/// <summary>
/// Opens the appointment's details, creates a new form
/// which passes in the selected items details so it retains data
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lbApp_DoubleClick(object sender, EventArgs e)
{
AppMessageBox app = new AppMessageBox(lbApp.SelectedItem, lbApp);
app.ShowDialog();
}
/// <summary>
/// Prompts new window to add an appointment
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddApp_Click(object sender, EventArgs e)
{
AppMessageBox app = new AppMessageBox(lbApp);
app.ShowDialog();
}