MapControl.LegendItemCreating Event

Occurs when items are being created for the legend.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v21.2.dll

NuGet Packages: DevExpress.Win.Design, DevExpress.Win.Map

Declaration

C#

public event LegendItemCreatingEventHandler LegendItemCreating

VB.NET

Public Event LegendItemCreating As LegendItemCreatingEventHandler

Event Data

The LegendItemCreating event's data class is LegendItemCreatingEventArgs. The following properties provide information specific to this event:

Property	Description
Index	Returns the index of the legend item being created.
Item	Returns the legend item being created.
Legend	Provides access to the legend for which a new item has been created.

Example

To manually customize legend items, implement the MapControl.LegendItemCreating event handler, where you can configure MapLegendItemBase descendant class objects as you wish.

The following instance demonstrates how to do this.

View Example

Form1.cs

void map_LegendItemCreating(object sender, LegendItemCreatingEventArgs e) {
    e.Item.Text = String.Format("{0}$", e.Item.Value);
}

Form1.vb

Private Sub map_LegendItemCreating(ByVal sender As Object, ByVal e As LegendItemCreatingEventArgs)
    e.Item.Text = String.Format("{0}$", e.Item.Value)
End Sub