Legend

The legend displays entries for series with their names and predefined symbols. In Sunburst, you can access the legend using the Legend property of the FlexChartBase class and perform various customizations, as follows:

• Orientation: Set the orientation of the legend as horizontal, vertical, or automatic by using the Orientation property provided by the Legend class. The property can be set to any of the values from the Orientation enumeration.
• Position: Set the legend on top, bottom, left, right, or let it be positioned automatically by using the Position property that accepts values from the Position enumeration. Setting the Position property to None hides the legend.
• Styling: Customize the overall appearance of the legend, such as setting stroke color or changing font by using styling properties accessible through the Style property. The styling properties StrokeColor and Font are provided by the ChartStyle class.
• Title and title styling: Specify the legend title using the Title property that accepts a string. Once you have set the title, you can style it using the TitleStyle property that provides access to the customization properties of the ChartStyle class.

Header and Footer

Header and Footer are descriptive texts at the top and bottom of the chart that provide information about the overall chart data. You can access Header and Footer of Sunburst chart by using the Header and the Footer property respectively, of the FlexChartBase class. Possible customizations with Header and Footer are as follows:

• Font: Change the font family, font size, and font style of Header and Footer using the Font property of the ChartStyle class accessible through the Style property of the ChartTitle class.
• Stroke color: Select any stroke color of the titles using the StrokeColor property the ChartStyle class.
• Stroke: Set stroke of the titles for enhanced appeal by using the Stroke property.

The following image displays Sunburst chart with the legend and titles set.

The following code snippet illustrates how to set respective properties for the legend and titles customization. This code uses the sample created in Quick Start.

' set the legend orientation 
Sunburst1.Legend.Orientation = C1.Chart.Orientation.Vertical

' set the legend position
Sunburst1.Legend.Position = C1.Chart.Position.Auto

' set the legend stroke color
Sunburst1.Legend.Style.StrokeColor = Color.DarkCyan

' Set the legend font
Sunburst1.Legend.Style.Font = New Font("Arial", 9, FontStyle.Regular)

' set the legend title 
Sunburst1.Legend.Title = "Year"

' set the legend title stroke color
Sunburst1.Legend.TitleStyle.StrokeColor = Color.Blue

' set the legend title font
Sunburst1.Legend.TitleStyle.Font = New Font("Arial", 10, FontStyle.Bold)

' set the header
Sunburst1.Header.Content = "Quarterly Sales"

' set the header font
Sunburst1.Header.Style.Font = New Font("Arial", 11, FontStyle.Bold)

' set the header stroke
Sunburst1.Header.Style.Stroke = Brushes.Brown

' set the footer
Sunburst1.Footer.Content = "Company XYZ"

' set the footer font
Sunburst1.Footer.Style.Font = New Font("Arial", 10, FontStyle.Bold)

' set the footer stroke
Sunburst1.Footer.Style.Stroke = Brushes.Brown

// set the legend orientation 
sunburst1.Legend.Orientation = C1.Chart.Orientation.Vertical;

// set the legend position
sunburst1.Legend.Position = C1.Chart.Position.Auto;

// set the legend stroke color
sunburst1.Legend.Style.StrokeColor = Color.DarkCyan;

// Set the legend font
sunburst1.Legend.Style.Font = new Font("Arial", 9, FontStyle.Regular);

// set the legend title 
sunburst1.Legend.Title = "Year";

// set the legend title stroke color
sunburst1.Legend.TitleStyle.StrokeColor = Color.Blue;

// set the legend title font
sunburst1.Legend.TitleStyle.Font = new Font("Arial", 10, FontStyle.Bold);

// set the header
sunburst1.Header.Content = "Quarterly Sales";

// set the header font
sunburst1.Header.Style.Font = new Font("Arial", 11, FontStyle.Bold);

// set the header stroke
sunburst1.Header.Style.Stroke = Brushes.Brown;

// set the footer
sunburst1.Footer.Content = "Company XYZ";

// set the footer font
sunburst1.Footer.Style.Font = new Font("Arial", 10, FontStyle.Bold);

// set the footer stroke
sunburst1.Footer.Style.Stroke = Brushes.Brown;