ClusterSharedVolumeSetSnapshotState

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

DWORD ClusterSharedVolumeSetSnapshotState(
    GUID guidSnapshotSet,
    LPCWSTR lpszVolumeName,
    CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE state
);

<DllImport("CLUSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ClusterSharedVolumeSetSnapshotState(
    guidSnapshotSet As Guid,   ' GUID
    <MarshalAs(UnmanagedType.LPWStr)> lpszVolumeName As String,   ' LPCWSTR
    state As Integer   ' CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE
) As UInteger
End Function

' guidSnapshotSet : GUID
' lpszVolumeName : LPCWSTR
' state : CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE
Declare PtrSafe Function ClusterSharedVolumeSetSnapshotState Lib "clusapi" ( _
    ByVal guidSnapshotSet As LongPtr, _
    ByVal lpszVolumeName As LongPtr, _
    ByVal state 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

ClusterSharedVolumeSetSnapshotState = ctypes.windll.clusapi.ClusterSharedVolumeSetSnapshotState
ClusterSharedVolumeSetSnapshotState.restype = wintypes.DWORD
ClusterSharedVolumeSetSnapshotState.argtypes = [
    ctypes.c_void_p,  # guidSnapshotSet : GUID
    wintypes.LPCWSTR,  # lpszVolumeName : LPCWSTR
    ctypes.c_int,  # state : CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterSharedVolumeSetSnapshotState = Fiddle::Function.new(
  lib['ClusterSharedVolumeSetSnapshotState'],
  [
    Fiddle::TYPE_VOIDP,  # guidSnapshotSet : GUID
    Fiddle::TYPE_VOIDP,  # lpszVolumeName : LPCWSTR
    Fiddle::TYPE_INT,  # state : CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterSharedVolumeSetSnapshotState(
        guidSnapshotSet: GUID,  // GUID
        lpszVolumeName: *const u16,  // LPCWSTR
        state: i32  // CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll", SetLastError = true)]
public static extern uint ClusterSharedVolumeSetSnapshotState(Guid guidSnapshotSet, [MarshalAs(UnmanagedType.LPWStr)] string lpszVolumeName, int state);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterSharedVolumeSetSnapshotState' -Namespace Win32 -PassThru
# $api::ClusterSharedVolumeSetSnapshotState(guidSnapshotSet, lpszVolumeName, state)

#uselib "CLUSAPI.dll"
#func global ClusterSharedVolumeSetSnapshotState "ClusterSharedVolumeSetSnapshotState" sptr, sptr, sptr
; ClusterSharedVolumeSetSnapshotState guidSnapshotSet, lpszVolumeName, state   ; 戻り値は stat
; guidSnapshotSet : GUID -> "sptr"
; lpszVolumeName : LPCWSTR -> "sptr"
; state : CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "CLUSAPI.dll"
#cfunc global ClusterSharedVolumeSetSnapshotState "ClusterSharedVolumeSetSnapshotState" int, wstr, int
; res = ClusterSharedVolumeSetSnapshotState(guidSnapshotSet, lpszVolumeName, state)
; guidSnapshotSet : GUID -> "int"
; lpszVolumeName : LPCWSTR -> "wstr"
; state : CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

; DWORD ClusterSharedVolumeSetSnapshotState(GUID guidSnapshotSet, LPCWSTR lpszVolumeName, CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE state)
#uselib "CLUSAPI.dll"
#cfunc global ClusterSharedVolumeSetSnapshotState "ClusterSharedVolumeSetSnapshotState" int, wstr, int
; res = ClusterSharedVolumeSetSnapshotState(guidSnapshotSet, lpszVolumeName, state)
; guidSnapshotSet : GUID -> "int"
; lpszVolumeName : LPCWSTR -> "wstr"
; state : CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterSharedVolumeSetSnapshotState = clusapi.NewProc("ClusterSharedVolumeSetSnapshotState")
)

// guidSnapshotSet (GUID), lpszVolumeName (LPCWSTR), state (CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE)
r1, _, err := procClusterSharedVolumeSetSnapshotState.Call(
	uintptr(guidSnapshotSet),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszVolumeName))),
	uintptr(state),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ClusterSharedVolumeSetSnapshotState(
  guidSnapshotSet: TGUID;   // GUID
  lpszVolumeName: PWideChar;   // LPCWSTR
  state: Integer   // CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterSharedVolumeSetSnapshotState';

result := DllCall("CLUSAPI\ClusterSharedVolumeSetSnapshotState"
    , "Ptr", guidSnapshotSet   ; GUID
    , "WStr", lpszVolumeName   ; LPCWSTR
    , "Int", state   ; CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE
    , "UInt")   ; return: DWORD

●ClusterSharedVolumeSetSnapshotState(guidSnapshotSet, lpszVolumeName, state) = DLL("CLUSAPI.dll", "dword ClusterSharedVolumeSetSnapshotState(void*, char*, int)")
# 呼び出し: ClusterSharedVolumeSetSnapshotState(guidSnapshotSet, lpszVolumeName, state)
# guidSnapshotSet : GUID -> "void*"
# lpszVolumeName : LPCWSTR -> "char*"
# state : CLUSTER_SHARED_VOLUME_SNAPSHOT_STATE -> "int"
# 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)。