CredIsMarshaledCredentialW

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

BOOL CredIsMarshaledCredentialW(
    LPCWSTR MarshaledCredential
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CredIsMarshaledCredentialW(
    <MarshalAs(UnmanagedType.LPWStr)> MarshaledCredential As String   ' LPCWSTR
) As Boolean
End Function

' MarshaledCredential : LPCWSTR
Declare PtrSafe Function CredIsMarshaledCredentialW Lib "advapi32" ( _
    ByVal MarshaledCredential As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CredIsMarshaledCredentialW = ctypes.windll.advapi32.CredIsMarshaledCredentialW
CredIsMarshaledCredentialW.restype = wintypes.BOOL
CredIsMarshaledCredentialW.argtypes = [
    wintypes.LPCWSTR,  # MarshaledCredential : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
CredIsMarshaledCredentialW = Fiddle::Function.new(
  lib['CredIsMarshaledCredentialW'],
  [
    Fiddle::TYPE_VOIDP,  # MarshaledCredential : LPCWSTR
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "advapi32")]
extern "system" {
    fn CredIsMarshaledCredentialW(
        MarshaledCredential: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode)]
public static extern bool CredIsMarshaledCredentialW([MarshalAs(UnmanagedType.LPWStr)] string MarshaledCredential);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CredIsMarshaledCredentialW' -Namespace Win32 -PassThru
# $api::CredIsMarshaledCredentialW(MarshaledCredential)

#uselib "ADVAPI32.dll"
#func global CredIsMarshaledCredentialW "CredIsMarshaledCredentialW" wptr
; CredIsMarshaledCredentialW MarshaledCredential   ; 戻り値は stat
; MarshaledCredential : LPCWSTR -> "wptr"
; ※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 "ADVAPI32.dll"
#cfunc global CredIsMarshaledCredentialW "CredIsMarshaledCredentialW" wstr
; res = CredIsMarshaledCredentialW(MarshaledCredential)
; MarshaledCredential : LPCWSTR -> "wstr"

; BOOL CredIsMarshaledCredentialW(LPCWSTR MarshaledCredential)
#uselib "ADVAPI32.dll"
#cfunc global CredIsMarshaledCredentialW "CredIsMarshaledCredentialW" wstr
; res = CredIsMarshaledCredentialW(MarshaledCredential)
; MarshaledCredential : LPCWSTR -> "wstr"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCredIsMarshaledCredentialW = advapi32.NewProc("CredIsMarshaledCredentialW")
)

// MarshaledCredential (LPCWSTR)
r1, _, err := procCredIsMarshaledCredentialW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(MarshaledCredential))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CredIsMarshaledCredentialW(
  MarshaledCredential: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CredIsMarshaledCredentialW';

result := DllCall("ADVAPI32\CredIsMarshaledCredentialW"
    , "WStr", MarshaledCredential   ; LPCWSTR
    , "Int")   ; return: BOOL

●CredIsMarshaledCredentialW(MarshaledCredential) = DLL("ADVAPI32.dll", "bool CredIsMarshaledCredentialW(char*)")
# 呼び出し: CredIsMarshaledCredentialW(MarshaledCredential)
# MarshaledCredential : LPCWSTR -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。