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UpdateCalendarDayOfWeek

関数

暦日時の曜日情報を再計算して更新する。

DLLKERNEL32.dll呼出規約winapi

シグネチャ

// KERNEL32.dll
#include <windows.h>

BOOL UpdateCalendarDayOfWeek(
    CALDATETIME* lpCalDateTime
);

パラメーター

名前	型	方向
lpCalDateTime	CALDATETIME*	inout

戻り値の型: BOOL

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

BOOL UpdateCalendarDayOfWeek(
    CALDATETIME* lpCalDateTime
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern bool UpdateCalendarDayOfWeek(
    IntPtr lpCalDateTime   // CALDATETIME* in/out
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function UpdateCalendarDayOfWeek(
    lpCalDateTime As IntPtr   ' CALDATETIME* in/out
) As Boolean
End Function

' lpCalDateTime : CALDATETIME* in/out
Declare PtrSafe Function UpdateCalendarDayOfWeek Lib "kernel32" ( _
    ByVal lpCalDateTime As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

UpdateCalendarDayOfWeek = ctypes.windll.kernel32.UpdateCalendarDayOfWeek
UpdateCalendarDayOfWeek.restype = wintypes.BOOL
UpdateCalendarDayOfWeek.argtypes = [
    ctypes.c_void_p,  # lpCalDateTime : CALDATETIME* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
UpdateCalendarDayOfWeek = Fiddle::Function.new(
  lib['UpdateCalendarDayOfWeek'],
  [
    Fiddle::TYPE_VOIDP,  # lpCalDateTime : CALDATETIME* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn UpdateCalendarDayOfWeek(
        lpCalDateTime: *mut CALDATETIME  // CALDATETIME* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool UpdateCalendarDayOfWeek(IntPtr lpCalDateTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_UpdateCalendarDayOfWeek' -Namespace Win32 -PassThru
# $api::UpdateCalendarDayOfWeek(lpCalDateTime)

#uselib "KERNEL32.dll"
#func global UpdateCalendarDayOfWeek "UpdateCalendarDayOfWeek" sptr
; UpdateCalendarDayOfWeek varptr(lpCalDateTime)   ; 戻り値は stat
; lpCalDateTime : CALDATETIME* 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 "KERNEL32.dll"
#cfunc global UpdateCalendarDayOfWeek "UpdateCalendarDayOfWeek" var
; res = UpdateCalendarDayOfWeek(lpCalDateTime)
; lpCalDateTime : CALDATETIME* 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 "KERNEL32.dll"
#cfunc global UpdateCalendarDayOfWeek "UpdateCalendarDayOfWeek" sptr
; res = UpdateCalendarDayOfWeek(varptr(lpCalDateTime))
; lpCalDateTime : CALDATETIME* 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:

; BOOL UpdateCalendarDayOfWeek(CALDATETIME* lpCalDateTime)
#uselib "KERNEL32.dll"
#cfunc global UpdateCalendarDayOfWeek "UpdateCalendarDayOfWeek" var
; res = UpdateCalendarDayOfWeek(lpCalDateTime)
; lpCalDateTime : CALDATETIME* 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。; BOOL UpdateCalendarDayOfWeek(CALDATETIME* lpCalDateTime)
#uselib "KERNEL32.dll"
#cfunc global UpdateCalendarDayOfWeek "UpdateCalendarDayOfWeek" intptr
; res = UpdateCalendarDayOfWeek(varptr(lpCalDateTime))
; lpCalDateTime : CALDATETIME* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procUpdateCalendarDayOfWeek = kernel32.NewProc("UpdateCalendarDayOfWeek")
)

// lpCalDateTime (CALDATETIME* in/out)
r1, _, err := procUpdateCalendarDayOfWeek.Call(
	uintptr(lpCalDateTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function UpdateCalendarDayOfWeek(
  lpCalDateTime: Pointer   // CALDATETIME* in/out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'UpdateCalendarDayOfWeek';

result := DllCall("KERNEL32\UpdateCalendarDayOfWeek"
    , "Ptr", lpCalDateTime   ; CALDATETIME* in/out
    , "Int")   ; return: BOOL

●UpdateCalendarDayOfWeek(lpCalDateTime) = DLL("KERNEL32.dll", "bool UpdateCalendarDayOfWeek(void*)")
# 呼び出し: UpdateCalendarDayOfWeek(lpCalDateTime)
# lpCalDateTime : CALDATETIME* 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)。