WTSVirtualChannelOpenEx

// WTSAPI32.dll
#include <windows.h>

HANDLE WTSVirtualChannelOpenEx(
    DWORD SessionId,
    LPSTR pVirtualName,
    DWORD flags
);

<DllImport("WTSAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WTSVirtualChannelOpenEx(
    SessionId As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> pVirtualName As String,   ' LPSTR
    flags As UInteger   ' DWORD
) As IntPtr
End Function

' SessionId : DWORD
' pVirtualName : LPSTR
' flags : DWORD
Declare PtrSafe Function WTSVirtualChannelOpenEx Lib "wtsapi32" ( _
    ByVal SessionId As Long, _
    ByVal pVirtualName As String, _
    ByVal flags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WTSVirtualChannelOpenEx = ctypes.windll.wtsapi32.WTSVirtualChannelOpenEx
WTSVirtualChannelOpenEx.restype = ctypes.c_void_p
WTSVirtualChannelOpenEx.argtypes = [
    wintypes.DWORD,  # SessionId : DWORD
    wintypes.LPCSTR,  # pVirtualName : LPSTR
    wintypes.DWORD,  # flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WTSAPI32.dll')
WTSVirtualChannelOpenEx = Fiddle::Function.new(
  lib['WTSVirtualChannelOpenEx'],
  [
    -Fiddle::TYPE_INT,  # SessionId : DWORD
    Fiddle::TYPE_VOIDP,  # pVirtualName : LPSTR
    -Fiddle::TYPE_INT,  # flags : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "wtsapi32")]
extern "system" {
    fn WTSVirtualChannelOpenEx(
        SessionId: u32,  // DWORD
        pVirtualName: *mut u8,  // LPSTR
        flags: u32  // DWORD
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WTSAPI32.dll", SetLastError = true)]
public static extern IntPtr WTSVirtualChannelOpenEx(uint SessionId, [MarshalAs(UnmanagedType.LPStr)] string pVirtualName, uint flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WTSAPI32_WTSVirtualChannelOpenEx' -Namespace Win32 -PassThru
# $api::WTSVirtualChannelOpenEx(SessionId, pVirtualName, flags)

#uselib "WTSAPI32.dll"
#func global WTSVirtualChannelOpenEx "WTSVirtualChannelOpenEx" sptr, sptr, sptr
; WTSVirtualChannelOpenEx SessionId, pVirtualName, flags   ; 戻り値は stat
; SessionId : DWORD -> "sptr"
; pVirtualName : LPSTR -> "sptr"
; flags : 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 "WTSAPI32.dll"
#cfunc global WTSVirtualChannelOpenEx "WTSVirtualChannelOpenEx" int, str, int
; res = WTSVirtualChannelOpenEx(SessionId, pVirtualName, flags)
; SessionId : DWORD -> "int"
; pVirtualName : LPSTR -> "str"
; flags : DWORD -> "int"

; HANDLE WTSVirtualChannelOpenEx(DWORD SessionId, LPSTR pVirtualName, DWORD flags)
#uselib "WTSAPI32.dll"
#cfunc global WTSVirtualChannelOpenEx "WTSVirtualChannelOpenEx" int, str, int
; res = WTSVirtualChannelOpenEx(SessionId, pVirtualName, flags)
; SessionId : DWORD -> "int"
; pVirtualName : LPSTR -> "str"
; flags : DWORD -> "int"

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

var (
	wtsapi32 = windows.NewLazySystemDLL("WTSAPI32.dll")
	procWTSVirtualChannelOpenEx = wtsapi32.NewProc("WTSVirtualChannelOpenEx")
)

// SessionId (DWORD), pVirtualName (LPSTR), flags (DWORD)
r1, _, err := procWTSVirtualChannelOpenEx.Call(
	uintptr(SessionId),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pVirtualName))),
	uintptr(flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function WTSVirtualChannelOpenEx(
  SessionId: DWORD;   // DWORD
  pVirtualName: PAnsiChar;   // LPSTR
  flags: DWORD   // DWORD
): THandle; stdcall;
  external 'WTSAPI32.dll' name 'WTSVirtualChannelOpenEx';

result := DllCall("WTSAPI32\WTSVirtualChannelOpenEx"
    , "UInt", SessionId   ; DWORD
    , "AStr", pVirtualName   ; LPSTR
    , "UInt", flags   ; DWORD
    , "Ptr")   ; return: HANDLE

●WTSVirtualChannelOpenEx(SessionId, pVirtualName, flags) = DLL("WTSAPI32.dll", "void* WTSVirtualChannelOpenEx(dword, char*, dword)")
# 呼び出し: WTSVirtualChannelOpenEx(SessionId, pVirtualName, flags)
# SessionId : DWORD -> "dword"
# pVirtualName : LPSTR -> "char*"
# flags : 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)。