WSDCreateDiscoveryProvider

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

HRESULT WSDCreateDiscoveryProvider(
    IWSDXMLContext* pContext,
    IWSDiscoveryProvider** ppProvider
);

<DllImport("wsdapi.dll", ExactSpelling:=True)>
Public Shared Function WSDCreateDiscoveryProvider(
    pContext As IntPtr,   ' IWSDXMLContext*
    ppProvider As IntPtr   ' IWSDiscoveryProvider** out
) As Integer
End Function

' pContext : IWSDXMLContext*
' ppProvider : IWSDiscoveryProvider** out
Declare PtrSafe Function WSDCreateDiscoveryProvider Lib "wsdapi" ( _
    ByVal pContext As LongPtr, _
    ByVal ppProvider 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

WSDCreateDiscoveryProvider = ctypes.windll.wsdapi.WSDCreateDiscoveryProvider
WSDCreateDiscoveryProvider.restype = ctypes.c_int
WSDCreateDiscoveryProvider.argtypes = [
    ctypes.c_void_p,  # pContext : IWSDXMLContext*
    ctypes.c_void_p,  # ppProvider : IWSDiscoveryProvider** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wsdapi.dll')
WSDCreateDiscoveryProvider = Fiddle::Function.new(
  lib['WSDCreateDiscoveryProvider'],
  [
    Fiddle::TYPE_VOIDP,  # pContext : IWSDXMLContext*
    Fiddle::TYPE_VOIDP,  # ppProvider : IWSDiscoveryProvider** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wsdapi")]
extern "system" {
    fn WSDCreateDiscoveryProvider(
        pContext: *mut core::ffi::c_void,  // IWSDXMLContext*
        ppProvider: *mut *mut core::ffi::c_void  // IWSDiscoveryProvider** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wsdapi.dll")]
public static extern int WSDCreateDiscoveryProvider(IntPtr pContext, IntPtr ppProvider);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wsdapi_WSDCreateDiscoveryProvider' -Namespace Win32 -PassThru
# $api::WSDCreateDiscoveryProvider(pContext, ppProvider)

#uselib "wsdapi.dll"
#func global WSDCreateDiscoveryProvider "WSDCreateDiscoveryProvider" sptr, sptr
; WSDCreateDiscoveryProvider pContext, ppProvider   ; 戻り値は stat
; pContext : IWSDXMLContext* -> "sptr"
; ppProvider : IWSDiscoveryProvider** 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 "wsdapi.dll"
#cfunc global WSDCreateDiscoveryProvider "WSDCreateDiscoveryProvider" sptr, sptr
; res = WSDCreateDiscoveryProvider(pContext, ppProvider)
; pContext : IWSDXMLContext* -> "sptr"
; ppProvider : IWSDiscoveryProvider** out -> "sptr"

; HRESULT WSDCreateDiscoveryProvider(IWSDXMLContext* pContext, IWSDiscoveryProvider** ppProvider)
#uselib "wsdapi.dll"
#cfunc global WSDCreateDiscoveryProvider "WSDCreateDiscoveryProvider" intptr, intptr
; res = WSDCreateDiscoveryProvider(pContext, ppProvider)
; pContext : IWSDXMLContext* -> "intptr"
; ppProvider : IWSDiscoveryProvider** out -> "intptr"

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

var (
	wsdapi = windows.NewLazySystemDLL("wsdapi.dll")
	procWSDCreateDiscoveryProvider = wsdapi.NewProc("WSDCreateDiscoveryProvider")
)

// pContext (IWSDXMLContext*), ppProvider (IWSDiscoveryProvider** out)
r1, _, err := procWSDCreateDiscoveryProvider.Call(
	uintptr(pContext),
	uintptr(ppProvider),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WSDCreateDiscoveryProvider(
  pContext: Pointer;   // IWSDXMLContext*
  ppProvider: Pointer   // IWSDiscoveryProvider** out
): Integer; stdcall;
  external 'wsdapi.dll' name 'WSDCreateDiscoveryProvider';

result := DllCall("wsdapi\WSDCreateDiscoveryProvider"
    , "Ptr", pContext   ; IWSDXMLContext*
    , "Ptr", ppProvider   ; IWSDiscoveryProvider** out
    , "Int")   ; return: HRESULT

●WSDCreateDiscoveryProvider(pContext, ppProvider) = DLL("wsdapi.dll", "int WSDCreateDiscoveryProvider(void*, void*)")
# 呼び出し: WSDCreateDiscoveryProvider(pContext, ppProvider)
# pContext : IWSDXMLContext* -> "void*"
# ppProvider : IWSDiscoveryProvider** 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)。