LayerBase.Error Event

Occurs when an internal exception is raised.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v20.1.dll

Declaration

public event MapErrorEventHandler Error
Public Event Error As MapErrorEventHandler

Event Data

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

Property Description
Exception Returns the raised exception.

Examples

This example demonstrates how to monitor errors using the LayerBase.Error event handler. For example, this event is raised when an incorrect server URI is specified for a Web Map Service Provider.

using DevExpress.XtraMap;
using System;
using System.Windows.Forms;

namespace MapErrorEvent {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e) {
            ImageLayer imageLayer = new ImageLayer();
            mapControl1.Layers.Add(imageLayer);
            WmsDataProvider provider = new WmsDataProvider();
            imageLayer.DataProvider = provider;
            provider.ServerUri = "http://YOUR_SERVER_URI";
            provider.ActiveLayerName = "ACTIVE_LAYER_NAME";
            imageLayer.Error += OnError;
        }
        private void OnError(object sender, MapErrorEventArgs e) {
            MessageBox.Show(e.Exception.Message);
        }
    }
}
See Also