void MapControl_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (isEnable && isStarted && lastPointLatLng != PointLatLng.Empty)
{
PointLatLng p = MapControl.FromLocalToLatLng(e.X, e.Y);
double x = p.Lng - lastPointLatLng.Lng;
double y = p.Lat - lastPointLatLng.Lat;
double dis = GMapHelper.GetDistanceInMeter(p, lastPointLatLng);
double sum = distanceList.Sum();
dis += sum;
string s = string.Format("总长：{0:0.00}米", dis);
//this.toolTip.Show(s, this.MapControl);
this.toolTip.SetToolTip(this.MapControl, s);
tempLine.EndPoint = p;
this.MapControl.UpdateMarkerLocalPosition(tempLine);
this.MapControl.Refresh();
}
}
private void MapControl_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Left && !isStarted && isEnable)
{
isStarted = true;
this.toolTip.Active = true;
PointLatLng p = MapControl.FromLocalToLatLng(e.X, e.Y);
DrawDistanceMarker marker = new DrawDistanceMarker(p, "起点");
tempOverlay.Markers.Add(marker);
lastPointLatLng = p;
tempLine = new TempLineMarker(p, p);
tempOverlay.Markers.Add(tempLine);
}
else if (e.Button == MouseButtons.Left && isStarted && isEnable)
{
PointLatLng p = MapControl.FromLocalToLatLng(e.X, e.Y);
double x = p.Lng - lastPointLatLng.Lng;
double y = p.Lat - lastPointLatLng.Lat;
double dis = GMapHelper.GetDistanceInMeter(p, lastPointLatLng);
distanceList.Add(dis);
double sum = distanceList.Sum();
string s = string.Format("{0:0.00}米", sum);
DrawDistanceMarker marker = new DrawDistanceMarker(p, s);
tempOverlay.Markers.Add(marker);
LineMarker line = new LineMarker(new PointLatLng(lastPointLatLng.Lat, lastPointLatLng.Lng), p);
tempOverlay.Markers.Add(line);
if (tempOverlay.Markers.Contains(tempLine))
{
tempOverlay.Markers.Remove(tempLine);
}
tempLine = new TempLineMarker(p, p);
tempOverlay.Markers.Add(tempLine);
lastPointLatLng = p;
}
}