private bool ValidateInput(TextBox tb, string Txt, out int CurrentValue)
{
if (int.TryParse(Txt, out CurrentValue))
return (CurrentValue < tb.get_Max() && CurrentValue >= tb.get_Min());
return false;
}
private void DecrementValue(TextBox tb, int NewValue)
{
NewValue = (NewValue > tb.get_Min()) ? NewValue - 1 : tb.get_Max() - 1;
NewValue = AdjustHalfDayHour(tb, NewValue);
Value = Value.ResetTime(NewValue, tb.get_HMSType());
}