CoLoadLibrary

// OLE32.dll
#include <windows.h>

HINSTANCE CoLoadLibrary(
    LPWSTR lpszLibName,
    BOOL bAutoFree
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoLoadLibrary(
    <MarshalAs(UnmanagedType.LPWStr)> lpszLibName As String,   ' LPWSTR
    bAutoFree As Boolean   ' BOOL
) As IntPtr
End Function

' lpszLibName : LPWSTR
' bAutoFree : BOOL
Declare PtrSafe Function CoLoadLibrary Lib "ole32" ( _
    ByVal lpszLibName As LongPtr, _
    ByVal bAutoFree 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

CoLoadLibrary = ctypes.windll.ole32.CoLoadLibrary
CoLoadLibrary.restype = ctypes.c_void_p
CoLoadLibrary.argtypes = [
    wintypes.LPCWSTR,  # lpszLibName : LPWSTR
    wintypes.BOOL,  # bAutoFree : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoLoadLibrary = Fiddle::Function.new(
  lib['CoLoadLibrary'],
  [
    Fiddle::TYPE_VOIDP,  # lpszLibName : LPWSTR
    Fiddle::TYPE_INT,  # bAutoFree : BOOL
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "ole32")]
extern "system" {
    fn CoLoadLibrary(
        lpszLibName: *mut u16,  // LPWSTR
        bAutoFree: i32  // BOOL
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern IntPtr CoLoadLibrary([MarshalAs(UnmanagedType.LPWStr)] string lpszLibName, bool bAutoFree);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoLoadLibrary' -Namespace Win32 -PassThru
# $api::CoLoadLibrary(lpszLibName, bAutoFree)

#uselib "OLE32.dll"
#func global CoLoadLibrary "CoLoadLibrary" sptr, sptr
; CoLoadLibrary lpszLibName, bAutoFree   ; 戻り値は stat
; lpszLibName : LPWSTR -> "sptr"
; bAutoFree : BOOL -> "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 "OLE32.dll"
#cfunc global CoLoadLibrary "CoLoadLibrary" wstr, int
; res = CoLoadLibrary(lpszLibName, bAutoFree)
; lpszLibName : LPWSTR -> "wstr"
; bAutoFree : BOOL -> "int"

; HINSTANCE CoLoadLibrary(LPWSTR lpszLibName, BOOL bAutoFree)
#uselib "OLE32.dll"
#cfunc global CoLoadLibrary "CoLoadLibrary" wstr, int
; res = CoLoadLibrary(lpszLibName, bAutoFree)
; lpszLibName : LPWSTR -> "wstr"
; bAutoFree : BOOL -> "int"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoLoadLibrary = ole32.NewProc("CoLoadLibrary")
)

// lpszLibName (LPWSTR), bAutoFree (BOOL)
r1, _, err := procCoLoadLibrary.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszLibName))),
	uintptr(bAutoFree),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HINSTANCE

function CoLoadLibrary(
  lpszLibName: PWideChar;   // LPWSTR
  bAutoFree: BOOL   // BOOL
): THandle; stdcall;
  external 'OLE32.dll' name 'CoLoadLibrary';

result := DllCall("OLE32\CoLoadLibrary"
    , "WStr", lpszLibName   ; LPWSTR
    , "Int", bAutoFree   ; BOOL
    , "Ptr")   ; return: HINSTANCE

●CoLoadLibrary(lpszLibName, bAutoFree) = DLL("OLE32.dll", "void* CoLoadLibrary(char*, bool)")
# 呼び出し: CoLoadLibrary(lpszLibName, bAutoFree)
# lpszLibName : LPWSTR -> "char*"
# bAutoFree : BOOL -> "bool"
# 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)。