OleDuplicateData

// OLE32.dll
#include <windows.h>

HANDLE OleDuplicateData(
    HANDLE hSrc,
    CLIPBOARD_FORMAT cfFormat,
    GLOBAL_ALLOC_FLAGS uiFlags
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function OleDuplicateData(
    hSrc As IntPtr,   ' HANDLE
    cfFormat As UShort,   ' CLIPBOARD_FORMAT
    uiFlags As UInteger   ' GLOBAL_ALLOC_FLAGS
) As IntPtr
End Function

' hSrc : HANDLE
' cfFormat : CLIPBOARD_FORMAT
' uiFlags : GLOBAL_ALLOC_FLAGS
Declare PtrSafe Function OleDuplicateData Lib "ole32" ( _
    ByVal hSrc As LongPtr, _
    ByVal cfFormat As Integer, _
    ByVal uiFlags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

OleDuplicateData = ctypes.windll.ole32.OleDuplicateData
OleDuplicateData.restype = ctypes.c_void_p
OleDuplicateData.argtypes = [
    wintypes.HANDLE,  # hSrc : HANDLE
    ctypes.c_ushort,  # cfFormat : CLIPBOARD_FORMAT
    wintypes.DWORD,  # uiFlags : GLOBAL_ALLOC_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
OleDuplicateData = Fiddle::Function.new(
  lib['OleDuplicateData'],
  [
    Fiddle::TYPE_VOIDP,  # hSrc : HANDLE
    -Fiddle::TYPE_SHORT,  # cfFormat : CLIPBOARD_FORMAT
    -Fiddle::TYPE_INT,  # uiFlags : GLOBAL_ALLOC_FLAGS
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "ole32")]
extern "system" {
    fn OleDuplicateData(
        hSrc: *mut core::ffi::c_void,  // HANDLE
        cfFormat: u16,  // CLIPBOARD_FORMAT
        uiFlags: u32  // GLOBAL_ALLOC_FLAGS
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern IntPtr OleDuplicateData(IntPtr hSrc, ushort cfFormat, uint uiFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_OleDuplicateData' -Namespace Win32 -PassThru
# $api::OleDuplicateData(hSrc, cfFormat, uiFlags)

#uselib "OLE32.dll"
#func global OleDuplicateData "OleDuplicateData" sptr, sptr, sptr
; OleDuplicateData hSrc, cfFormat, uiFlags   ; 戻り値は stat
; hSrc : HANDLE -> "sptr"
; cfFormat : CLIPBOARD_FORMAT -> "sptr"
; uiFlags : GLOBAL_ALLOC_FLAGS -> "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 "OLE32.dll"
#cfunc global OleDuplicateData "OleDuplicateData" sptr, int, int
; res = OleDuplicateData(hSrc, cfFormat, uiFlags)
; hSrc : HANDLE -> "sptr"
; cfFormat : CLIPBOARD_FORMAT -> "int"
; uiFlags : GLOBAL_ALLOC_FLAGS -> "int"

; HANDLE OleDuplicateData(HANDLE hSrc, CLIPBOARD_FORMAT cfFormat, GLOBAL_ALLOC_FLAGS uiFlags)
#uselib "OLE32.dll"
#cfunc global OleDuplicateData "OleDuplicateData" intptr, int, int
; res = OleDuplicateData(hSrc, cfFormat, uiFlags)
; hSrc : HANDLE -> "intptr"
; cfFormat : CLIPBOARD_FORMAT -> "int"
; uiFlags : GLOBAL_ALLOC_FLAGS -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procOleDuplicateData = ole32.NewProc("OleDuplicateData")
)

// hSrc (HANDLE), cfFormat (CLIPBOARD_FORMAT), uiFlags (GLOBAL_ALLOC_FLAGS)
r1, _, err := procOleDuplicateData.Call(
	uintptr(hSrc),
	uintptr(cfFormat),
	uintptr(uiFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function OleDuplicateData(
  hSrc: THandle;   // HANDLE
  cfFormat: Word;   // CLIPBOARD_FORMAT
  uiFlags: DWORD   // GLOBAL_ALLOC_FLAGS
): THandle; stdcall;
  external 'OLE32.dll' name 'OleDuplicateData';

result := DllCall("OLE32\OleDuplicateData"
    , "Ptr", hSrc   ; HANDLE
    , "UShort", cfFormat   ; CLIPBOARD_FORMAT
    , "UInt", uiFlags   ; GLOBAL_ALLOC_FLAGS
    , "Ptr")   ; return: HANDLE

●OleDuplicateData(hSrc, cfFormat, uiFlags) = DLL("OLE32.dll", "void* OleDuplicateData(void*, int, dword)")
# 呼び出し: OleDuplicateData(hSrc, cfFormat, uiFlags)
# hSrc : HANDLE -> "void*"
# cfFormat : CLIPBOARD_FORMAT -> "int"
# uiFlags : GLOBAL_ALLOC_FLAGS -> "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)。