PathSetDlgItemPathA

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

void PathSetDlgItemPathA(
    HWND hDlg,
    INT id,
    LPCSTR pszPath
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Sub PathSetDlgItemPathA(
    hDlg As IntPtr,   ' HWND
    id As Integer,   ' INT
    <MarshalAs(UnmanagedType.LPStr)> pszPath As String   ' LPCSTR
)
End Sub

' hDlg : HWND
' id : INT
' pszPath : LPCSTR
Declare PtrSafe Sub PathSetDlgItemPathA Lib "shlwapi" ( _
    ByVal hDlg As LongPtr, _
    ByVal id As Long, _
    ByVal pszPath As String)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PathSetDlgItemPathA = ctypes.windll.shlwapi.PathSetDlgItemPathA
PathSetDlgItemPathA.restype = None
PathSetDlgItemPathA.argtypes = [
    wintypes.HANDLE,  # hDlg : HWND
    ctypes.c_int,  # id : INT
    wintypes.LPCSTR,  # pszPath : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
PathSetDlgItemPathA = Fiddle::Function.new(
  lib['PathSetDlgItemPathA'],
  [
    Fiddle::TYPE_VOIDP,  # hDlg : HWND
    Fiddle::TYPE_INT,  # id : INT
    Fiddle::TYPE_VOIDP,  # pszPath : LPCSTR
  ],
  Fiddle::TYPE_VOID)

#[link(name = "shlwapi")]
extern "system" {
    fn PathSetDlgItemPathA(
        hDlg: *mut core::ffi::c_void,  // HWND
        id: i32,  // INT
        pszPath: *const u8  // LPCSTR
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern void PathSetDlgItemPathA(IntPtr hDlg, int id, [MarshalAs(UnmanagedType.LPStr)] string pszPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_PathSetDlgItemPathA' -Namespace Win32 -PassThru
# $api::PathSetDlgItemPathA(hDlg, id, pszPath)

#uselib "SHLWAPI.dll"
#func global PathSetDlgItemPathA "PathSetDlgItemPathA" sptr, sptr, sptr
; PathSetDlgItemPathA hDlg, id, pszPath
; hDlg : HWND -> "sptr"
; id : INT -> "sptr"
; pszPath : LPCSTR -> "sptr"

#uselib "SHLWAPI.dll"
#func global PathSetDlgItemPathA "PathSetDlgItemPathA" sptr, int, str
; PathSetDlgItemPathA hDlg, id, pszPath
; hDlg : HWND -> "sptr"
; id : INT -> "int"
; pszPath : LPCSTR -> "str"

; void PathSetDlgItemPathA(HWND hDlg, INT id, LPCSTR pszPath)
#uselib "SHLWAPI.dll"
#func global PathSetDlgItemPathA "PathSetDlgItemPathA" intptr, int, str
; PathSetDlgItemPathA hDlg, id, pszPath
; hDlg : HWND -> "intptr"
; id : INT -> "int"
; pszPath : LPCSTR -> "str"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procPathSetDlgItemPathA = shlwapi.NewProc("PathSetDlgItemPathA")
)

// hDlg (HWND), id (INT), pszPath (LPCSTR)
r1, _, err := procPathSetDlgItemPathA.Call(
	uintptr(hDlg),
	uintptr(id),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPath))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure PathSetDlgItemPathA(
  hDlg: THandle;   // HWND
  id: Integer;   // INT
  pszPath: PAnsiChar   // LPCSTR
); stdcall;
  external 'SHLWAPI.dll' name 'PathSetDlgItemPathA';

result := DllCall("SHLWAPI\PathSetDlgItemPathA"
    , "Ptr", hDlg   ; HWND
    , "Int", id   ; INT
    , "AStr", pszPath   ; LPCSTR
    , "Int")   ; return: void

●PathSetDlgItemPathA(hDlg, id, pszPath) = DLL("SHLWAPI.dll", "int PathSetDlgItemPathA(void*, int, char*)")
# 呼び出し: PathSetDlgItemPathA(hDlg, id, pszPath)
# hDlg : HWND -> "void*"
# id : INT -> "int"
# pszPath : LPCSTR -> "char*"
# 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)。