WHvDeleteVirtualProcessor

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

HRESULT WHvDeleteVirtualProcessor(
    WHV_PARTITION_HANDLE Partition,
    DWORD VpIndex
);

<DllImport("WinHvPlatform.dll", ExactSpelling:=True)>
Public Shared Function WHvDeleteVirtualProcessor(
    Partition As IntPtr,   ' WHV_PARTITION_HANDLE
    VpIndex As UInteger   ' DWORD
) As Integer
End Function

' Partition : WHV_PARTITION_HANDLE
' VpIndex : DWORD
Declare PtrSafe Function WHvDeleteVirtualProcessor Lib "winhvplatform" ( _
    ByVal Partition As LongPtr, _
    ByVal VpIndex 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

WHvDeleteVirtualProcessor = ctypes.windll.winhvplatform.WHvDeleteVirtualProcessor
WHvDeleteVirtualProcessor.restype = ctypes.c_int
WHvDeleteVirtualProcessor.argtypes = [
    ctypes.c_ssize_t,  # Partition : WHV_PARTITION_HANDLE
    wintypes.DWORD,  # VpIndex : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinHvPlatform.dll')
WHvDeleteVirtualProcessor = Fiddle::Function.new(
  lib['WHvDeleteVirtualProcessor'],
  [
    Fiddle::TYPE_INTPTR_T,  # Partition : WHV_PARTITION_HANDLE
    -Fiddle::TYPE_INT,  # VpIndex : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhvplatform")]
extern "system" {
    fn WHvDeleteVirtualProcessor(
        Partition: isize,  // WHV_PARTITION_HANDLE
        VpIndex: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinHvPlatform.dll")]
public static extern int WHvDeleteVirtualProcessor(IntPtr Partition, uint VpIndex);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinHvPlatform_WHvDeleteVirtualProcessor' -Namespace Win32 -PassThru
# $api::WHvDeleteVirtualProcessor(Partition, VpIndex)

#uselib "WinHvPlatform.dll"
#func global WHvDeleteVirtualProcessor "WHvDeleteVirtualProcessor" sptr, sptr
; WHvDeleteVirtualProcessor Partition, VpIndex   ; 戻り値は stat
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; VpIndex : DWORD -> "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 "WinHvPlatform.dll"
#cfunc global WHvDeleteVirtualProcessor "WHvDeleteVirtualProcessor" sptr, int
; res = WHvDeleteVirtualProcessor(Partition, VpIndex)
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; VpIndex : DWORD -> "int"

; HRESULT WHvDeleteVirtualProcessor(WHV_PARTITION_HANDLE Partition, DWORD VpIndex)
#uselib "WinHvPlatform.dll"
#cfunc global WHvDeleteVirtualProcessor "WHvDeleteVirtualProcessor" intptr, int
; res = WHvDeleteVirtualProcessor(Partition, VpIndex)
; Partition : WHV_PARTITION_HANDLE -> "intptr"
; VpIndex : DWORD -> "int"

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

var (
	winhvplatform = windows.NewLazySystemDLL("WinHvPlatform.dll")
	procWHvDeleteVirtualProcessor = winhvplatform.NewProc("WHvDeleteVirtualProcessor")
)

// Partition (WHV_PARTITION_HANDLE), VpIndex (DWORD)
r1, _, err := procWHvDeleteVirtualProcessor.Call(
	uintptr(Partition),
	uintptr(VpIndex),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WHvDeleteVirtualProcessor(
  Partition: NativeInt;   // WHV_PARTITION_HANDLE
  VpIndex: DWORD   // DWORD
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvDeleteVirtualProcessor';

result := DllCall("WinHvPlatform\WHvDeleteVirtualProcessor"
    , "Ptr", Partition   ; WHV_PARTITION_HANDLE
    , "UInt", VpIndex   ; DWORD
    , "Int")   ; return: HRESULT

●WHvDeleteVirtualProcessor(Partition, VpIndex) = DLL("WinHvPlatform.dll", "int WHvDeleteVirtualProcessor(int, dword)")
# 呼び出し: WHvDeleteVirtualProcessor(Partition, VpIndex)
# Partition : WHV_PARTITION_HANDLE -> "int"
# VpIndex : DWORD -> "dword"
# 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)。