AddMonitorA

関数

システムにプリントモニターを追加する。

DLLwinspool.drv文字セットANSI (-A)呼出規約winapiSetLastErrorあり

シグネチャ

// winspool.drv  (ANSI / -A)
#include <windows.h>

BOOL AddMonitorA(
    LPCSTR pName,   // optional
    DWORD Level,
    BYTE* pMonitors   // optional
);

パラメーター

名前	型	方向
pName	LPCSTR	inoptional
Level	DWORD	in
pMonitors	BYTE*	inoptional

戻り値の型: BOOL

各言語での呼び出し定義

// winspool.drv  (ANSI / -A)
#include <windows.h>

BOOL AddMonitorA(
    LPCSTR pName,   // optional
    DWORD Level,
    BYTE* pMonitors   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool AddMonitorA(
    [MarshalAs(UnmanagedType.LPStr)] string pName,   // LPCSTR optional
    uint Level,   // DWORD
    IntPtr pMonitors   // BYTE* optional
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function AddMonitorA(
    <MarshalAs(UnmanagedType.LPStr)> pName As String,   ' LPCSTR optional
    Level As UInteger,   ' DWORD
    pMonitors As IntPtr   ' BYTE* optional
) As Boolean
End Function

' pName : LPCSTR optional
' Level : DWORD
' pMonitors : BYTE* optional
Declare PtrSafe Function AddMonitorA Lib "winspool.drv" ( _
    ByVal pName As String, _
    ByVal Level As Long, _
    ByVal pMonitors 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

AddMonitorA = ctypes.windll.LoadLibrary("winspool.drv").AddMonitorA
AddMonitorA.restype = wintypes.BOOL
AddMonitorA.argtypes = [
    wintypes.LPCSTR,  # pName : LPCSTR optional
    wintypes.DWORD,  # Level : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pMonitors : BYTE* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
AddMonitorA = Fiddle::Function.new(
  lib['AddMonitorA'],
  [
    Fiddle::TYPE_VOIDP,  # pName : LPCSTR optional
    -Fiddle::TYPE_INT,  # Level : DWORD
    Fiddle::TYPE_VOIDP,  # pMonitors : BYTE* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn AddMonitorA(
        pName: *const u8,  // LPCSTR optional
        Level: u32,  // DWORD
        pMonitors: *mut u8  // BYTE* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool AddMonitorA([MarshalAs(UnmanagedType.LPStr)] string pName, uint Level, IntPtr pMonitors);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_AddMonitorA' -Namespace Win32 -PassThru
# $api::AddMonitorA(pName, Level, pMonitors)

#uselib "winspool.drv"
#func global AddMonitorA "AddMonitorA" sptr, sptr, sptr
; AddMonitorA pName, Level, varptr(pMonitors)   ; 戻り値は stat
; pName : LPCSTR optional -> "sptr"
; Level : DWORD -> "sptr"
; pMonitors : BYTE* optional -> "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 "winspool.drv"
#cfunc global AddMonitorA "AddMonitorA" str, int, var
; res = AddMonitorA(pName, Level, pMonitors)
; pName : LPCSTR optional -> "str"
; Level : DWORD -> "int"
; pMonitors : BYTE* optional -> "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 "winspool.drv"
#cfunc global AddMonitorA "AddMonitorA" str, int, sptr
; res = AddMonitorA(pName, Level, varptr(pMonitors))
; pName : LPCSTR optional -> "str"
; Level : DWORD -> "int"
; pMonitors : BYTE* optional -> "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 AddMonitorA(LPCSTR pName, DWORD Level, BYTE* pMonitors)
#uselib "winspool.drv"
#cfunc global AddMonitorA "AddMonitorA" str, int, var
; res = AddMonitorA(pName, Level, pMonitors)
; pName : LPCSTR optional -> "str"
; Level : DWORD -> "int"
; pMonitors : BYTE* optional -> "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 AddMonitorA(LPCSTR pName, DWORD Level, BYTE* pMonitors)
#uselib "winspool.drv"
#cfunc global AddMonitorA "AddMonitorA" str, int, intptr
; res = AddMonitorA(pName, Level, varptr(pMonitors))
; pName : LPCSTR optional -> "str"
; Level : DWORD -> "int"
; pMonitors : BYTE* optional -> "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 (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procAddMonitorA = winspool_drv.NewProc("AddMonitorA")
)

// pName (LPCSTR optional), Level (DWORD), pMonitors (BYTE* optional)
r1, _, err := procAddMonitorA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pName))),
	uintptr(Level),
	uintptr(pMonitors),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function AddMonitorA(
  pName: PAnsiChar;   // LPCSTR optional
  Level: DWORD;   // DWORD
  pMonitors: Pointer   // BYTE* optional
): BOOL; stdcall;
  external 'winspool.drv' name 'AddMonitorA';

result := DllCall("winspool.drv\AddMonitorA"
    , "AStr", pName   ; LPCSTR optional
    , "UInt", Level   ; DWORD
    , "Ptr", pMonitors   ; BYTE* optional
    , "Int")   ; return: BOOL

●AddMonitorA(pName, Level, pMonitors) = DLL("winspool.drv", "bool AddMonitorA(char*, dword, void*)")
# 呼び出し: AddMonitorA(pName, Level, pMonitors)
# pName : LPCSTR optional -> "char*"
# Level : DWORD -> "dword"
# pMonitors : BYTE* optional -> "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)。