QBezier.lengthToValue C# (CSharp) Method

    public float lengthToValue(float len_)
    {
        //		if (len_ < 0 || len_ > length) {
        //			return float.NaN;
        if (len_ < 0) {
            return 0.0f;
        } else if (len_ > length) {
            return 1.0f;
        } else {
            return __seek(len_, __err_d);
        }
    }

 public float lengthToValue(float len_)
 {
     return(qBezier.lengthToValue(len_));
 }