private void btnAddAuto_Click(object sender, EventArgs e)
{
TVProgram program = new TVProgram();
TV tv = cbTVS.SelectedItem as TV;
program.Name = tbName.Text;
program.Duration = (int)nudDuration.Value;
tv.Program.Add(program);
fillList();
tbName.Clear();
nudDuration.Value = 30;
calculate();
}
private void calculate()
{
if (lbProgram.Items.Count > 0)
{
double sum = 0;
for (int i = 0; i < lbProgram.Items.Count; i++)
{
TVProgram a = lbProgram.Items[i] as TVProgram;
sum += a.Duration;
}
tbAverage.Text = string.Format("{0:0.0}", sum / lbProgram.Items.Count);
}
else
{
tbAverage.Clear();
}
}