private void numericUpDown3_ValueChanged(object sender, EventArgs e)
 {
     if (selectedItem == null)
     {
         selectedItem = new CalendarLayoutItem(p_layout.SelectedCol, p_layout.SelectedRow, "");
         p_layout.Items.Add(selectedItem);
     }
     if (selectedItem != null)
     {
         selectedItem.rowspan = Convert.ToInt32(numericUpDown3.Value);
         RefreshText();
     }
 }
 private void textBox2_TextChanged(object sender, EventArgs e)
 {
     if (selectedItem == null)
     {
         selectedItem = new CalendarLayoutItem(p_layout.SelectedCol, p_layout.SelectedRow, "");
         p_layout.Items.Add(selectedItem);
     }
     if (selectedItem != null)
     {
         selectedItem.Value = textBox2.Text;
         RefreshText();
     }
 }