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GetBoundsRect = Fiddle::Function.new(
  lib['GetBoundsRect'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_VOIDP,  # lprect : RECT* out
    -Fiddle::TYPE_INT,  # flags : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn GetBoundsRect(
        hdc: *mut core::ffi::c_void,  // HDC
        lprect: *mut RECT,  // RECT* out
        flags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll")]
public static extern uint GetBoundsRect(IntPtr hdc, IntPtr lprect, uint flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GetBoundsRect' -Namespace Win32 -PassThru
# $api::GetBoundsRect(hdc, lprect, flags)

#uselib "GDI32.dll"
#func global GetBoundsRect "GetBoundsRect" sptr, sptr, sptr
; GetBoundsRect hdc, varptr(lprect), flags   ; 戻り値は stat
; hdc : HDC -> "sptr"
; lprect : RECT* out -> "sptr"
; flags : DWORD -> "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 "GDI32.dll"
#cfunc global GetBoundsRect "GetBoundsRect" sptr, var, int
; res = GetBoundsRect(hdc, lprect, flags)
; hdc : HDC -> "sptr"
; lprect : RECT* out -> "var"
; flags : DWORD -> "int"
; ※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。

; DWORD GetBoundsRect(HDC hdc, RECT* lprect, DWORD flags)
#uselib "GDI32.dll"
#cfunc global GetBoundsRect "GetBoundsRect" intptr, var, int
; res = GetBoundsRect(hdc, lprect, flags)
; hdc : HDC -> "intptr"
; lprect : RECT* out -> "var"
; flags : DWORD -> "int"
; ※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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGetBoundsRect = gdi32.NewProc("GetBoundsRect")
)

// hdc (HDC), lprect (RECT* out), flags (DWORD)
r1, _, err := procGetBoundsRect.Call(
	uintptr(hdc),
	uintptr(lprect),
	uintptr(flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetBoundsRect(
  hdc: THandle;   // HDC
  lprect: Pointer;   // RECT* out
  flags: DWORD   // DWORD
): DWORD; stdcall;
  external 'GDI32.dll' name 'GetBoundsRect';

result := DllCall("GDI32\GetBoundsRect"
    , "Ptr", hdc   ; HDC
    , "Ptr", lprect   ; RECT* out
    , "UInt", flags   ; DWORD
    , "UInt")   ; return: DWORD

●GetBoundsRect(hdc, lprect, flags) = DLL("GDI32.dll", "dword GetBoundsRect(void*, void*, dword)")
# 呼び出し: GetBoundsRect(hdc, lprect, flags)
# hdc : HDC -> "void*"
# lprect : RECT* out -> "void*"
# flags : DWORD -> "dword"
# 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)。