private static string GetLabelText(DataPoint point)
{
if (!TreeMapChart.IsLabelVisible(point))
{
return(string.Empty);
}
return(PieChart.GetLabelText(point, true));
}
private static RectangleF GetSeriesLabelRelativeRect(ChartGraphics graph, ChartArea area, Series series, RectangleF seriesRelativeRect, DataPoint point)
{
if (!string.IsNullOrEmpty(series.legendText) && TreeMapChart.IsLabelVisible(point))
{
using (Font font = TreeMapChart.GetSeriesLabelFont(point))
{
return(TreeMapChart.GetLabelRelativeRect(graph, font, seriesRelativeRect, series.legendText, LabelAlignmentTypes.TopLeft));
}
}
return(RectangleF.Empty);
}
private static string GetLabelText(CategoryNode categoryNode, DataPoint dataPoint, Series series, DataPointAttributes dataPointAttributes)
{
if (dataPoint != null)
{
if (TreeMapChart.IsLabelVisible(dataPoint))
{
string labelText = PieChart.GetLabelText(dataPoint, false);
if (!string.IsNullOrEmpty(labelText))
{
return(labelText);
}
return(SunburstChart.GetCategoryNodeLabelText(categoryNode, series, dataPoint));
}
}
else if (TreeMapChart.IsLabelVisible(dataPointAttributes))
{
return(SunburstChart.GetCategoryNodeLabelText(categoryNode, series, dataPointAttributes));
}
return(string.Empty);
}
