MapItemsLayerBase.AttributeDisplayValueEdit Event
In This Article
Occurs for each attribute value that is used in a title or tooltip before this title or tooltip is displayed.
Namespace: DevExpress.XtraMap
Assembly: DevExpress.XtraMap.v24.2.dll
NuGet Package: DevExpress.Win.Map
#Declaration
public event AttributeDisplayValueEditEventHandler AttributeDisplayValueEdit
#Event Data
The AttributeDisplayValueEdit event's data class is AttributeDisplayValueEditEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Display |
Gets or sets an attribute display value. |
Name | Returns the name of an attribute. |
Pattern |
Returns the pattern fragment which will be replaced with the Attribute |
Value | Returns an attribute value. |
#Remarks
Handle the AttributeDisplayValueEdit event to modify existing item attributes. Use the e.Name property to determine which attribute is processed. Use the e.DisplayValue property to specify a value you want to display.
private void VectorLayer_AttributeDisplayValueEdit(object sender, DevExpress.Map.AttributeDisplayValueEditEventArgs e) {
if (e.Value == null && e.Name=="NAME"){
e.DisplayValue = "Unknown";
}
}
See Also