SunburstItemStorage.Items Property
Returns the collection of sunburst items that the storage contains.
Namespace: DevExpress.XtraTreeMap
Assembly: DevExpress.XtraTreeMap.v24.2.dll
NuGet Package: DevExpress.TreeMap
#Declaration
[XtraSerializableProperty(XtraSerializationVisibility.Collection, true)]
public SunburstItemCollection Items { get; }
#Property Value
Type | Description |
---|---|
Sunburst |
A Sunburst |
#Example
This example shows how to manually add items to a sunburst.
Assign a SunburstItemStorage object to the SunburstControl.DataAdapter property. The SunburstItemStorage stores manually created items using the SunburstItemStorage.Items
property that returns a collection of SunburstItem objects.
Each object can have a child items’ collection that is available using the SunburstItem.Children property.
Use the SunburstItem.Value property to specify an item value.
The SunburstItem.Label property allows you to modify the text the item shows.
private void OnFormLoad(object sender, EventArgs e) {
SunburstItemStorage itemStorage = new SunburstItemStorage();
SunburstItem usaItem = new SunburstItem();
usaItem.Label = "USA";
usaItem.Children.AddRange(new List<SunburstItem> {
new SunburstItem { Label = "Nuclear", Value = 187.9 },
new SunburstItem { Label = "Oil", Value = 937.6 },
new SunburstItem { Label = "Natural Gas", Value = 582 },
new SunburstItem { Label = "Hydro Electric", Value = 59.8 },
new SunburstItem { Label = "Coal", Value = 564.3 },
});
SunburstItem chinaItem = new SunburstItem();
chinaItem.Label = "China";
chinaItem.Children.AddRange(new List<SunburstItem> {
new SunburstItem { Label = "Nuclear", Value = 11.3 },
new SunburstItem { Label = "Oil", Value = 308.6 },
new SunburstItem { Label = "Natural Gas", Value = 35.1 },
new SunburstItem { Label = "Hydro Electric", Value = 74.2 },
new SunburstItem { Label = "Coal", Value = 956.9 },
});
SunburstItem russiaItem = new SunburstItem();
russiaItem.Label = "Russia";
russiaItem.Children.AddRange(new List<SunburstItem> {
new SunburstItem { Label = "Nuclear", Value = 32.4 },
new SunburstItem { Label = "Oil", Value = 128.5 },
new SunburstItem { Label = "Natural Gas", Value = 361.8 },
new SunburstItem { Label = "Hydro Electric", Value = 40 },
new SunburstItem { Label = "Coal", Value = 105.9 },
});
itemStorage.Items.AddRange(new List<SunburstItem> { usaItem, chinaItem, russiaItem });
sunburstControl.DataAdapter = itemStorage;
sunburstControl.CenterLabel.TextPattern = "{TV}";
sunburstControl.StartAngle = 60;
}