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LayerBase.Error Event

Occurs when an internal exception is raised.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v24.2.dll

NuGet Package: DevExpress.Win.Map

#Declaration

public event MapErrorEventHandler Error

#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.

#Example

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);
        }
    }
}

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Error event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

See Also