public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
string s1 = (string)value;
double num1 = double.NaN;
culture = CultureInfo.CurrentCulture;
string timeSeparator = culture.DateTimeFormat.TimeSeparator;
int length = s1.IndexOf(timeSeparator, StringComparison.CurrentCulture);
if (length < 0)
{
double result;
if (double.TryParse(s1, NumberStyles.AllowDecimalPoint, (IFormatProvider)culture, out result) && !double.IsNaN(result) && !double.IsInfinity(result))
{
num1 = TimelineView.SnapSeconds(result, this.snapToTimelineResolution && TimelineView.IsTimelineSnapping);
}
}
else if (s1.IndexOf(timeSeparator, length + timeSeparator.Length, StringComparison.CurrentCulture) == -1)
{
string s2 = s1.Substring(0, length);
if (length + timeSeparator.Length < s1.Length)
{
string s3 = s1.Substring(length + timeSeparator.Length);
int result1;
double result2;
if (s2 != null && s3 != null && (int.TryParse(s2, NumberStyles.None, (IFormatProvider)culture, out result1) && double.TryParse(s3, NumberStyles.AllowDecimalPoint, (IFormatProvider)culture, out result2)))
{
double num2 = result2 + 60.0 * (double)result1;
if (!double.IsNaN(num2) && !double.IsInfinity(num2))
{
num1 = TimelineView.SnapSeconds(num2, this.snapToTimelineResolution);
}
}
}
}
return((object)num1);
}
