MsiRecordSetStringA

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

DWORD MsiRecordSetStringA(
    MSIHANDLE hRecord,
    DWORD iField,
    LPCSTR szValue
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiRecordSetStringA(
    hRecord As UInteger,   ' MSIHANDLE
    iField As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> szValue As String   ' LPCSTR
) As UInteger
End Function

' hRecord : MSIHANDLE
' iField : DWORD
' szValue : LPCSTR
Declare PtrSafe Function MsiRecordSetStringA Lib "msi" ( _
    ByVal hRecord As Long, _
    ByVal iField As Long, _
    ByVal szValue As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MsiRecordSetStringA = ctypes.windll.msi.MsiRecordSetStringA
MsiRecordSetStringA.restype = wintypes.DWORD
MsiRecordSetStringA.argtypes = [
    wintypes.DWORD,  # hRecord : MSIHANDLE
    wintypes.DWORD,  # iField : DWORD
    wintypes.LPCSTR,  # szValue : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiRecordSetStringA = Fiddle::Function.new(
  lib['MsiRecordSetStringA'],
  [
    -Fiddle::TYPE_INT,  # hRecord : MSIHANDLE
    -Fiddle::TYPE_INT,  # iField : DWORD
    Fiddle::TYPE_VOIDP,  # szValue : LPCSTR
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiRecordSetStringA(
        hRecord: u32,  // MSIHANDLE
        iField: u32,  // DWORD
        szValue: *const u8  // LPCSTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiRecordSetStringA(uint hRecord, uint iField, [MarshalAs(UnmanagedType.LPStr)] string szValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiRecordSetStringA' -Namespace Win32 -PassThru
# $api::MsiRecordSetStringA(hRecord, iField, szValue)

#uselib "msi.dll"
#func global MsiRecordSetStringA "MsiRecordSetStringA" sptr, sptr, sptr
; MsiRecordSetStringA hRecord, iField, szValue   ; 戻り値は stat
; hRecord : MSIHANDLE -> "sptr"
; iField : DWORD -> "sptr"
; szValue : LPCSTR -> "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 MsiRecordSetStringA "MsiRecordSetStringA" int, int, str
; res = MsiRecordSetStringA(hRecord, iField, szValue)
; hRecord : MSIHANDLE -> "int"
; iField : DWORD -> "int"
; szValue : LPCSTR -> "str"

; DWORD MsiRecordSetStringA(MSIHANDLE hRecord, DWORD iField, LPCSTR szValue)
#uselib "msi.dll"
#cfunc global MsiRecordSetStringA "MsiRecordSetStringA" int, int, str
; res = MsiRecordSetStringA(hRecord, iField, szValue)
; hRecord : MSIHANDLE -> "int"
; iField : DWORD -> "int"
; szValue : LPCSTR -> "str"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiRecordSetStringA = msi.NewProc("MsiRecordSetStringA")
)

// hRecord (MSIHANDLE), iField (DWORD), szValue (LPCSTR)
r1, _, err := procMsiRecordSetStringA.Call(
	uintptr(hRecord),
	uintptr(iField),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szValue))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiRecordSetStringA(
  hRecord: DWORD;   // MSIHANDLE
  iField: DWORD;   // DWORD
  szValue: PAnsiChar   // LPCSTR
): DWORD; stdcall;
  external 'msi.dll' name 'MsiRecordSetStringA';

result := DllCall("msi\MsiRecordSetStringA"
    , "UInt", hRecord   ; MSIHANDLE
    , "UInt", iField   ; DWORD
    , "AStr", szValue   ; LPCSTR
    , "UInt")   ; return: DWORD

●MsiRecordSetStringA(hRecord, iField, szValue) = DLL("msi.dll", "dword MsiRecordSetStringA(dword, dword, char*)")
# 呼び出し: MsiRecordSetStringA(hRecord, iField, szValue)
# hRecord : MSIHANDLE -> "dword"
# iField : DWORD -> "dword"
# szValue : 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)。