SHAppBarMessage

関数

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DLLSHELL32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

UINT_PTR SHAppBarMessage(
    DWORD dwMessage,
    APPBARDATA* pData
);

パラメーター

名前	型	方向
dwMessage	DWORD	in
pData	APPBARDATA*	inout

戻り値の型: UINT_PTR

各言語での呼び出し定義

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

UINT_PTR SHAppBarMessage(
    DWORD dwMessage,
    APPBARDATA* pData
);

[DllImport("SHELL32.dll", ExactSpelling = true)]
static extern UIntPtr SHAppBarMessage(
    uint dwMessage,   // DWORD
    IntPtr pData   // APPBARDATA* in/out
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHAppBarMessage(
    dwMessage As UInteger,   ' DWORD
    pData As IntPtr   ' APPBARDATA* in/out
) As UIntPtr
End Function

' dwMessage : DWORD
' pData : APPBARDATA* in/out
Declare PtrSafe Function SHAppBarMessage Lib "shell32" ( _
    ByVal dwMessage As Long, _
    ByVal pData As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHAppBarMessage = ctypes.windll.shell32.SHAppBarMessage
SHAppBarMessage.restype = ctypes.c_size_t
SHAppBarMessage.argtypes = [
    wintypes.DWORD,  # dwMessage : DWORD
    ctypes.c_void_p,  # pData : APPBARDATA* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHAppBarMessage = Fiddle::Function.new(
  lib['SHAppBarMessage'],
  [
    -Fiddle::TYPE_INT,  # dwMessage : DWORD
    Fiddle::TYPE_VOIDP,  # pData : APPBARDATA* in/out
  ],
  Fiddle::TYPE_UINTPTR_T)

#[link(name = "shell32")]
extern "system" {
    fn SHAppBarMessage(
        dwMessage: u32,  // DWORD
        pData: *mut APPBARDATA  // APPBARDATA* in/out
    ) -> usize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern UIntPtr SHAppBarMessage(uint dwMessage, IntPtr pData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHAppBarMessage' -Namespace Win32 -PassThru
# $api::SHAppBarMessage(dwMessage, pData)

#uselib "SHELL32.dll"
#func global SHAppBarMessage "SHAppBarMessage" sptr, sptr
; SHAppBarMessage dwMessage, varptr(pData)   ; 戻り値は stat
; dwMessage : DWORD -> "sptr"
; pData : APPBARDATA* 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。

出力引数:

#uselib "SHELL32.dll"
#cfunc global SHAppBarMessage "SHAppBarMessage" int, var
; res = SHAppBarMessage(dwMessage, pData)
; dwMessage : DWORD -> "int"
; pData : APPBARDATA* 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。#uselib "SHELL32.dll"
#cfunc global SHAppBarMessage "SHAppBarMessage" int, sptr
; res = SHAppBarMessage(dwMessage, varptr(pData))
; dwMessage : DWORD -> "int"
; pData : APPBARDATA* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; UINT_PTR SHAppBarMessage(DWORD dwMessage, APPBARDATA* pData)
#uselib "SHELL32.dll"
#cfunc global SHAppBarMessage "SHAppBarMessage" int, var
; res = SHAppBarMessage(dwMessage, pData)
; dwMessage : DWORD -> "int"
; pData : APPBARDATA* 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。; UINT_PTR SHAppBarMessage(DWORD dwMessage, APPBARDATA* pData)
#uselib "SHELL32.dll"
#cfunc global SHAppBarMessage "SHAppBarMessage" int, intptr
; res = SHAppBarMessage(dwMessage, varptr(pData))
; dwMessage : DWORD -> "int"
; pData : APPBARDATA* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHAppBarMessage = shell32.NewProc("SHAppBarMessage")
)

// dwMessage (DWORD), pData (APPBARDATA* in/out)
r1, _, err := procSHAppBarMessage.Call(
	uintptr(dwMessage),
	uintptr(pData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UINT_PTR

function SHAppBarMessage(
  dwMessage: DWORD;   // DWORD
  pData: Pointer   // APPBARDATA* in/out
): NativeUInt; stdcall;
  external 'SHELL32.dll' name 'SHAppBarMessage';

result := DllCall("SHELL32\SHAppBarMessage"
    , "UInt", dwMessage   ; DWORD
    , "Ptr", pData   ; APPBARDATA* in/out
    , "UPtr")   ; return: UINT_PTR

●SHAppBarMessage(dwMessage, pData) = DLL("SHELL32.dll", "int SHAppBarMessage(dword, void*)")
# 呼び出し: SHAppBarMessage(dwMessage, pData)
# dwMessage : DWORD -> "dword"
# pData : APPBARDATA* 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)。