ChartSeriesCollectionClear Method

public void Clear()

Public Sub Clear

public:
void Clear()

member Clear : unit -> unit 

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

// Use a document builder to insert a bar chart
Shape chartShape = builder.InsertChart(ChartType.Column, 400, 300);
Chart chart = chartShape.Chart;

// All charts come with demo data
// This column chart currently has 3 series with 4 categories, which means 4 clusters, 3 columns in each
ChartSeriesCollection chartData = chart.Series;
Assert.AreEqual(3, chartData.Count);

// Iterate through the series with an enumerator and print their names
using (IEnumerator<ChartSeries> enumerator = chart.Series.GetEnumerator())
{
    // And use it to go over all the data labels in one series and change their separator
    while (enumerator.MoveNext())
    {
        Console.WriteLine(enumerator.Current.Name);
    }
}

// We can add new data by adding a new series to the collection, with categories and data
// We will match the existing category/series names in the demo data and add a 4th column to each column cluster
string[] categories = { "Category 1", "Category 2", "Category 3", "Category 4" };
chart.Series.Add("Series 4", categories, new[] { 4.4, 7.0, 3.5, 2.1 });

Assert.AreEqual(4, chartData.Count);
Assert.AreEqual("Series 4", chartData[3].Name);

// We can remove series by index
chartData.RemoveAt(2);

Assert.AreEqual(3, chartData.Count);
Assert.AreEqual("Series 4", chartData[2].Name);

// We can also remove out all the series
// This leaves us with an empty graph and is a convenient way of wiping out demo data
chartData.Clear();

Assert.AreEqual(0, chartData.Count);