using System;

public class AutoUpdate
{
    public Class1()
    {
        #region check and download new version program
        bool bHasError = false;
        IAutoUpdater autoUpdater = new AutoUpdater();
        try
        {
            autoUpdater.Update();
        }
        catch (WebException exp)
        {
            MessageBox.Show("Can not find the specified resource");
            bHasError = true;
        }
        catch (XmlException exp)
        {
            bHasError = true;
            MessageBox.Show("Download the upgrade file error");
        }
        catch (NotSupportedException exp)
        {
            bHasError = true;
            MessageBox.Show("Upgrade address configuration error");
        }
        catch (ArgumentException exp)
        {
            bHasError = true;
            MessageBox.Show("Download the upgrade file error");
        }
        catch (Exception exp)
        {
            bHasError = true;
            MessageBox.Show("An error occurred during the upgrade process");
        }
        finally
        {
            if (bHasError == true)
            {
                try
                {
                    autoUpdater.RollBack();
                }
                catch (Exception)
                {
                    //Log the message to your file or database
                }
            }
        }
        #endregion
    }
}