mxaccess/analysis/decompiled-interop/Interop.NmxAdptr/Interop/NmxAdptr/IInfoNotify_EventProvider.cs

using System;
using System.Collections;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using System.Threading;

namespace Interop.NmxAdptr;

internal sealed class IInfoNotify_EventProvider : IInfoNotify_Event, IDisposable
{
	private WeakReference m_wkConnectionPointContainer;

	private ArrayList m_aEventSinkHelpers;

	private IConnectionPoint m_ConnectionPoint;

	private void Init()
	{
		IConnectionPoint ppCP = null;
		Guid riid = new Guid(new byte[16]
		{
			41, 178, 210, 6, 79, 175, 211, 17, 147, 157,
			0, 192, 79, 107, 189, 145
		});
		((IConnectionPointContainer)m_wkConnectionPointContainer.Target).FindConnectionPoint(ref riid, out ppCP);
		m_ConnectionPoint = ppCP;
		m_aEventSinkHelpers = new ArrayList();
	}

	public void add_Fire_OnInfoNotify(IInfoNotify_Fire_OnInfoNotifyEventHandler P_0)
	{
		bool lockTaken = default(bool);
		try
		{
			Monitor.Enter(this, ref lockTaken);
			if (m_ConnectionPoint == null)
			{
				Init();
			}
			IInfoNotify_SinkHelper infoNotify_SinkHelper = new IInfoNotify_SinkHelper();
			int pdwCookie = 0;
			m_ConnectionPoint.Advise(infoNotify_SinkHelper, out pdwCookie);
			infoNotify_SinkHelper.m_dwCookie = pdwCookie;
			infoNotify_SinkHelper.m_Fire_OnInfoNotifyDelegate = P_0;
			m_aEventSinkHelpers.Add(infoNotify_SinkHelper);
		}
		finally
		{
			if (lockTaken)
			{
				Monitor.Exit(this);
			}
		}
	}

	public void remove_Fire_OnInfoNotify(IInfoNotify_Fire_OnInfoNotifyEventHandler P_0)
	{
		bool lockTaken = default(bool);
		try
		{
			Monitor.Enter(this, ref lockTaken);
			if (m_aEventSinkHelpers == null)
			{
				return;
			}
			int count = m_aEventSinkHelpers.Count;
			int num = 0;
			if (0 >= count)
			{
				return;
			}
			do
			{
				IInfoNotify_SinkHelper infoNotify_SinkHelper = (IInfoNotify_SinkHelper)m_aEventSinkHelpers[num];
				if (infoNotify_SinkHelper.m_Fire_OnInfoNotifyDelegate != null && ((infoNotify_SinkHelper.m_Fire_OnInfoNotifyDelegate.Equals(P_0) ? 1u : 0u) & 0xFFu) != 0)
				{
					m_aEventSinkHelpers.RemoveAt(num);
					m_ConnectionPoint.Unadvise(infoNotify_SinkHelper.m_dwCookie);
					if (count <= 1)
					{
						Marshal.ReleaseComObject(m_ConnectionPoint);
						m_ConnectionPoint = null;
						m_aEventSinkHelpers = null;
					}
					break;
				}
				num++;
			}
			while (num < count);
		}
		finally
		{
			if (lockTaken)
			{
				Monitor.Exit(this);
			}
		}
	}

	public IInfoNotify_EventProvider(object P_0)
	{
		//Error decoding local variables: Signature type sequence must have at least one element.
		m_wkConnectionPointContainer = new WeakReference((IConnectionPointContainer)P_0, trackResurrection: false);
	}

	public void Finalize()
	{
		bool lockTaken = default(bool);
		try
		{
			Monitor.Enter(this, ref lockTaken);
			if (m_ConnectionPoint == null)
			{
				return;
			}
			int count = m_aEventSinkHelpers.Count;
			int num = 0;
			if (0 < count)
			{
				do
				{
					IInfoNotify_SinkHelper infoNotify_SinkHelper = (IInfoNotify_SinkHelper)m_aEventSinkHelpers[num];
					m_ConnectionPoint.Unadvise(infoNotify_SinkHelper.m_dwCookie);
					num++;
				}
				while (num < count);
			}
			Marshal.ReleaseComObject(m_ConnectionPoint);
		}
		catch (Exception)
		{
		}
		finally
		{
			if (lockTaken)
			{
				Monitor.Exit(this);
			}
		}
	}

	public void Dispose()
	{
		//Error decoding local variables: Signature type sequence must have at least one element.
		Finalize();
		GC.SuppressFinalize(this);
	}
}