string GetTimeGrain()
{
var timegrain = SelectedTimeGrain.Value;
if (timegrain == "Automatic")
{
var vals = TimeGrains.Where(x => x != timegrain).Select(x =>
{
x = x.Substring(1 + (x[1] == 'T' ? 1 : 0));
return(x == "1M" ? new TimeSpan(0, 1, 0) :
x == "5M" ? new TimeSpan(0, 5, 0) :
x == "15M" ? new TimeSpan(0, 15, 0) :
x == "30M" ? new TimeSpan(0, 30, 0) :
x == "1H" ? new TimeSpan(1, 0, 0) :
x == "6H" ? new TimeSpan(6, 0, 0) :
x == "12H" ? new TimeSpan(12, 0, 0) :
x == "1D" ? new TimeSpan(24, 0, 0) :
default(TimeSpan));
});
var durationSecs = (End.Value - Start.Value).Ticks;
var points = vals.Select(x => durationSecs / x.Ticks).ToList();
var maxpoints = 500;
for (var i = 0; i < points.Count; i++)
{
if (points[i] < maxpoints)
{
timegrain = TimeGrains.ElementAt(i + 1);
break;
}
}
}
return(timegrain);
}
