WNetAddConnection2A

// MPR.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR WNetAddConnection2A(
    NETRESOURCEA* lpNetResource,
    LPCSTR lpPassword,   // optional
    LPCSTR lpUserName,   // optional
    NET_CONNECT_FLAGS dwFlags
);

<DllImport("MPR.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function WNetAddConnection2A(
    lpNetResource As IntPtr,   ' NETRESOURCEA*
    <MarshalAs(UnmanagedType.LPStr)> lpPassword As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpUserName As String,   ' LPCSTR optional
    dwFlags As UInteger   ' NET_CONNECT_FLAGS
) As UInteger
End Function

' lpNetResource : NETRESOURCEA*
' lpPassword : LPCSTR optional
' lpUserName : LPCSTR optional
' dwFlags : NET_CONNECT_FLAGS
Declare PtrSafe Function WNetAddConnection2A Lib "mpr" ( _
    ByVal lpNetResource As LongPtr, _
    ByVal lpPassword As String, _
    ByVal lpUserName As String, _
    ByVal dwFlags 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

WNetAddConnection2A = ctypes.windll.mpr.WNetAddConnection2A
WNetAddConnection2A.restype = wintypes.DWORD
WNetAddConnection2A.argtypes = [
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEA*
    wintypes.LPCSTR,  # lpPassword : LPCSTR optional
    wintypes.LPCSTR,  # lpUserName : LPCSTR optional
    wintypes.DWORD,  # dwFlags : NET_CONNECT_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetAddConnection2A = Fiddle::Function.new(
  lib['WNetAddConnection2A'],
  [
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEA*
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpUserName : LPCSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : NET_CONNECT_FLAGS
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mpr")]
extern "system" {
    fn WNetAddConnection2A(
        lpNetResource: *mut NETRESOURCEA,  // NETRESOURCEA*
        lpPassword: *const u8,  // LPCSTR optional
        lpUserName: *const u8,  // LPCSTR optional
        dwFlags: u32  // NET_CONNECT_FLAGS
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Ansi)]
public static extern uint WNetAddConnection2A(IntPtr lpNetResource, [MarshalAs(UnmanagedType.LPStr)] string lpPassword, [MarshalAs(UnmanagedType.LPStr)] string lpUserName, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetAddConnection2A' -Namespace Win32 -PassThru
# $api::WNetAddConnection2A(lpNetResource, lpPassword, lpUserName, dwFlags)

#uselib "MPR.dll"
#func global WNetAddConnection2A "WNetAddConnection2A" sptr, sptr, sptr, sptr
; WNetAddConnection2A varptr(lpNetResource), lpPassword, lpUserName, dwFlags   ; 戻り値は stat
; lpNetResource : NETRESOURCEA* -> "sptr"
; lpPassword : LPCSTR optional -> "sptr"
; lpUserName : LPCSTR optional -> "sptr"
; dwFlags : NET_CONNECT_FLAGS -> "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 "MPR.dll"
#cfunc global WNetAddConnection2A "WNetAddConnection2A" var, str, str, int
; res = WNetAddConnection2A(lpNetResource, lpPassword, lpUserName, dwFlags)
; lpNetResource : NETRESOURCEA* -> "var"
; lpPassword : LPCSTR optional -> "str"
; lpUserName : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; ※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。

; WIN32_ERROR WNetAddConnection2A(NETRESOURCEA* lpNetResource, LPCSTR lpPassword, LPCSTR lpUserName, NET_CONNECT_FLAGS dwFlags)
#uselib "MPR.dll"
#cfunc global WNetAddConnection2A "WNetAddConnection2A" var, str, str, int
; res = WNetAddConnection2A(lpNetResource, lpPassword, lpUserName, dwFlags)
; lpNetResource : NETRESOURCEA* -> "var"
; lpPassword : LPCSTR optional -> "str"
; lpUserName : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; ※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 (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetAddConnection2A = mpr.NewProc("WNetAddConnection2A")
)

// lpNetResource (NETRESOURCEA*), lpPassword (LPCSTR optional), lpUserName (LPCSTR optional), dwFlags (NET_CONNECT_FLAGS)
r1, _, err := procWNetAddConnection2A.Call(
	uintptr(lpNetResource),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpPassword))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpUserName))),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetAddConnection2A(
  lpNetResource: Pointer;   // NETRESOURCEA*
  lpPassword: PAnsiChar;   // LPCSTR optional
  lpUserName: PAnsiChar;   // LPCSTR optional
  dwFlags: DWORD   // NET_CONNECT_FLAGS
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetAddConnection2A';

result := DllCall("MPR\WNetAddConnection2A"
    , "Ptr", lpNetResource   ; NETRESOURCEA*
    , "AStr", lpPassword   ; LPCSTR optional
    , "AStr", lpUserName   ; LPCSTR optional
    , "UInt", dwFlags   ; NET_CONNECT_FLAGS
    , "UInt")   ; return: WIN32_ERROR

●WNetAddConnection2A(lpNetResource, lpPassword, lpUserName, dwFlags) = DLL("MPR.dll", "dword WNetAddConnection2A(void*, char*, char*, dword)")
# 呼び出し: WNetAddConnection2A(lpNetResource, lpPassword, lpUserName, dwFlags)
# lpNetResource : NETRESOURCEA* -> "void*"
# lpPassword : LPCSTR optional -> "char*"
# lpUserName : LPCSTR optional -> "char*"
# dwFlags : NET_CONNECT_FLAGS -> "dword"
# 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)。