void DiffTime(int minutes)
{
const string DIGIT = @"\d+";
Regex r = new Regex(DIGIT);
int NewTime;
if (minutes > Properties.Settings.Default.RealtimeTimerGoalMinutes)
{
throw new InvalidOperationException("do not substract equal or bigger minute value");
}
else if (minutes == Properties.Settings.Default.RealtimeTimerGoalMinutes)
{
NewTime = 1;
}
else
{
NewTime = Properties.Settings.Default.RealtimeTimerGoalMinutes - minutes;
}
Match m = r.Match(textBox1.Lines[0]);
if (m.Success)
{
string NewLine = r.Replace(textBox1.Lines[0], NewTime.ToString());
textBox1.Select(0, textBox1.Lines[0].Length);
textBox1.SelectedText = NewLine;
}
else
{
textBox1.Select(0, textBox1.Lines[0].Length);
textBox1.SelectedText = textBox1.Lines[0] + " " + NewTime.ToString();
}
}
// will take time and add 1/2 hour to out time, or remove 1/2 hour from output time
private string updateTime(string Update, string strTime)
{
TimeSpan NewTime;
if (Update == "out")
{
NewTime = Convert.ToDateTime(strTime).AddMinutes(60).TimeOfDay;
}
else
{
NewTime = Convert.ToDateTime(strTime).AddMinutes(-60).TimeOfDay;
}
string strOutput = NewTime.ToString("hh\\:mm");
strOutput = DateTime.ParseExact(strOutput, "HH:mm", null).ToString("hh:mm tt", CultureInfo.GetCultureInfo("en-US"));
return(strOutput);
}
public override string ToString() => NewTime.ToString();
