DeleteSnapshotVhdSet

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

WIN32_ERROR DeleteSnapshotVhdSet(
    HANDLE VirtualDiskHandle,
    const DELETE_SNAPSHOT_VHDSET_PARAMETERS* Parameters,
    DELETE_SNAPSHOT_VHDSET_FLAG Flags
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function DeleteSnapshotVhdSet(
    VirtualDiskHandle As IntPtr,   ' HANDLE
    Parameters As IntPtr,   ' DELETE_SNAPSHOT_VHDSET_PARAMETERS*
    Flags As Integer   ' DELETE_SNAPSHOT_VHDSET_FLAG
) As UInteger
End Function

' VirtualDiskHandle : HANDLE
' Parameters : DELETE_SNAPSHOT_VHDSET_PARAMETERS*
' Flags : DELETE_SNAPSHOT_VHDSET_FLAG
Declare PtrSafe Function DeleteSnapshotVhdSet Lib "virtdisk" ( _
    ByVal VirtualDiskHandle As LongPtr, _
    ByVal Parameters As LongPtr, _
    ByVal Flags 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

DeleteSnapshotVhdSet = ctypes.windll.virtdisk.DeleteSnapshotVhdSet
DeleteSnapshotVhdSet.restype = wintypes.DWORD
DeleteSnapshotVhdSet.argtypes = [
    wintypes.HANDLE,  # VirtualDiskHandle : HANDLE
    ctypes.c_void_p,  # Parameters : DELETE_SNAPSHOT_VHDSET_PARAMETERS*
    ctypes.c_int,  # Flags : DELETE_SNAPSHOT_VHDSET_FLAG
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
DeleteSnapshotVhdSet = Fiddle::Function.new(
  lib['DeleteSnapshotVhdSet'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualDiskHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # Parameters : DELETE_SNAPSHOT_VHDSET_PARAMETERS*
    Fiddle::TYPE_INT,  # Flags : DELETE_SNAPSHOT_VHDSET_FLAG
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn DeleteSnapshotVhdSet(
        VirtualDiskHandle: *mut core::ffi::c_void,  // HANDLE
        Parameters: *const DELETE_SNAPSHOT_VHDSET_PARAMETERS,  // DELETE_SNAPSHOT_VHDSET_PARAMETERS*
        Flags: i32  // DELETE_SNAPSHOT_VHDSET_FLAG
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint DeleteSnapshotVhdSet(IntPtr VirtualDiskHandle, IntPtr Parameters, int Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_DeleteSnapshotVhdSet' -Namespace Win32 -PassThru
# $api::DeleteSnapshotVhdSet(VirtualDiskHandle, Parameters, Flags)

#uselib "VirtDisk.dll"
#func global DeleteSnapshotVhdSet "DeleteSnapshotVhdSet" sptr, sptr, sptr
; DeleteSnapshotVhdSet VirtualDiskHandle, varptr(Parameters), Flags   ; 戻り値は stat
; VirtualDiskHandle : HANDLE -> "sptr"
; Parameters : DELETE_SNAPSHOT_VHDSET_PARAMETERS* -> "sptr"
; Flags : DELETE_SNAPSHOT_VHDSET_FLAG -> "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 "VirtDisk.dll"
#cfunc global DeleteSnapshotVhdSet "DeleteSnapshotVhdSet" sptr, var, int
; res = DeleteSnapshotVhdSet(VirtualDiskHandle, Parameters, Flags)
; VirtualDiskHandle : HANDLE -> "sptr"
; Parameters : DELETE_SNAPSHOT_VHDSET_PARAMETERS* -> "var"
; Flags : DELETE_SNAPSHOT_VHDSET_FLAG -> "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 DeleteSnapshotVhdSet(HANDLE VirtualDiskHandle, DELETE_SNAPSHOT_VHDSET_PARAMETERS* Parameters, DELETE_SNAPSHOT_VHDSET_FLAG Flags)
#uselib "VirtDisk.dll"
#cfunc global DeleteSnapshotVhdSet "DeleteSnapshotVhdSet" intptr, var, int
; res = DeleteSnapshotVhdSet(VirtualDiskHandle, Parameters, Flags)
; VirtualDiskHandle : HANDLE -> "intptr"
; Parameters : DELETE_SNAPSHOT_VHDSET_PARAMETERS* -> "var"
; Flags : DELETE_SNAPSHOT_VHDSET_FLAG -> "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 (
	virtdisk = windows.NewLazySystemDLL("VirtDisk.dll")
	procDeleteSnapshotVhdSet = virtdisk.NewProc("DeleteSnapshotVhdSet")
)

// VirtualDiskHandle (HANDLE), Parameters (DELETE_SNAPSHOT_VHDSET_PARAMETERS*), Flags (DELETE_SNAPSHOT_VHDSET_FLAG)
r1, _, err := procDeleteSnapshotVhdSet.Call(
	uintptr(VirtualDiskHandle),
	uintptr(Parameters),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function DeleteSnapshotVhdSet(
  VirtualDiskHandle: THandle;   // HANDLE
  Parameters: Pointer;   // DELETE_SNAPSHOT_VHDSET_PARAMETERS*
  Flags: Integer   // DELETE_SNAPSHOT_VHDSET_FLAG
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'DeleteSnapshotVhdSet';

result := DllCall("VirtDisk\DeleteSnapshotVhdSet"
    , "Ptr", VirtualDiskHandle   ; HANDLE
    , "Ptr", Parameters   ; DELETE_SNAPSHOT_VHDSET_PARAMETERS*
    , "Int", Flags   ; DELETE_SNAPSHOT_VHDSET_FLAG
    , "UInt")   ; return: WIN32_ERROR

●DeleteSnapshotVhdSet(VirtualDiskHandle, Parameters, Flags) = DLL("VirtDisk.dll", "dword DeleteSnapshotVhdSet(void*, void*, int)")
# 呼び出し: DeleteSnapshotVhdSet(VirtualDiskHandle, Parameters, Flags)
# VirtualDiskHandle : HANDLE -> "void*"
# Parameters : DELETE_SNAPSHOT_VHDSET_PARAMETERS* -> "void*"
# Flags : DELETE_SNAPSHOT_VHDSET_FLAG -> "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)。