/// <summary>
/// Converts from the specified value to the intended conversion type of the converter.
/// </summary>
/// <param name="context">An object that provides a format context.</param>
/// <param name="culture">The <see cref="T:System.Globalization.CultureInfo" /> to use as the current culture.</param>
/// <param name="value">The value to convert to the type of this converter.</param>
/// <returns>
/// The converted value.
/// </returns>
public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
List <string> result = ((string)value).Split(',').ToList();
for (int j = 0; j < result.Count; j++)
{
var point = result[j];
if (string.IsNullOrEmpty(point))
{
result[j] = "0";
}
}
if (result.Count % 2 != 0)
{
result.Add("0");
}
PointsCollection collection = new PointsCollection();
for (int i = 0; i < result.Count; i += 2)
{
collection.Add(new ChartPoint()
{
XValue = double.Parse(result[i].ToString(CultureInfo.InvariantCulture)), YValue = double.Parse(result[i + 1].ToString(CultureInfo.InvariantCulture))
});
}
return(collection);
}
/// <summary>
/// Gets the points from values.
/// </summary>
/// <param name="xValues">The x values.</param>
/// <param name="yValues">The y values.</param>
/// <returns></returns>
protected PointsCollection GetPointsFromValues(List <double> xValues, List <double> yValues)
{
PointsCollection tempPoints = new PointsCollection();
for (int i = 0; (i < xValues.Count && i < yValues.Count); i++)
{
ChartPoint point = new ChartPoint()
{
XValue = xValues[i], YValue = yValues[i]
};
tempPoints.Add(point);
}
return(tempPoints);
}