GetClipboardData

// USER32.dll
#include <windows.h>

HANDLE GetClipboardData(
    DWORD uFormat
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetClipboardData(
    uFormat As UInteger   ' DWORD
) As IntPtr
End Function

' uFormat : DWORD
Declare PtrSafe Function GetClipboardData Lib "user32" ( _
    ByVal uFormat 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

GetClipboardData = ctypes.windll.user32.GetClipboardData
GetClipboardData.restype = ctypes.c_void_p
GetClipboardData.argtypes = [
    wintypes.DWORD,  # uFormat : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetClipboardData = Fiddle::Function.new(
  lib['GetClipboardData'],
  [
    -Fiddle::TYPE_INT,  # uFormat : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "user32")]
extern "system" {
    fn GetClipboardData(
        uFormat: u32  // DWORD
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", SetLastError = true)]
public static extern IntPtr GetClipboardData(uint uFormat);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetClipboardData' -Namespace Win32 -PassThru
# $api::GetClipboardData(uFormat)

#uselib "USER32.dll"
#func global GetClipboardData "GetClipboardData" sptr
; GetClipboardData uFormat   ; 戻り値は stat
; uFormat : 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 "USER32.dll"
#cfunc global GetClipboardData "GetClipboardData" int
; res = GetClipboardData(uFormat)
; uFormat : DWORD -> "int"

; HANDLE GetClipboardData(DWORD uFormat)
#uselib "USER32.dll"
#cfunc global GetClipboardData "GetClipboardData" int
; res = GetClipboardData(uFormat)
; uFormat : DWORD -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetClipboardData = user32.NewProc("GetClipboardData")
)

// uFormat (DWORD)
r1, _, err := procGetClipboardData.Call(
	uintptr(uFormat),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function GetClipboardData(
  uFormat: DWORD   // DWORD
): THandle; stdcall;
  external 'USER32.dll' name 'GetClipboardData';

result := DllCall("USER32\GetClipboardData"
    , "UInt", uFormat   ; DWORD
    , "Ptr")   ; return: HANDLE

●GetClipboardData(uFormat) = DLL("USER32.dll", "void* GetClipboardData(dword)")
# 呼び出し: GetClipboardData(uFormat)
# uFormat : 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)。