CoIsOle1Class

関数

指定したCLSIDがOLE1クラスかどうかを判定する。

DLLole32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// ole32.dll
#include <windows.h>

BOOL CoIsOle1Class(
    const GUID* rclsid
);

パラメーター

名前	型	方向
rclsid	GUID*	in

戻り値の型: BOOL

各言語での呼び出し定義

// ole32.dll
#include <windows.h>

BOOL CoIsOle1Class(
    const GUID* rclsid
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ole32.dll", ExactSpelling = true)]
static extern bool CoIsOle1Class(
    ref Guid rclsid   // GUID*
);

<DllImport("ole32.dll", ExactSpelling:=True)>
Public Shared Function CoIsOle1Class(
    ByRef rclsid As Guid   ' GUID*
) As Boolean
End Function

' rclsid : GUID*
Declare PtrSafe Function CoIsOle1Class Lib "ole32" ( _
    ByVal rclsid 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

CoIsOle1Class = ctypes.windll.ole32.CoIsOle1Class
CoIsOle1Class.restype = wintypes.BOOL
CoIsOle1Class.argtypes = [
    ctypes.c_void_p,  # rclsid : GUID*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ole32.dll')
CoIsOle1Class = Fiddle::Function.new(
  lib['CoIsOle1Class'],
  [
    Fiddle::TYPE_VOIDP,  # rclsid : GUID*
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoIsOle1Class(
        rclsid: *const GUID  // GUID*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ole32.dll")]
public static extern bool CoIsOle1Class(ref Guid rclsid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ole32_CoIsOle1Class' -Namespace Win32 -PassThru
# $api::CoIsOle1Class(rclsid)

#uselib "ole32.dll"
#func global CoIsOle1Class "CoIsOle1Class" sptr
; CoIsOle1Class varptr(rclsid)   ; 戻り値は stat
; rclsid : GUID* -> "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 "ole32.dll"
#cfunc global CoIsOle1Class "CoIsOle1Class" var
; res = CoIsOle1Class(rclsid)
; rclsid : GUID* -> "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 "ole32.dll"
#cfunc global CoIsOle1Class "CoIsOle1Class" sptr
; res = CoIsOle1Class(varptr(rclsid))
; rclsid : GUID* -> "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 CoIsOle1Class(GUID* rclsid)
#uselib "ole32.dll"
#cfunc global CoIsOle1Class "CoIsOle1Class" var
; res = CoIsOle1Class(rclsid)
; rclsid : GUID* -> "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 CoIsOle1Class(GUID* rclsid)
#uselib "ole32.dll"
#cfunc global CoIsOle1Class "CoIsOle1Class" intptr
; res = CoIsOle1Class(varptr(rclsid))
; rclsid : GUID* -> "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 (
	ole32 = windows.NewLazySystemDLL("ole32.dll")
	procCoIsOle1Class = ole32.NewProc("CoIsOle1Class")
)

// rclsid (GUID*)
r1, _, err := procCoIsOle1Class.Call(
	uintptr(rclsid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CoIsOle1Class(
  rclsid: PGUID   // GUID*
): BOOL; stdcall;
  external 'ole32.dll' name 'CoIsOle1Class';

result := DllCall("ole32\CoIsOle1Class"
    , "Ptr", rclsid   ; GUID*
    , "Int")   ; return: BOOL

●CoIsOle1Class(rclsid) = DLL("ole32.dll", "bool CoIsOle1Class(void*)")
# 呼び出し: CoIsOle1Class(rclsid)
# rclsid : GUID* -> "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)。