GetDeviceManagementConfigInfo

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

HRESULT GetDeviceManagementConfigInfo(
    LPCWSTR providerID,
    DWORD* configStringBufferLength,
    LPWSTR configString   // optional
);

<DllImport("MDMRegistration.dll", ExactSpelling:=True)>
Public Shared Function GetDeviceManagementConfigInfo(
    <MarshalAs(UnmanagedType.LPWStr)> providerID As String,   ' LPCWSTR
    ByRef configStringBufferLength As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> configString As System.Text.StringBuilder   ' LPWSTR optional, out
) As Integer
End Function

' providerID : LPCWSTR
' configStringBufferLength : DWORD* in/out
' configString : LPWSTR optional, out
Declare PtrSafe Function GetDeviceManagementConfigInfo Lib "mdmregistration" ( _
    ByVal providerID As LongPtr, _
    ByRef configStringBufferLength As Long, _
    ByVal configString 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

GetDeviceManagementConfigInfo = ctypes.windll.mdmregistration.GetDeviceManagementConfigInfo
GetDeviceManagementConfigInfo.restype = ctypes.c_int
GetDeviceManagementConfigInfo.argtypes = [
    wintypes.LPCWSTR,  # providerID : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # configStringBufferLength : DWORD* in/out
    wintypes.LPWSTR,  # configString : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MDMRegistration.dll')
GetDeviceManagementConfigInfo = Fiddle::Function.new(
  lib['GetDeviceManagementConfigInfo'],
  [
    Fiddle::TYPE_VOIDP,  # providerID : LPCWSTR
    Fiddle::TYPE_VOIDP,  # configStringBufferLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # configString : LPWSTR optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mdmregistration")]
extern "system" {
    fn GetDeviceManagementConfigInfo(
        providerID: *const u16,  // LPCWSTR
        configStringBufferLength: *mut u32,  // DWORD* in/out
        configString: *mut u16  // LPWSTR optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MDMRegistration.dll")]
public static extern int GetDeviceManagementConfigInfo([MarshalAs(UnmanagedType.LPWStr)] string providerID, ref uint configStringBufferLength, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder configString);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MDMRegistration_GetDeviceManagementConfigInfo' -Namespace Win32 -PassThru
# $api::GetDeviceManagementConfigInfo(providerID, configStringBufferLength, configString)

#uselib "MDMRegistration.dll"
#func global GetDeviceManagementConfigInfo "GetDeviceManagementConfigInfo" sptr, sptr, sptr
; GetDeviceManagementConfigInfo providerID, varptr(configStringBufferLength), varptr(configString)   ; 戻り値は stat
; providerID : LPCWSTR -> "sptr"
; configStringBufferLength : DWORD* in/out -> "sptr"
; configString : LPWSTR optional, 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 "MDMRegistration.dll"
#cfunc global GetDeviceManagementConfigInfo "GetDeviceManagementConfigInfo" wstr, var, var
; res = GetDeviceManagementConfigInfo(providerID, configStringBufferLength, configString)
; providerID : LPCWSTR -> "wstr"
; configStringBufferLength : DWORD* in/out -> "var"
; configString : LPWSTR optional, 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 GetDeviceManagementConfigInfo(LPCWSTR providerID, DWORD* configStringBufferLength, LPWSTR configString)
#uselib "MDMRegistration.dll"
#cfunc global GetDeviceManagementConfigInfo "GetDeviceManagementConfigInfo" wstr, var, var
; res = GetDeviceManagementConfigInfo(providerID, configStringBufferLength, configString)
; providerID : LPCWSTR -> "wstr"
; configStringBufferLength : DWORD* in/out -> "var"
; configString : LPWSTR optional, 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 (
	mdmregistration = windows.NewLazySystemDLL("MDMRegistration.dll")
	procGetDeviceManagementConfigInfo = mdmregistration.NewProc("GetDeviceManagementConfigInfo")
)

// providerID (LPCWSTR), configStringBufferLength (DWORD* in/out), configString (LPWSTR optional, out)
r1, _, err := procGetDeviceManagementConfigInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(providerID))),
	uintptr(configStringBufferLength),
	uintptr(configString),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetDeviceManagementConfigInfo(
  providerID: PWideChar;   // LPCWSTR
  configStringBufferLength: Pointer;   // DWORD* in/out
  configString: PWideChar   // LPWSTR optional, out
): Integer; stdcall;
  external 'MDMRegistration.dll' name 'GetDeviceManagementConfigInfo';

result := DllCall("MDMRegistration\GetDeviceManagementConfigInfo"
    , "WStr", providerID   ; LPCWSTR
    , "Ptr", configStringBufferLength   ; DWORD* in/out
    , "Ptr", configString   ; LPWSTR optional, out
    , "Int")   ; return: HRESULT

●GetDeviceManagementConfigInfo(providerID, configStringBufferLength, configString) = DLL("MDMRegistration.dll", "int GetDeviceManagementConfigInfo(char*, void*, char*)")
# 呼び出し: GetDeviceManagementConfigInfo(providerID, configStringBufferLength, configString)
# providerID : LPCWSTR -> "char*"
# configStringBufferLength : DWORD* in/out -> "void*"
# configString : LPWSTR optional, out -> "char*"
# 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)。