MsiEnumComponentQualifiersA

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

DWORD MsiEnumComponentQualifiersA(
    LPCSTR szComponent,
    DWORD iIndex,
    LPSTR lpQualifierBuf,
    DWORD* pcchQualifierBuf,
    LPSTR lpApplicationDataBuf,   // optional
    DWORD* pcchApplicationDataBuf   // optional
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiEnumComponentQualifiersA(
    <MarshalAs(UnmanagedType.LPStr)> szComponent As String,   ' LPCSTR
    iIndex As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> lpQualifierBuf As System.Text.StringBuilder,   ' LPSTR out
    ByRef pcchQualifierBuf As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPStr)> lpApplicationDataBuf As System.Text.StringBuilder,   ' LPSTR optional, out
    pcchApplicationDataBuf As IntPtr   ' DWORD* optional, in/out
) As UInteger
End Function

' szComponent : LPCSTR
' iIndex : DWORD
' lpQualifierBuf : LPSTR out
' pcchQualifierBuf : DWORD* in/out
' lpApplicationDataBuf : LPSTR optional, out
' pcchApplicationDataBuf : DWORD* optional, in/out
Declare PtrSafe Function MsiEnumComponentQualifiersA Lib "msi" ( _
    ByVal szComponent As String, _
    ByVal iIndex As Long, _
    ByVal lpQualifierBuf As String, _
    ByRef pcchQualifierBuf As Long, _
    ByVal lpApplicationDataBuf As String, _
    ByVal pcchApplicationDataBuf 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

MsiEnumComponentQualifiersA = ctypes.windll.msi.MsiEnumComponentQualifiersA
MsiEnumComponentQualifiersA.restype = wintypes.DWORD
MsiEnumComponentQualifiersA.argtypes = [
    wintypes.LPCSTR,  # szComponent : LPCSTR
    wintypes.DWORD,  # iIndex : DWORD
    wintypes.LPSTR,  # lpQualifierBuf : LPSTR out
    ctypes.POINTER(wintypes.DWORD),  # pcchQualifierBuf : DWORD* in/out
    wintypes.LPSTR,  # lpApplicationDataBuf : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcchApplicationDataBuf : DWORD* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiEnumComponentQualifiersA = Fiddle::Function.new(
  lib['MsiEnumComponentQualifiersA'],
  [
    Fiddle::TYPE_VOIDP,  # szComponent : LPCSTR
    -Fiddle::TYPE_INT,  # iIndex : DWORD
    Fiddle::TYPE_VOIDP,  # lpQualifierBuf : LPSTR out
    Fiddle::TYPE_VOIDP,  # pcchQualifierBuf : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpApplicationDataBuf : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcchApplicationDataBuf : DWORD* optional, in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiEnumComponentQualifiersA(
        szComponent: *const u8,  // LPCSTR
        iIndex: u32,  // DWORD
        lpQualifierBuf: *mut u8,  // LPSTR out
        pcchQualifierBuf: *mut u32,  // DWORD* in/out
        lpApplicationDataBuf: *mut u8,  // LPSTR optional, out
        pcchApplicationDataBuf: *mut u32  // DWORD* optional, in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiEnumComponentQualifiersA([MarshalAs(UnmanagedType.LPStr)] string szComponent, uint iIndex, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpQualifierBuf, ref uint pcchQualifierBuf, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpApplicationDataBuf, IntPtr pcchApplicationDataBuf);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiEnumComponentQualifiersA' -Namespace Win32 -PassThru
# $api::MsiEnumComponentQualifiersA(szComponent, iIndex, lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf, pcchApplicationDataBuf)

#uselib "msi.dll"
#func global MsiEnumComponentQualifiersA "MsiEnumComponentQualifiersA" sptr, sptr, sptr, sptr, sptr, sptr
; MsiEnumComponentQualifiersA szComponent, iIndex, varptr(lpQualifierBuf), varptr(pcchQualifierBuf), varptr(lpApplicationDataBuf), varptr(pcchApplicationDataBuf)   ; 戻り値は stat
; szComponent : LPCSTR -> "sptr"
; iIndex : DWORD -> "sptr"
; lpQualifierBuf : LPSTR out -> "sptr"
; pcchQualifierBuf : DWORD* in/out -> "sptr"
; lpApplicationDataBuf : LPSTR optional, out -> "sptr"
; pcchApplicationDataBuf : DWORD* optional, in/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 "msi.dll"
#cfunc global MsiEnumComponentQualifiersA "MsiEnumComponentQualifiersA" str, int, var, var, var, var
; res = MsiEnumComponentQualifiersA(szComponent, iIndex, lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf, pcchApplicationDataBuf)
; szComponent : LPCSTR -> "str"
; iIndex : DWORD -> "int"
; lpQualifierBuf : LPSTR out -> "var"
; pcchQualifierBuf : DWORD* in/out -> "var"
; lpApplicationDataBuf : LPSTR optional, out -> "var"
; pcchApplicationDataBuf : DWORD* optional, in/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。

; DWORD MsiEnumComponentQualifiersA(LPCSTR szComponent, DWORD iIndex, LPSTR lpQualifierBuf, DWORD* pcchQualifierBuf, LPSTR lpApplicationDataBuf, DWORD* pcchApplicationDataBuf)
#uselib "msi.dll"
#cfunc global MsiEnumComponentQualifiersA "MsiEnumComponentQualifiersA" str, int, var, var, var, var
; res = MsiEnumComponentQualifiersA(szComponent, iIndex, lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf, pcchApplicationDataBuf)
; szComponent : LPCSTR -> "str"
; iIndex : DWORD -> "int"
; lpQualifierBuf : LPSTR out -> "var"
; pcchQualifierBuf : DWORD* in/out -> "var"
; lpApplicationDataBuf : LPSTR optional, out -> "var"
; pcchApplicationDataBuf : DWORD* optional, in/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 (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiEnumComponentQualifiersA = msi.NewProc("MsiEnumComponentQualifiersA")
)

// szComponent (LPCSTR), iIndex (DWORD), lpQualifierBuf (LPSTR out), pcchQualifierBuf (DWORD* in/out), lpApplicationDataBuf (LPSTR optional, out), pcchApplicationDataBuf (DWORD* optional, in/out)
r1, _, err := procMsiEnumComponentQualifiersA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szComponent))),
	uintptr(iIndex),
	uintptr(lpQualifierBuf),
	uintptr(pcchQualifierBuf),
	uintptr(lpApplicationDataBuf),
	uintptr(pcchApplicationDataBuf),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiEnumComponentQualifiersA(
  szComponent: PAnsiChar;   // LPCSTR
  iIndex: DWORD;   // DWORD
  lpQualifierBuf: PAnsiChar;   // LPSTR out
  pcchQualifierBuf: Pointer;   // DWORD* in/out
  lpApplicationDataBuf: PAnsiChar;   // LPSTR optional, out
  pcchApplicationDataBuf: Pointer   // DWORD* optional, in/out
): DWORD; stdcall;
  external 'msi.dll' name 'MsiEnumComponentQualifiersA';

result := DllCall("msi\MsiEnumComponentQualifiersA"
    , "AStr", szComponent   ; LPCSTR
    , "UInt", iIndex   ; DWORD
    , "Ptr", lpQualifierBuf   ; LPSTR out
    , "Ptr", pcchQualifierBuf   ; DWORD* in/out
    , "Ptr", lpApplicationDataBuf   ; LPSTR optional, out
    , "Ptr", pcchApplicationDataBuf   ; DWORD* optional, in/out
    , "UInt")   ; return: DWORD

●MsiEnumComponentQualifiersA(szComponent, iIndex, lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf, pcchApplicationDataBuf) = DLL("msi.dll", "dword MsiEnumComponentQualifiersA(char*, dword, char*, void*, char*, void*)")
# 呼び出し: MsiEnumComponentQualifiersA(szComponent, iIndex, lpQualifierBuf, pcchQualifierBuf, lpApplicationDataBuf, pcchApplicationDataBuf)
# szComponent : LPCSTR -> "char*"
# iIndex : DWORD -> "dword"
# lpQualifierBuf : LPSTR out -> "char*"
# pcchQualifierBuf : DWORD* in/out -> "void*"
# lpApplicationDataBuf : LPSTR optional, out -> "char*"
# pcchApplicationDataBuf : DWORD* optional, in/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)。