Zzz – Rev 1

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using System.Collections.Specialized;
using System.Threading;
using System.Windows.Forms;
using Zzz.Utilities;
using Zzz;

namespace Zzz
{
    public partial class LogViewForm : Form
    {
        private readonly MainForm _mainForm;

        private readonly LogMemorySink _memorySink;

        public LogViewForm()
        {
            InitializeComponent();
        }

        public LogViewForm(MainForm mainForm) : this()
        {
            _mainForm = mainForm;
            _mainForm.MemorySinkEnabled = true;
        }

        public LogViewForm(MainForm mainForm, LogMemorySink memorySink) :
            this(mainForm)
        {
            _memorySink = memorySink;
            _memorySink.Events.CollectionChanged += Events_CollectionChanged;
        }

        /// <summary>
        ///     Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && components != null)
            {
                components.Dispose();
            }

            _memorySink.Events.CollectionChanged -= Events_CollectionChanged;

            _mainForm.MemorySinkEnabled = false;
            _memorySink.Clear();

            base.Dispose(disposing);
        }

        private void Events_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
        {
            switch (e.Action)
            {
                case NotifyCollectionChangedAction.Add:
                    foreach (var item in e.NewItems)
                    {
                        var line = (string)item;

                        textBox1.InvokeIfRequired(textbox => { textbox.AppendText(line); });
                    }

                    break;
            }
        }
    }
}

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