void ChangeTime(NumericUpDown x, MaskedTextBox y)
{
try
{
if (x.Value == 0) return;
Time t = new Time(0, y.Text);
t.rawMinutes = Math.Min(Classes.Time.HOUR_MASK, Math.Max(0, t.raw() + (int)x.Value));
y.Text = t.ToMilitaryTimeString();
x.Value = 0;
}
catch { }
}