form1.cs

基于ehotgis开发的嵌入式gis

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Hotgis.eHotGIS;

namespace Gps
{
    public partial class Form1 : Form
    {
        double[] coor = {120.464226,36.095176,120.462973,36.094833,120.462122,36.094585,
                         120.461529,36.094361,120.460985,36.094046,120.459808,36.093234,
                         120.459392,36.09294};
        int i = 0;
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            eMap1.Open(@"\program files\Gps\map\Test.map");
            eMap1.ViewEntire();
            eMap1.ReDraw();
            eMap1.Invalidate();
        }

        private void menuItem2_Click(object sender, EventArgs e)
        {
            //设置风格
            eStyle style = new eStyle();
            style.bmpIndex = 1;
            style.bmpTransColor = Utilities.ToWin32(Color.FromArgb(253, 253, 253));
            style.isTransBmp = 1;
            eGeometry geom = new eGeometry(eMap1);
            geom.PointCount = 1;
            ePoint2D pt = new ePoint2D();
            pt.x = coor[i];
            pt.y = coor[++i];
            geom.SetPointAt(0,pt);
            //添加一个点地位到eTrackingLayer层
            eMap1.GetTrackingLayer().AddEvent(geom,eGeoEvent.GeoType.Point,style,"1");
            eMap1.GetTrackingLayer().GetByTag("1").Text = "GPS";
            eMap1.GetTrackingLayer().GetByTag("1").ThemeLabel.IsVisible = true;
            eMap1.GetTrackingLayer().GetByTag("1").ThemeLabel.VJust = eThemeLabel.VertJust.VBottom;
            eMap1.GetTrackingLayer().IsVisible = true;
            
            //一定要显式调用Dispose方法
            geom.Dispose();
            eMap1.Invalidate();
            timer1.Enabled = true;
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (i > 12) i = -1;
            eMap1.GetTrackingLayer().GetByTag("1").MoveTo(coor[++i], coor[++i]);
            eMap1.Invalidate();
        }

        private void menuItem3_Click(object sender, EventArgs e)
        {
            eMap1.SetTool(eMap.ToolType.ZoomIn);
        }

        private void menuItem4_Click(object sender, EventArgs e)
        {
            eMap1.SetTool(eMap.ToolType.ZoomOut);
        }

        private void menuItem5_Click(object sender, EventArgs e)
        {
            eMap1.SetTool(eMap.ToolType.Pan);
        }
    }
}