private void 添加一个点ToolStripMenuItem_Click(object sender, System.EventArgs e)
{
if (lineElement == null)
{
return;
}
lineElement.AddPoint(new MapLngLat(0, 0));
}
/// <summary>
/// 鼠标按下事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gmapControl_MouseDown(object sender, MouseEventArgs e)
{
TimeSpan span = DateTime.Now - fistTimer;
if (span.TotalMilliseconds < 170)
{
return;
}
fistTimer = DateTime.Now;
if (e.Clicks == 2 || e.Button != MouseButtons.Left || mouseDown)
{
return;
}
var lngLat = gmapControl.FromLocalToLatLng(e.X, e.Y);
var maplngLat = new MapLngLat(lngLat.Lng, lngLat.Lat);
if (listMapPoints.Count == 0)
{
//加线
Kml kmlLine = new Kml();
kmlLine.Placemark.Name = "draw_line" + Utils.ElementIndex;
KmlLineString line = new KmlLineString();
line.Color = Color.Green;
line.Width = 2;
List <MapLngLat> pList = new List <MapLngLat>();
pList.Add(new MapLngLat(lngLat.Lng, lngLat.Lat));
line.PositionList = pList; //string.Format("{0},{1}", lngLat.Lng, lngLat.Lat);
kmlLine.Placemark.Graph = line;
IMFElement element = null;
drawn = layer.AddElement(kmlLine, out element);
lineElement = element as IMFLine;
listMapPoints.Add(maplngLat);
gmapControl.MouseMove += gmapControl_MouseMove;
}
else
{
if (!listMapPoints.Contains(maplngLat))
{
listMapPoints.Add(maplngLat);
lineElement.AddPoint(maplngLat);
}
}
}
