How to: Export Selected Map Items to an Image

  • 2 minutes to read

The following example demonstrates how to export selected map items to an image.

To do this, handle the MapControl.ExportMapItem event and set the ExportMapItemEventArgs.Cancel property to true if the map item is not selected (the ExportMapItemEventArgs.IsSelected property is set to false). Then, call the MapControl.ExportToImage method using the map path (where the map image should be stored) and the specified image format (e.g., .png).

using System;
using System.Windows.Forms;
using System.Drawing.Imaging;
using DevExpress.XtraMap;
using System.Diagnostics;

namespace ExportSelectedItems {
    public partial class Form1 : Form {
        string mapPath = "Image.png";

        public Form1() {
            InitializeComponent();
            mapControl1.ExportMapItem += mapControl1_ExportMapItem;
        }

        private void mapControl1_ExportMapItem(object sender, ExportMapItemEventArgs e) {
            if (!e.IsSelected)
                e.Cancel = true;
        }

        private void simpleButton1_Click(object sender, EventArgs e) {
            mapControl1.ExportToImage(mapPath, ImageFormat.Png);
            Process.Start(mapPath);
        }
    }
}