Table of Contents

Source Code DesktopEditionSample TrackedShapesToWKT CS 100513.zip

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace TrackedShapesToWKT
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new TestForm());
        }
    }
}

TestForm.cs

using System;
using System.Windows.Forms;
using System.Collections.ObjectModel;
using ThinkGeo.MapSuite.Core;
using ThinkGeo.MapSuite.DesktopEdition;
 
namespace  TrackedShapesToWKT
{
    public partial class TestForm : Form
    {
        public TestForm()
        {
            InitializeComponent();
        }
        private void TestForm_Load(object sender, EventArgs e)
        {
            winformsMap1.MapUnit = GeographyUnit.DecimalDegree;
            winformsMap1.CurrentExtent = new RectangleShape(-93.9016,31.0287,-86.8264,26.766);
            winformsMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.FromArgb(255, 198, 255, 255));
            //Event handlers for the TrackOverlay.
            winformsMap1.TrackOverlay.TrackEnded += new EventHandler<TrackEndedTrackInteractiveOverlayEventArgs>(trackOverlay_TrackEnded);
            winformsMap1.TrackOverlay.TrackEnding += new EventHandler<TrackEndingTrackInteractiveOverlayEventArgs>(trackOverlay_TrackEnding);
            winformsMap1.TrackOverlay.TrackStarting += new EventHandler<TrackStartingTrackInteractiveOverlayEventArgs>(trackOverlay_TrackStarting);
            winformsMap1.TrackOverlay.TrackMode = TrackMode.Polygon;
            //Displays the World Map Kit as a background.
            ThinkGeo.MapSuite.DesktopEdition.WorldMapKitWmsDesktopOverlay worldMapKitDesktopOverlay = new ThinkGeo.MapSuite.DesktopEdition.WorldMapKitWmsDesktopOverlay();
            winformsMap1.Overlays.Add(worldMapKitDesktopOverlay);
            winformsMap1.Refresh();
        }
        //At the mouse down event when in track polygon mode, we clear the shape already tracked.
        void trackOverlay_TrackStarting(object sender, TrackStartingTrackInteractiveOverlayEventArgs e)
        {
            richTextBoxFinished.Text = "";
            winformsMap1.TrackOverlay.TrackShapeLayer.InternalFeatures.Clear();
            winformsMap1.Refresh(winformsMap1.TrackOverlay);
        }
        //At the double click event to finish tracking the shape, we get the WKT of the result shape.
        void trackOverlay_TrackEnded(object sender, TrackEndedTrackInteractiveOverlayEventArgs e)
        {
            richTextBoxCurrent.Text = "";
            richTextBoxFinished.Text = e.TrackShape.GetWellKnownText();
        }
        //At mouse move event while the shape is being tracked, we get its WKT.
        void trackOverlay_TrackEnding(object sender, TrackEndingTrackInteractiveOverlayEventArgs e)
        {
            richTextBoxCurrent.Text = e.TrackShape.GetWellKnownText();
        }
        private void winformsMap1_MouseMove(object sender, MouseEventArgs e)
        {
            //Displays the X and Y in screen coordinates.
            statusStrip1.Items["toolStripStatusLabelScreen"].Text = "X:" + e.X + " Y:" + e.Y;
            //Gets the PointShape in world coordinates from screen coordinates.
            PointShape pointShape = ExtentHelper.ToWorldCoordinate(winformsMap1.CurrentExtent, new ScreenPointF(e.X, e.Y), winformsMap1.Width, winformsMap1.Height);
            //Displays world coordinates.
            statusStrip1.Items["toolStripStatusLabelWorld"].Text = "(world) X:" + Math.Round(pointShape.X, 4) + " Y:" + Math.Round(pointShape.Y, 4);
        }
        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}