KeyCredentialManagerGetInformation

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

HRESULT KeyCredentialManagerGetInformation(
    KeyCredentialManagerInfo** keyCredentialManagerInfo
);

<DllImport("KeyCredMgr.dll", ExactSpelling:=True)>
Public Shared Function KeyCredentialManagerGetInformation(
    keyCredentialManagerInfo As IntPtr   ' KeyCredentialManagerInfo** out
) As Integer
End Function

' keyCredentialManagerInfo : KeyCredentialManagerInfo** out
Declare PtrSafe Function KeyCredentialManagerGetInformation Lib "keycredmgr" ( _
    ByVal keyCredentialManagerInfo 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

KeyCredentialManagerGetInformation = ctypes.windll.keycredmgr.KeyCredentialManagerGetInformation
KeyCredentialManagerGetInformation.restype = ctypes.c_int
KeyCredentialManagerGetInformation.argtypes = [
    ctypes.c_void_p,  # keyCredentialManagerInfo : KeyCredentialManagerInfo** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KeyCredMgr.dll')
KeyCredentialManagerGetInformation = Fiddle::Function.new(
  lib['KeyCredentialManagerGetInformation'],
  [
    Fiddle::TYPE_VOIDP,  # keyCredentialManagerInfo : KeyCredentialManagerInfo** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "keycredmgr")]
extern "system" {
    fn KeyCredentialManagerGetInformation(
        keyCredentialManagerInfo: *mut *mut KeyCredentialManagerInfo  // KeyCredentialManagerInfo** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KeyCredMgr.dll")]
public static extern int KeyCredentialManagerGetInformation(IntPtr keyCredentialManagerInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KeyCredMgr_KeyCredentialManagerGetInformation' -Namespace Win32 -PassThru
# $api::KeyCredentialManagerGetInformation(keyCredentialManagerInfo)

#uselib "KeyCredMgr.dll"
#func global KeyCredentialManagerGetInformation "KeyCredentialManagerGetInformation" sptr
; KeyCredentialManagerGetInformation varptr(keyCredentialManagerInfo)   ; 戻り値は stat
; keyCredentialManagerInfo : KeyCredentialManagerInfo** 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 "KeyCredMgr.dll"
#cfunc global KeyCredentialManagerGetInformation "KeyCredentialManagerGetInformation" var
; res = KeyCredentialManagerGetInformation(keyCredentialManagerInfo)
; keyCredentialManagerInfo : KeyCredentialManagerInfo** 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 KeyCredentialManagerGetInformation(KeyCredentialManagerInfo** keyCredentialManagerInfo)
#uselib "KeyCredMgr.dll"
#cfunc global KeyCredentialManagerGetInformation "KeyCredentialManagerGetInformation" var
; res = KeyCredentialManagerGetInformation(keyCredentialManagerInfo)
; keyCredentialManagerInfo : KeyCredentialManagerInfo** 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 (
	keycredmgr = windows.NewLazySystemDLL("KeyCredMgr.dll")
	procKeyCredentialManagerGetInformation = keycredmgr.NewProc("KeyCredentialManagerGetInformation")
)

// keyCredentialManagerInfo (KeyCredentialManagerInfo** out)
r1, _, err := procKeyCredentialManagerGetInformation.Call(
	uintptr(keyCredentialManagerInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function KeyCredentialManagerGetInformation(
  keyCredentialManagerInfo: Pointer   // KeyCredentialManagerInfo** out
): Integer; stdcall;
  external 'KeyCredMgr.dll' name 'KeyCredentialManagerGetInformation';

result := DllCall("KeyCredMgr\KeyCredentialManagerGetInformation"
    , "Ptr", keyCredentialManagerInfo   ; KeyCredentialManagerInfo** out
    , "Int")   ; return: HRESULT

●KeyCredentialManagerGetInformation(keyCredentialManagerInfo) = DLL("KeyCredMgr.dll", "int KeyCredentialManagerGetInformation(void*)")
# 呼び出し: KeyCredentialManagerGetInformation(keyCredentialManagerInfo)
# keyCredentialManagerInfo : KeyCredentialManagerInfo** 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)。