RhSolutions-AddIn/RhSolutions.AddIn/Models/StatusbarBase.cs

using Microsoft.Office.Interop.Excel;
using RhSolutions.AddIn;
using System;

namespace RhSolutions.Models
{
    internal abstract class StatusbarBase : IDisposable
    {
        protected Application Excel = RhSolutionsAddIn.Excel;

        public abstract void Update();

        public void Dispose()
        {
            Excel.OnTime(DateTime.Now + new TimeSpan(0, 0, 5), "_ResetStatusBar");
        }
    }
}