private void initQueue()
{
try {
int time = Int32.Parse(quantumTB.Text);
if (time <= 0)
{
throw new Exception();
}
scheduler.ExecutionQuantum = time;
scheduler.AddJobs(DefaultJobs);
} catch (Exception e) {
MessageBox.Show(this, "Positive integer required!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
