private TimeSpan ConvertValueToPosition(double value)
{
double totalSeconds = EndPosition.Subtract(StartPosition).TotalSeconds;
double timelineProportion = Minimum != Maximum
? value / (Maximum - Minimum)
: 0;
double relativeSeconds = totalSeconds * timelineProportion;
return(StartPosition.Add(TimeSpan.FromSeconds(relativeSeconds)));
}
private double ConvertPositionToValue(TimeSpan position)
{
TimeSpan relativePosition = position.Subtract(StartPosition);
double totalSeconds = EndPosition.Subtract(StartPosition).TotalSeconds;
double timelineProportion = totalSeconds != 0
? relativePosition.TotalSeconds / totalSeconds
: 0;
double relativeValue = (Maximum - Minimum) * timelineProportion;
return(Minimum + relativeValue);
}