SHUpdateImageA

// SHELL32.dll  (ANSI / -A)
#include <windows.h>

void SHUpdateImageA(
    LPCSTR pszHashItem,
    INT iIndex,
    DWORD uFlags,
    INT iImageIndex
);

<DllImport("SHELL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Sub SHUpdateImageA(
    <MarshalAs(UnmanagedType.LPStr)> pszHashItem As String,   ' LPCSTR
    iIndex As Integer,   ' INT
    uFlags As UInteger,   ' DWORD
    iImageIndex As Integer   ' INT
)
End Sub

' pszHashItem : LPCSTR
' iIndex : INT
' uFlags : DWORD
' iImageIndex : INT
Declare PtrSafe Sub SHUpdateImageA Lib "shell32" ( _
    ByVal pszHashItem As String, _
    ByVal iIndex As Long, _
    ByVal uFlags As Long, _
    ByVal iImageIndex As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHUpdateImageA = ctypes.windll.shell32.SHUpdateImageA
SHUpdateImageA.restype = None
SHUpdateImageA.argtypes = [
    wintypes.LPCSTR,  # pszHashItem : LPCSTR
    ctypes.c_int,  # iIndex : INT
    wintypes.DWORD,  # uFlags : DWORD
    ctypes.c_int,  # iImageIndex : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHUpdateImageA = Fiddle::Function.new(
  lib['SHUpdateImageA'],
  [
    Fiddle::TYPE_VOIDP,  # pszHashItem : LPCSTR
    Fiddle::TYPE_INT,  # iIndex : INT
    -Fiddle::TYPE_INT,  # uFlags : DWORD
    Fiddle::TYPE_INT,  # iImageIndex : INT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "shell32")]
extern "system" {
    fn SHUpdateImageA(
        pszHashItem: *const u8,  // LPCSTR
        iIndex: i32,  // INT
        uFlags: u32,  // DWORD
        iImageIndex: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll", CharSet = CharSet.Ansi)]
public static extern void SHUpdateImageA([MarshalAs(UnmanagedType.LPStr)] string pszHashItem, int iIndex, uint uFlags, int iImageIndex);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHUpdateImageA' -Namespace Win32 -PassThru
# $api::SHUpdateImageA(pszHashItem, iIndex, uFlags, iImageIndex)

#uselib "SHELL32.dll"
#func global SHUpdateImageA "SHUpdateImageA" sptr, sptr, sptr, sptr
; SHUpdateImageA pszHashItem, iIndex, uFlags, iImageIndex
; pszHashItem : LPCSTR -> "sptr"
; iIndex : INT -> "sptr"
; uFlags : DWORD -> "sptr"
; iImageIndex : INT -> "sptr"

#uselib "SHELL32.dll"
#func global SHUpdateImageA "SHUpdateImageA" str, int, int, int
; SHUpdateImageA pszHashItem, iIndex, uFlags, iImageIndex
; pszHashItem : LPCSTR -> "str"
; iIndex : INT -> "int"
; uFlags : DWORD -> "int"
; iImageIndex : INT -> "int"

; void SHUpdateImageA(LPCSTR pszHashItem, INT iIndex, DWORD uFlags, INT iImageIndex)
#uselib "SHELL32.dll"
#func global SHUpdateImageA "SHUpdateImageA" str, int, int, int
; SHUpdateImageA pszHashItem, iIndex, uFlags, iImageIndex
; pszHashItem : LPCSTR -> "str"
; iIndex : INT -> "int"
; uFlags : DWORD -> "int"
; iImageIndex : INT -> "int"

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

var (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHUpdateImageA = shell32.NewProc("SHUpdateImageA")
)

// pszHashItem (LPCSTR), iIndex (INT), uFlags (DWORD), iImageIndex (INT)
r1, _, err := procSHUpdateImageA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszHashItem))),
	uintptr(iIndex),
	uintptr(uFlags),
	uintptr(iImageIndex),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure SHUpdateImageA(
  pszHashItem: PAnsiChar;   // LPCSTR
  iIndex: Integer;   // INT
  uFlags: DWORD;   // DWORD
  iImageIndex: Integer   // INT
); stdcall;
  external 'SHELL32.dll' name 'SHUpdateImageA';

result := DllCall("SHELL32\SHUpdateImageA"
    , "AStr", pszHashItem   ; LPCSTR
    , "Int", iIndex   ; INT
    , "UInt", uFlags   ; DWORD
    , "Int", iImageIndex   ; INT
    , "Int")   ; return: void

●SHUpdateImageA(pszHashItem, iIndex, uFlags, iImageIndex) = DLL("SHELL32.dll", "int SHUpdateImageA(char*, int, dword, int)")
# 呼び出し: SHUpdateImageA(pszHashItem, iIndex, uFlags, iImageIndex)
# pszHashItem : LPCSTR -> "char*"
# iIndex : INT -> "int"
# uFlags : DWORD -> "dword"
# iImageIndex : INT -> "int"
# 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)。