WdsCliCreateSession

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

HRESULT WdsCliCreateSession(
    LPWSTR pwszServer,
    WDS_CLI_CRED* pCred,   // optional
    HANDLE* phSession
);

<DllImport("WDSCLIENTAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WdsCliCreateSession(
    <MarshalAs(UnmanagedType.LPWStr)> pwszServer As String,   ' LPWSTR
    pCred As IntPtr,   ' WDS_CLI_CRED* optional
    phSession As IntPtr   ' HANDLE* out
) As Integer
End Function

' pwszServer : LPWSTR
' pCred : WDS_CLI_CRED* optional
' phSession : HANDLE* out
Declare PtrSafe Function WdsCliCreateSession Lib "wdsclientapi" ( _
    ByVal pwszServer As LongPtr, _
    ByVal pCred As LongPtr, _
    ByVal phSession 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

WdsCliCreateSession = ctypes.windll.wdsclientapi.WdsCliCreateSession
WdsCliCreateSession.restype = ctypes.c_int
WdsCliCreateSession.argtypes = [
    wintypes.LPCWSTR,  # pwszServer : LPWSTR
    ctypes.c_void_p,  # pCred : WDS_CLI_CRED* optional
    ctypes.c_void_p,  # phSession : HANDLE* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WDSCLIENTAPI.dll')
WdsCliCreateSession = Fiddle::Function.new(
  lib['WdsCliCreateSession'],
  [
    Fiddle::TYPE_VOIDP,  # pwszServer : LPWSTR
    Fiddle::TYPE_VOIDP,  # pCred : WDS_CLI_CRED* optional
    Fiddle::TYPE_VOIDP,  # phSession : HANDLE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wdsclientapi")]
extern "system" {
    fn WdsCliCreateSession(
        pwszServer: *mut u16,  // LPWSTR
        pCred: *mut WDS_CLI_CRED,  // WDS_CLI_CRED* optional
        phSession: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WDSCLIENTAPI.dll", SetLastError = true)]
public static extern int WdsCliCreateSession([MarshalAs(UnmanagedType.LPWStr)] string pwszServer, IntPtr pCred, IntPtr phSession);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WDSCLIENTAPI_WdsCliCreateSession' -Namespace Win32 -PassThru
# $api::WdsCliCreateSession(pwszServer, pCred, phSession)

#uselib "WDSCLIENTAPI.dll"
#func global WdsCliCreateSession "WdsCliCreateSession" sptr, sptr, sptr
; WdsCliCreateSession pwszServer, varptr(pCred), phSession   ; 戻り値は stat
; pwszServer : LPWSTR -> "sptr"
; pCred : WDS_CLI_CRED* optional -> "sptr"
; phSession : HANDLE* 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 "WDSCLIENTAPI.dll"
#cfunc global WdsCliCreateSession "WdsCliCreateSession" wstr, var, sptr
; res = WdsCliCreateSession(pwszServer, pCred, phSession)
; pwszServer : LPWSTR -> "wstr"
; pCred : WDS_CLI_CRED* optional -> "var"
; phSession : HANDLE* out -> "sptr"
; ※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 WdsCliCreateSession(LPWSTR pwszServer, WDS_CLI_CRED* pCred, HANDLE* phSession)
#uselib "WDSCLIENTAPI.dll"
#cfunc global WdsCliCreateSession "WdsCliCreateSession" wstr, var, intptr
; res = WdsCliCreateSession(pwszServer, pCred, phSession)
; pwszServer : LPWSTR -> "wstr"
; pCred : WDS_CLI_CRED* optional -> "var"
; phSession : HANDLE* out -> "intptr"
; ※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 (
	wdsclientapi = windows.NewLazySystemDLL("WDSCLIENTAPI.dll")
	procWdsCliCreateSession = wdsclientapi.NewProc("WdsCliCreateSession")
)

// pwszServer (LPWSTR), pCred (WDS_CLI_CRED* optional), phSession (HANDLE* out)
r1, _, err := procWdsCliCreateSession.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszServer))),
	uintptr(pCred),
	uintptr(phSession),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WdsCliCreateSession(
  pwszServer: PWideChar;   // LPWSTR
  pCred: Pointer;   // WDS_CLI_CRED* optional
  phSession: Pointer   // HANDLE* out
): Integer; stdcall;
  external 'WDSCLIENTAPI.dll' name 'WdsCliCreateSession';

result := DllCall("WDSCLIENTAPI\WdsCliCreateSession"
    , "WStr", pwszServer   ; LPWSTR
    , "Ptr", pCred   ; WDS_CLI_CRED* optional
    , "Ptr", phSession   ; HANDLE* out
    , "Int")   ; return: HRESULT

●WdsCliCreateSession(pwszServer, pCred, phSession) = DLL("WDSCLIENTAPI.dll", "int WdsCliCreateSession(char*, void*, void*)")
# 呼び出し: WdsCliCreateSession(pwszServer, pCred, phSession)
# pwszServer : LPWSTR -> "char*"
# pCred : WDS_CLI_CRED* optional -> "void*"
# phSession : HANDLE* 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)。