/// <summary>
/// Displays a TotalsForm if buttonTotals clicked
/// </summary>
/// <param name="sender">the control/object to set</param>
/// <param name="e">the event data to set</param>
private void buttonTotals_Click(object sender, EventArgs e)
{
TotalsDialog dlg = TotalsDialog.CreateForm();
dlg.Show();
dlg.Activate();
}
/// <summary>
/// Method to create a TotalsDialog Form
/// </summary>
/// <returns>instance</returns>
public static TotalsDialog CreateForm() // create public static method with form type return
{
if (instance == null)
{
instance = new TotalsDialog();
}
return(instance);
}
/// <summary>
/// Method to make instance of form to null upon closing
/// </summary>
/// <param name="sender">the control/object to set</param>
/// <param name="e">the event data to set</param>
private void TotalsDialog_FormClosing(object sender, FormClosingEventArgs e)
{
instance = null;
}
