UrlCreateFromPathA

// SHLWAPI.dll  (ANSI / -A)
#include <windows.h>

HRESULT UrlCreateFromPathA(
    LPCSTR pszPath,
    LPSTR pszUrl,
    DWORD* pcchUrl,
    DWORD dwFlags
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function UrlCreateFromPathA(
    <MarshalAs(UnmanagedType.LPStr)> pszPath As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pszUrl As System.Text.StringBuilder,   ' LPSTR out
    ByRef pcchUrl As UInteger,   ' DWORD* in/out
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' pszPath : LPCSTR
' pszUrl : LPSTR out
' pcchUrl : DWORD* in/out
' dwFlags : DWORD
Declare PtrSafe Function UrlCreateFromPathA Lib "shlwapi" ( _
    ByVal pszPath As String, _
    ByVal pszUrl As String, _
    ByRef pcchUrl As Long, _
    ByVal dwFlags 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

UrlCreateFromPathA = ctypes.windll.shlwapi.UrlCreateFromPathA
UrlCreateFromPathA.restype = ctypes.c_int
UrlCreateFromPathA.argtypes = [
    wintypes.LPCSTR,  # pszPath : LPCSTR
    wintypes.LPSTR,  # pszUrl : LPSTR out
    ctypes.POINTER(wintypes.DWORD),  # pcchUrl : DWORD* in/out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
UrlCreateFromPathA = Fiddle::Function.new(
  lib['UrlCreateFromPathA'],
  [
    Fiddle::TYPE_VOIDP,  # pszPath : LPCSTR
    Fiddle::TYPE_VOIDP,  # pszUrl : LPSTR out
    Fiddle::TYPE_VOIDP,  # pcchUrl : DWORD* in/out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn UrlCreateFromPathA(
        pszPath: *const u8,  // LPCSTR
        pszUrl: *mut u8,  // LPSTR out
        pcchUrl: *mut u32,  // DWORD* in/out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern int UrlCreateFromPathA([MarshalAs(UnmanagedType.LPStr)] string pszPath, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszUrl, ref uint pcchUrl, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_UrlCreateFromPathA' -Namespace Win32 -PassThru
# $api::UrlCreateFromPathA(pszPath, pszUrl, pcchUrl, dwFlags)

#uselib "SHLWAPI.dll"
#func global UrlCreateFromPathA "UrlCreateFromPathA" sptr, sptr, sptr, sptr
; UrlCreateFromPathA pszPath, varptr(pszUrl), varptr(pcchUrl), dwFlags   ; 戻り値は stat
; pszPath : LPCSTR -> "sptr"
; pszUrl : LPSTR out -> "sptr"
; pcchUrl : DWORD* in/out -> "sptr"
; dwFlags : 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 "SHLWAPI.dll"
#cfunc global UrlCreateFromPathA "UrlCreateFromPathA" str, var, var, int
; res = UrlCreateFromPathA(pszPath, pszUrl, pcchUrl, dwFlags)
; pszPath : LPCSTR -> "str"
; pszUrl : LPSTR out -> "var"
; pcchUrl : DWORD* in/out -> "var"
; dwFlags : DWORD -> "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。

; HRESULT UrlCreateFromPathA(LPCSTR pszPath, LPSTR pszUrl, DWORD* pcchUrl, DWORD dwFlags)
#uselib "SHLWAPI.dll"
#cfunc global UrlCreateFromPathA "UrlCreateFromPathA" str, var, var, int
; res = UrlCreateFromPathA(pszPath, pszUrl, pcchUrl, dwFlags)
; pszPath : LPCSTR -> "str"
; pszUrl : LPSTR out -> "var"
; pcchUrl : DWORD* in/out -> "var"
; dwFlags : DWORD -> "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 (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procUrlCreateFromPathA = shlwapi.NewProc("UrlCreateFromPathA")
)

// pszPath (LPCSTR), pszUrl (LPSTR out), pcchUrl (DWORD* in/out), dwFlags (DWORD)
r1, _, err := procUrlCreateFromPathA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPath))),
	uintptr(pszUrl),
	uintptr(pcchUrl),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function UrlCreateFromPathA(
  pszPath: PAnsiChar;   // LPCSTR
  pszUrl: PAnsiChar;   // LPSTR out
  pcchUrl: Pointer;   // DWORD* in/out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'UrlCreateFromPathA';

result := DllCall("SHLWAPI\UrlCreateFromPathA"
    , "AStr", pszPath   ; LPCSTR
    , "Ptr", pszUrl   ; LPSTR out
    , "Ptr", pcchUrl   ; DWORD* in/out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●UrlCreateFromPathA(pszPath, pszUrl, pcchUrl, dwFlags) = DLL("SHLWAPI.dll", "int UrlCreateFromPathA(char*, char*, void*, dword)")
# 呼び出し: UrlCreateFromPathA(pszPath, pszUrl, pcchUrl, dwFlags)
# pszPath : LPCSTR -> "char*"
# pszUrl : LPSTR out -> "char*"
# pcchUrl : DWORD* in/out -> "void*"
# dwFlags : 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)。