MsiRecordGetFieldCount

// msi.dll
#include <windows.h>

DWORD MsiRecordGetFieldCount(
    MSIHANDLE hRecord
);

<DllImport("msi.dll", ExactSpelling:=True)>
Public Shared Function MsiRecordGetFieldCount(
    hRecord As UInteger   ' MSIHANDLE
) As UInteger
End Function

' hRecord : MSIHANDLE
Declare PtrSafe Function MsiRecordGetFieldCount Lib "msi" ( _
    ByVal hRecord 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

MsiRecordGetFieldCount = ctypes.windll.msi.MsiRecordGetFieldCount
MsiRecordGetFieldCount.restype = wintypes.DWORD
MsiRecordGetFieldCount.argtypes = [
    wintypes.DWORD,  # hRecord : MSIHANDLE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiRecordGetFieldCount = Fiddle::Function.new(
  lib['MsiRecordGetFieldCount'],
  [
    -Fiddle::TYPE_INT,  # hRecord : MSIHANDLE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiRecordGetFieldCount(
        hRecord: u32  // MSIHANDLE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll")]
public static extern uint MsiRecordGetFieldCount(uint hRecord);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiRecordGetFieldCount' -Namespace Win32 -PassThru
# $api::MsiRecordGetFieldCount(hRecord)

#uselib "msi.dll"
#func global MsiRecordGetFieldCount "MsiRecordGetFieldCount" sptr
; MsiRecordGetFieldCount hRecord   ; 戻り値は stat
; hRecord : MSIHANDLE -> "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 MsiRecordGetFieldCount "MsiRecordGetFieldCount" int
; res = MsiRecordGetFieldCount(hRecord)
; hRecord : MSIHANDLE -> "int"

; DWORD MsiRecordGetFieldCount(MSIHANDLE hRecord)
#uselib "msi.dll"
#cfunc global MsiRecordGetFieldCount "MsiRecordGetFieldCount" int
; res = MsiRecordGetFieldCount(hRecord)
; hRecord : MSIHANDLE -> "int"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiRecordGetFieldCount = msi.NewProc("MsiRecordGetFieldCount")
)

// hRecord (MSIHANDLE)
r1, _, err := procMsiRecordGetFieldCount.Call(
	uintptr(hRecord),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiRecordGetFieldCount(
  hRecord: DWORD   // MSIHANDLE
): DWORD; stdcall;
  external 'msi.dll' name 'MsiRecordGetFieldCount';

result := DllCall("msi\MsiRecordGetFieldCount"
    , "UInt", hRecord   ; MSIHANDLE
    , "UInt")   ; return: DWORD

●MsiRecordGetFieldCount(hRecord) = DLL("msi.dll", "dword MsiRecordGetFieldCount(dword)")
# 呼び出し: MsiRecordGetFieldCount(hRecord)
# hRecord : MSIHANDLE -> "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)。