GetRequestedRuntimeVersion

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

HRESULT GetRequestedRuntimeVersion(
    LPWSTR pExe,
    LPWSTR pVersion,
    DWORD cchBuffer,
    DWORD* dwLength
);

<DllImport("MSCorEE.dll", ExactSpelling:=True)>
Public Shared Function GetRequestedRuntimeVersion(
    <MarshalAs(UnmanagedType.LPWStr)> pExe As String,   ' LPWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pVersion As System.Text.StringBuilder,   ' LPWSTR out
    cchBuffer As UInteger,   ' DWORD
    <Out> ByRef dwLength As UInteger   ' DWORD* out
) As Integer
End Function

' pExe : LPWSTR
' pVersion : LPWSTR out
' cchBuffer : DWORD
' dwLength : DWORD* out
Declare PtrSafe Function GetRequestedRuntimeVersion Lib "mscoree" ( _
    ByVal pExe As LongPtr, _
    ByVal pVersion As LongPtr, _
    ByVal cchBuffer As Long, _
    ByRef dwLength 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

GetRequestedRuntimeVersion = ctypes.windll.mscoree.GetRequestedRuntimeVersion
GetRequestedRuntimeVersion.restype = ctypes.c_int
GetRequestedRuntimeVersion.argtypes = [
    wintypes.LPCWSTR,  # pExe : LPWSTR
    wintypes.LPWSTR,  # pVersion : LPWSTR out
    wintypes.DWORD,  # cchBuffer : DWORD
    ctypes.POINTER(wintypes.DWORD),  # dwLength : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSCorEE.dll')
GetRequestedRuntimeVersion = Fiddle::Function.new(
  lib['GetRequestedRuntimeVersion'],
  [
    Fiddle::TYPE_VOIDP,  # pExe : LPWSTR
    Fiddle::TYPE_VOIDP,  # pVersion : LPWSTR out
    -Fiddle::TYPE_INT,  # cchBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # dwLength : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mscoree")]
extern "system" {
    fn GetRequestedRuntimeVersion(
        pExe: *mut u16,  // LPWSTR
        pVersion: *mut u16,  // LPWSTR out
        cchBuffer: u32,  // DWORD
        dwLength: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSCorEE.dll")]
public static extern int GetRequestedRuntimeVersion([MarshalAs(UnmanagedType.LPWStr)] string pExe, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pVersion, uint cchBuffer, out uint dwLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSCorEE_GetRequestedRuntimeVersion' -Namespace Win32 -PassThru
# $api::GetRequestedRuntimeVersion(pExe, pVersion, cchBuffer, dwLength)

#uselib "MSCorEE.dll"
#func global GetRequestedRuntimeVersion "GetRequestedRuntimeVersion" sptr, sptr, sptr, sptr
; GetRequestedRuntimeVersion pExe, varptr(pVersion), cchBuffer, varptr(dwLength)   ; 戻り値は stat
; pExe : LPWSTR -> "sptr"
; pVersion : LPWSTR out -> "sptr"
; cchBuffer : DWORD -> "sptr"
; dwLength : DWORD* 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 "MSCorEE.dll"
#cfunc global GetRequestedRuntimeVersion "GetRequestedRuntimeVersion" wstr, var, int, var
; res = GetRequestedRuntimeVersion(pExe, pVersion, cchBuffer, dwLength)
; pExe : LPWSTR -> "wstr"
; pVersion : LPWSTR out -> "var"
; cchBuffer : DWORD -> "int"
; dwLength : DWORD* 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。

; HRESULT GetRequestedRuntimeVersion(LPWSTR pExe, LPWSTR pVersion, DWORD cchBuffer, DWORD* dwLength)
#uselib "MSCorEE.dll"
#cfunc global GetRequestedRuntimeVersion "GetRequestedRuntimeVersion" wstr, var, int, var
; res = GetRequestedRuntimeVersion(pExe, pVersion, cchBuffer, dwLength)
; pExe : LPWSTR -> "wstr"
; pVersion : LPWSTR out -> "var"
; cchBuffer : DWORD -> "int"
; dwLength : DWORD* 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 (
	mscoree = windows.NewLazySystemDLL("MSCorEE.dll")
	procGetRequestedRuntimeVersion = mscoree.NewProc("GetRequestedRuntimeVersion")
)

// pExe (LPWSTR), pVersion (LPWSTR out), cchBuffer (DWORD), dwLength (DWORD* out)
r1, _, err := procGetRequestedRuntimeVersion.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pExe))),
	uintptr(pVersion),
	uintptr(cchBuffer),
	uintptr(dwLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetRequestedRuntimeVersion(
  pExe: PWideChar;   // LPWSTR
  pVersion: PWideChar;   // LPWSTR out
  cchBuffer: DWORD;   // DWORD
  dwLength: Pointer   // DWORD* out
): Integer; stdcall;
  external 'MSCorEE.dll' name 'GetRequestedRuntimeVersion';

result := DllCall("MSCorEE\GetRequestedRuntimeVersion"
    , "WStr", pExe   ; LPWSTR
    , "Ptr", pVersion   ; LPWSTR out
    , "UInt", cchBuffer   ; DWORD
    , "Ptr", dwLength   ; DWORD* out
    , "Int")   ; return: HRESULT

●GetRequestedRuntimeVersion(pExe, pVersion, cchBuffer, dwLength) = DLL("MSCorEE.dll", "int GetRequestedRuntimeVersion(char*, char*, dword, void*)")
# 呼び出し: GetRequestedRuntimeVersion(pExe, pVersion, cchBuffer, dwLength)
# pExe : LPWSTR -> "char*"
# pVersion : LPWSTR out -> "char*"
# cchBuffer : DWORD -> "dword"
# dwLength : DWORD* 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)。