/// <summary>
 /// Modify Event Tool Strip item
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void changeEventToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (listView3.SelectedItems.Count == 1)                                          //If event selected
     {
         Class1.EventData edata   = (Class1.EventData)listView3.SelectedItems[0].Tag; //Get the event data
         AddEvent         eventUI = new AddEvent(ctx, AddEvent.MODE_EDIT);            //Create new AddEvent Dialog
         eventUI.Show();                                                              //Show the form
         eventUI.LoadEvent(edata);                                                    //Load the event data to the form
     }
 }
        /// <summary>
        /// Add calendar event button
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void addEventToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AddEvent eventUI = new AddEvent(ctx, AddEvent.MODE_ADD); //Create new AddEvent dialog

            eventUI.Show();                                          //Show the form
        }