PTGetPrintCapabilities

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

HRESULT PTGetPrintCapabilities(
    HPTPROVIDER hProvider,
    IStream* pPrintTicket,   // optional
    IStream* pCapabilities,
    LPWSTR* pbstrErrorMessage   // optional
);

<DllImport("prntvpt.dll", ExactSpelling:=True)>
Public Shared Function PTGetPrintCapabilities(
    hProvider As IntPtr,   ' HPTPROVIDER
    pPrintTicket As IntPtr,   ' IStream* optional
    pCapabilities As IntPtr,   ' IStream*
    pbstrErrorMessage As IntPtr   ' LPWSTR* optional, out
) As Integer
End Function

' hProvider : HPTPROVIDER
' pPrintTicket : IStream* optional
' pCapabilities : IStream*
' pbstrErrorMessage : LPWSTR* optional, out
Declare PtrSafe Function PTGetPrintCapabilities Lib "prntvpt" ( _
    ByVal hProvider As LongPtr, _
    ByVal pPrintTicket As LongPtr, _
    ByVal pCapabilities As LongPtr, _
    ByVal pbstrErrorMessage 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

PTGetPrintCapabilities = ctypes.windll.prntvpt.PTGetPrintCapabilities
PTGetPrintCapabilities.restype = ctypes.c_int
PTGetPrintCapabilities.argtypes = [
    wintypes.HANDLE,  # hProvider : HPTPROVIDER
    ctypes.c_void_p,  # pPrintTicket : IStream* optional
    ctypes.c_void_p,  # pCapabilities : IStream*
    ctypes.c_void_p,  # pbstrErrorMessage : LPWSTR* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('prntvpt.dll')
PTGetPrintCapabilities = Fiddle::Function.new(
  lib['PTGetPrintCapabilities'],
  [
    Fiddle::TYPE_VOIDP,  # hProvider : HPTPROVIDER
    Fiddle::TYPE_VOIDP,  # pPrintTicket : IStream* optional
    Fiddle::TYPE_VOIDP,  # pCapabilities : IStream*
    Fiddle::TYPE_VOIDP,  # pbstrErrorMessage : LPWSTR* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "prntvpt")]
extern "system" {
    fn PTGetPrintCapabilities(
        hProvider: *mut core::ffi::c_void,  // HPTPROVIDER
        pPrintTicket: *mut core::ffi::c_void,  // IStream* optional
        pCapabilities: *mut core::ffi::c_void,  // IStream*
        pbstrErrorMessage: *mut *mut u16  // LPWSTR* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("prntvpt.dll")]
public static extern int PTGetPrintCapabilities(IntPtr hProvider, IntPtr pPrintTicket, IntPtr pCapabilities, IntPtr pbstrErrorMessage);
"@
$api = Add-Type -MemberDefinition $sig -Name 'prntvpt_PTGetPrintCapabilities' -Namespace Win32 -PassThru
# $api::PTGetPrintCapabilities(hProvider, pPrintTicket, pCapabilities, pbstrErrorMessage)

#uselib "prntvpt.dll"
#func global PTGetPrintCapabilities "PTGetPrintCapabilities" sptr, sptr, sptr, sptr
; PTGetPrintCapabilities hProvider, pPrintTicket, pCapabilities, varptr(pbstrErrorMessage)   ; 戻り値は stat
; hProvider : HPTPROVIDER -> "sptr"
; pPrintTicket : IStream* optional -> "sptr"
; pCapabilities : IStream* -> "sptr"
; pbstrErrorMessage : LPWSTR* optional, 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 "prntvpt.dll"
#cfunc global PTGetPrintCapabilities "PTGetPrintCapabilities" sptr, sptr, sptr, var
; res = PTGetPrintCapabilities(hProvider, pPrintTicket, pCapabilities, pbstrErrorMessage)
; hProvider : HPTPROVIDER -> "sptr"
; pPrintTicket : IStream* optional -> "sptr"
; pCapabilities : IStream* -> "sptr"
; pbstrErrorMessage : LPWSTR* optional, 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 PTGetPrintCapabilities(HPTPROVIDER hProvider, IStream* pPrintTicket, IStream* pCapabilities, LPWSTR* pbstrErrorMessage)
#uselib "prntvpt.dll"
#cfunc global PTGetPrintCapabilities "PTGetPrintCapabilities" intptr, intptr, intptr, var
; res = PTGetPrintCapabilities(hProvider, pPrintTicket, pCapabilities, pbstrErrorMessage)
; hProvider : HPTPROVIDER -> "intptr"
; pPrintTicket : IStream* optional -> "intptr"
; pCapabilities : IStream* -> "intptr"
; pbstrErrorMessage : LPWSTR* optional, 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 (
	prntvpt = windows.NewLazySystemDLL("prntvpt.dll")
	procPTGetPrintCapabilities = prntvpt.NewProc("PTGetPrintCapabilities")
)

// hProvider (HPTPROVIDER), pPrintTicket (IStream* optional), pCapabilities (IStream*), pbstrErrorMessage (LPWSTR* optional, out)
r1, _, err := procPTGetPrintCapabilities.Call(
	uintptr(hProvider),
	uintptr(pPrintTicket),
	uintptr(pCapabilities),
	uintptr(pbstrErrorMessage),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PTGetPrintCapabilities(
  hProvider: THandle;   // HPTPROVIDER
  pPrintTicket: Pointer;   // IStream* optional
  pCapabilities: Pointer;   // IStream*
  pbstrErrorMessage: PPWideChar   // LPWSTR* optional, out
): Integer; stdcall;
  external 'prntvpt.dll' name 'PTGetPrintCapabilities';

result := DllCall("prntvpt\PTGetPrintCapabilities"
    , "Ptr", hProvider   ; HPTPROVIDER
    , "Ptr", pPrintTicket   ; IStream* optional
    , "Ptr", pCapabilities   ; IStream*
    , "Ptr", pbstrErrorMessage   ; LPWSTR* optional, out
    , "Int")   ; return: HRESULT

●PTGetPrintCapabilities(hProvider, pPrintTicket, pCapabilities, pbstrErrorMessage) = DLL("prntvpt.dll", "int PTGetPrintCapabilities(void*, void*, void*, void*)")
# 呼び出し: PTGetPrintCapabilities(hProvider, pPrintTicket, pCapabilities, pbstrErrorMessage)
# hProvider : HPTPROVIDER -> "void*"
# pPrintTicket : IStream* optional -> "void*"
# pCapabilities : IStream* -> "void*"
# pbstrErrorMessage : LPWSTR* optional, 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)。