PpropFindProp

// MAPI32.dll
#include <windows.h>

SPropValue* PpropFindProp(
    SPropValue* lpPropArray,
    DWORD cValues,
    DWORD ulPropTag
);

<DllImport("MAPI32.dll", ExactSpelling:=True)>
Public Shared Function PpropFindProp(
    lpPropArray As IntPtr,   ' SPropValue* in/out
    cValues As UInteger,   ' DWORD
    ulPropTag As UInteger   ' DWORD
) As IntPtr
End Function

' lpPropArray : SPropValue* in/out
' cValues : DWORD
' ulPropTag : DWORD
Declare PtrSafe Function PpropFindProp Lib "mapi32" ( _
    ByVal lpPropArray As LongPtr, _
    ByVal cValues As Long, _
    ByVal ulPropTag As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PpropFindProp = ctypes.windll.mapi32.PpropFindProp
PpropFindProp.restype = ctypes.c_void_p
PpropFindProp.argtypes = [
    ctypes.c_void_p,  # lpPropArray : SPropValue* in/out
    wintypes.DWORD,  # cValues : DWORD
    wintypes.DWORD,  # ulPropTag : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAPI32.dll')
PpropFindProp = Fiddle::Function.new(
  lib['PpropFindProp'],
  [
    Fiddle::TYPE_VOIDP,  # lpPropArray : SPropValue* in/out
    -Fiddle::TYPE_INT,  # cValues : DWORD
    -Fiddle::TYPE_INT,  # ulPropTag : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "mapi32")]
extern "system" {
    fn PpropFindProp(
        lpPropArray: *mut SPropValue,  // SPropValue* in/out
        cValues: u32,  // DWORD
        ulPropTag: u32  // DWORD
    ) -> *mut SPropValue;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MAPI32.dll")]
public static extern IntPtr PpropFindProp(IntPtr lpPropArray, uint cValues, uint ulPropTag);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAPI32_PpropFindProp' -Namespace Win32 -PassThru
# $api::PpropFindProp(lpPropArray, cValues, ulPropTag)

#uselib "MAPI32.dll"
#func global PpropFindProp "PpropFindProp" sptr, sptr, sptr
; PpropFindProp varptr(lpPropArray), cValues, ulPropTag   ; 戻り値は stat
; lpPropArray : SPropValue* in/out -> "sptr"
; cValues : DWORD -> "sptr"
; ulPropTag : DWORD -> "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 "MAPI32.dll"
#cfunc global PpropFindProp "PpropFindProp" var, int, int
; res = PpropFindProp(lpPropArray, cValues, ulPropTag)
; lpPropArray : SPropValue* in/out -> "var"
; cValues : DWORD -> "int"
; ulPropTag : DWORD -> "int"
; ※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。

; SPropValue* PpropFindProp(SPropValue* lpPropArray, DWORD cValues, DWORD ulPropTag)
#uselib "MAPI32.dll"
#cfunc global PpropFindProp "PpropFindProp" var, int, int
; res = PpropFindProp(lpPropArray, cValues, ulPropTag)
; lpPropArray : SPropValue* in/out -> "var"
; cValues : DWORD -> "int"
; ulPropTag : DWORD -> "int"
; ※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 (
	mapi32 = windows.NewLazySystemDLL("MAPI32.dll")
	procPpropFindProp = mapi32.NewProc("PpropFindProp")
)

// lpPropArray (SPropValue* in/out), cValues (DWORD), ulPropTag (DWORD)
r1, _, err := procPpropFindProp.Call(
	uintptr(lpPropArray),
	uintptr(cValues),
	uintptr(ulPropTag),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SPropValue*

function PpropFindProp(
  lpPropArray: Pointer;   // SPropValue* in/out
  cValues: DWORD;   // DWORD
  ulPropTag: DWORD   // DWORD
): Pointer; stdcall;
  external 'MAPI32.dll' name 'PpropFindProp';

result := DllCall("MAPI32\PpropFindProp"
    , "Ptr", lpPropArray   ; SPropValue* in/out
    , "UInt", cValues   ; DWORD
    , "UInt", ulPropTag   ; DWORD
    , "Ptr")   ; return: SPropValue*

●PpropFindProp(lpPropArray, cValues, ulPropTag) = DLL("MAPI32.dll", "void* PpropFindProp(void*, dword, dword)")
# 呼び出し: PpropFindProp(lpPropArray, cValues, ulPropTag)
# lpPropArray : SPropValue* in/out -> "void*"
# cValues : DWORD -> "dword"
# ulPropTag : DWORD -> "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)。