OleRegGetMiscStatus

// OLE32.dll
#include <windows.h>

HRESULT OleRegGetMiscStatus(
    const GUID* clsid,
    DWORD dwAspect,
    DWORD* pdwStatus
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function OleRegGetMiscStatus(
    ByRef clsid As Guid,   ' GUID*
    dwAspect As UInteger,   ' DWORD
    <Out> ByRef pdwStatus As UInteger   ' DWORD* out
) As Integer
End Function

' clsid : GUID*
' dwAspect : DWORD
' pdwStatus : DWORD* out
Declare PtrSafe Function OleRegGetMiscStatus Lib "ole32" ( _
    ByVal clsid As LongPtr, _
    ByVal dwAspect As Long, _
    ByRef pdwStatus 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

OleRegGetMiscStatus = ctypes.windll.ole32.OleRegGetMiscStatus
OleRegGetMiscStatus.restype = ctypes.c_int
OleRegGetMiscStatus.argtypes = [
    ctypes.c_void_p,  # clsid : GUID*
    wintypes.DWORD,  # dwAspect : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pdwStatus : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
OleRegGetMiscStatus = Fiddle::Function.new(
  lib['OleRegGetMiscStatus'],
  [
    Fiddle::TYPE_VOIDP,  # clsid : GUID*
    -Fiddle::TYPE_INT,  # dwAspect : DWORD
    Fiddle::TYPE_VOIDP,  # pdwStatus : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn OleRegGetMiscStatus(
        clsid: *const GUID,  // GUID*
        dwAspect: u32,  // DWORD
        pdwStatus: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int OleRegGetMiscStatus(ref Guid clsid, uint dwAspect, out uint pdwStatus);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_OleRegGetMiscStatus' -Namespace Win32 -PassThru
# $api::OleRegGetMiscStatus(clsid, dwAspect, pdwStatus)

#uselib "OLE32.dll"
#func global OleRegGetMiscStatus "OleRegGetMiscStatus" sptr, sptr, sptr
; OleRegGetMiscStatus varptr(clsid), dwAspect, varptr(pdwStatus)   ; 戻り値は stat
; clsid : GUID* -> "sptr"
; dwAspect : DWORD -> "sptr"
; pdwStatus : DWORD* 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。

#uselib "OLE32.dll"
#cfunc global OleRegGetMiscStatus "OleRegGetMiscStatus" var, int, var
; res = OleRegGetMiscStatus(clsid, dwAspect, pdwStatus)
; clsid : GUID* -> "var"
; dwAspect : DWORD -> "int"
; pdwStatus : DWORD* 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。

; HRESULT OleRegGetMiscStatus(GUID* clsid, DWORD dwAspect, DWORD* pdwStatus)
#uselib "OLE32.dll"
#cfunc global OleRegGetMiscStatus "OleRegGetMiscStatus" var, int, var
; res = OleRegGetMiscStatus(clsid, dwAspect, pdwStatus)
; clsid : GUID* -> "var"
; dwAspect : DWORD -> "int"
; pdwStatus : DWORD* 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。

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procOleRegGetMiscStatus = ole32.NewProc("OleRegGetMiscStatus")
)

// clsid (GUID*), dwAspect (DWORD), pdwStatus (DWORD* out)
r1, _, err := procOleRegGetMiscStatus.Call(
	uintptr(clsid),
	uintptr(dwAspect),
	uintptr(pdwStatus),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function OleRegGetMiscStatus(
  clsid: PGUID;   // GUID*
  dwAspect: DWORD;   // DWORD
  pdwStatus: Pointer   // DWORD* out
): Integer; stdcall;
  external 'OLE32.dll' name 'OleRegGetMiscStatus';

result := DllCall("OLE32\OleRegGetMiscStatus"
    , "Ptr", clsid   ; GUID*
    , "UInt", dwAspect   ; DWORD
    , "Ptr", pdwStatus   ; DWORD* out
    , "Int")   ; return: HRESULT

●OleRegGetMiscStatus(clsid, dwAspect, pdwStatus) = DLL("OLE32.dll", "int OleRegGetMiscStatus(void*, dword, void*)")
# 呼び出し: OleRegGetMiscStatus(clsid, dwAspect, pdwStatus)
# clsid : GUID* -> "void*"
# dwAspect : DWORD -> "dword"
# pdwStatus : DWORD* 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)。