DAD_ShowDragImage

// SHELL32.dll
#include <windows.h>

BOOL DAD_ShowDragImage(
    BOOL fShow
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function DAD_ShowDragImage(
    fShow As Boolean   ' BOOL
) As Boolean
End Function

' fShow : BOOL
Declare PtrSafe Function DAD_ShowDragImage Lib "shell32" ( _
    ByVal fShow 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

DAD_ShowDragImage = ctypes.windll.shell32.DAD_ShowDragImage
DAD_ShowDragImage.restype = wintypes.BOOL
DAD_ShowDragImage.argtypes = [
    wintypes.BOOL,  # fShow : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
DAD_ShowDragImage = Fiddle::Function.new(
  lib['DAD_ShowDragImage'],
  [
    Fiddle::TYPE_INT,  # fShow : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn DAD_ShowDragImage(
        fShow: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHELL32.dll")]
public static extern bool DAD_ShowDragImage(bool fShow);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_DAD_ShowDragImage' -Namespace Win32 -PassThru
# $api::DAD_ShowDragImage(fShow)

#uselib "SHELL32.dll"
#func global DAD_ShowDragImage "DAD_ShowDragImage" sptr
; DAD_ShowDragImage fShow   ; 戻り値は stat
; fShow : BOOL -> "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 "SHELL32.dll"
#cfunc global DAD_ShowDragImage "DAD_ShowDragImage" int
; res = DAD_ShowDragImage(fShow)
; fShow : BOOL -> "int"

; BOOL DAD_ShowDragImage(BOOL fShow)
#uselib "SHELL32.dll"
#cfunc global DAD_ShowDragImage "DAD_ShowDragImage" int
; res = DAD_ShowDragImage(fShow)
; fShow : BOOL -> "int"

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

var (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procDAD_ShowDragImage = shell32.NewProc("DAD_ShowDragImage")
)

// fShow (BOOL)
r1, _, err := procDAD_ShowDragImage.Call(
	uintptr(fShow),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DAD_ShowDragImage(
  fShow: BOOL   // BOOL
): BOOL; stdcall;
  external 'SHELL32.dll' name 'DAD_ShowDragImage';

result := DllCall("SHELL32\DAD_ShowDragImage"
    , "Int", fShow   ; BOOL
    , "Int")   ; return: BOOL

●DAD_ShowDragImage(fShow) = DLL("SHELL32.dll", "bool DAD_ShowDragImage(bool)")
# 呼び出し: DAD_ShowDragImage(fShow)
# fShow : BOOL -> "bool"
# 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)。