Generated C# output

// ----------------------------------------------------------------------------
// <auto-generated>
// This is autogenerated code by CppSharp.
// Do not edit this file or all your changes will be lost after re-generation.
// </auto-generated>
// ----------------------------------------------------------------------------
using System;
using System.Runtime.InteropServices;
using System.Security;

public unsafe partial class Test : IDisposable
{
    [StructLayout(LayoutKind.Explicit, Size = 24)]
    public partial struct __Internal
    {
        [FieldOffset(0)]
        internal global::Std.Vector.__Internalc__N_std_S_vector__I___N_std_S_allocator__I m_data;

        [SuppressUnmanagedCodeSecurity]
        [DllImport("Test", CallingConvention = global::System.Runtime.InteropServices.CallingConvention.Cdecl,
            EntryPoint="??0Test@@QEAA@AEBV0@@Z")]
        internal static extern global::System.IntPtr cctor(global::System.IntPtr instance, global::System.IntPtr _0);

        [SuppressUnmanagedCodeSecurity]
        [DllImport("Test", CallingConvention = global::System.Runtime.InteropServices.CallingConvention.Cdecl,
            EntryPoint="??1Test@@QEAA@XZ")]
        internal static extern void dtor(global::System.IntPtr instance, int delete);
    }

    public global::System.IntPtr __Instance { get; protected set; }

    protected int __PointerAdjustment;
    internal static readonly global::System.Collections.Concurrent.ConcurrentDictionary<IntPtr, global::Test> NativeToManagedMap = new global::System.Collections.Concurrent.ConcurrentDictionary<IntPtr, global::Test>();
    protected void*[] __OriginalVTables;

    protected bool __ownsNativeInstance;

    internal static global::Test __CreateInstance(global::System.IntPtr native, bool skipVTables = false)
    {
        return new global::Test(native.ToPointer(), skipVTables);
    }

    internal static global::Test __CreateInstance(global::Test.__Internal native, bool skipVTables = false)
    {
        return new global::Test(native, skipVTables);
    }

    private static void* __CopyValue(global::Test.__Internal native)
    {
        var ret = Marshal.AllocHGlobal(sizeof(global::Test.__Internal));
        global::Test.__Internal.cctor(ret, new global::System.IntPtr(&native));
        return ret.ToPointer();
    }

    private Test(global::Test.__Internal native, bool skipVTables = false)
        : this(__CopyValue(native), skipVTables)
    {
        __ownsNativeInstance = true;
        NativeToManagedMap[__Instance] = this;
    }

    protected Test(void* native, bool skipVTables = false)
    {
        if (native == null)
            return;
        __Instance = new global::System.IntPtr(native);
    }

    public Test(global::Test _0)
    {
        __Instance = Marshal.AllocHGlobal(sizeof(global::Test.__Internal));
        __ownsNativeInstance = true;
        NativeToManagedMap[__Instance] = this;
        if (ReferenceEquals(_0, null))
            throw new global::System.ArgumentNullException("_0", "Cannot be null because it is a C++ reference (&).");
        var __arg0 = _0.__Instance;
        __Internal.cctor((__Instance + __PointerAdjustment), __arg0);
    }

    public void Dispose()
    {
        Dispose(disposing: true);
    }

    public virtual void Dispose(bool disposing)
    {
        if (__Instance == IntPtr.Zero)
            return;
        global::Test __dummy;
        NativeToManagedMap.TryRemove(__Instance, out __dummy);
        if (disposing)
            __Internal.dtor((__Instance + __PointerAdjustment), 0);
        if (__ownsNativeInstance)
            Marshal.FreeHGlobal(__Instance);
        __Instance = IntPtr.Zero;
    }
}