ErrorReportingBase.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace YES
{
    public abstract class ErrorReportingBase
    {
        public ErrorReportingBase(ErrorOccurredHandler handler)
        {
            this.ErrorOccurred += handler;
        }

        public event ErrorOccurredHandler ErrorOccurred;
        public delegate void ErrorOccurredHandler(Exception ex);

        /// <summary>
        /// Raises the error so that it can be handled by the controlling class.
        /// </summary>
        /// <param name="ex">The ex.</param>
        /// <returns><c>true</c> if the error handler was set and called successfully; otherwise false.</returns>
        internal bool RaiseErrorOccurred(Exception ex)
        {
            bool handled = false;

            if (this.ErrorOccurred != null)
            {
                try
                {
                    this.ErrorOccurred(ex);
                    handled = true;
                }
                catch (Exception error)
                {
                    ApplicationLogger.Log(System.Diagnostics.TraceEventType.Error, "Error while trying to handle an exception.", error);
                }
            }

            return handled;
        }
    }
}