private void UnbindPolyline(MapPolyline polyline)
{
polyline.PropertyChanged -= polyline_PropertyChanged;
polyline.PositionChanged -= polyline_PositionChanged;
}
private void RemovePolylineFromMap(MapPolyline polyline)
{
if (_polylines.ContainsKey(polyline))
{
var line = _polylines[polyline];
// remove the old polyline from the map
line.RemoveFromMap();
line.Dispose();
}
}
private void RemovePolyline(MapPolyline polyline)
{
if (_polylines.ContainsKey(polyline) == false)
return;
RemovePolylineFromMap(polyline);
_polylines.Remove(polyline);
}
private PolylineOptions CreatePolylineOptions(MapPolyline polyline)
{
var op = new PolylineOptions();
op.InvokeColor(polyline.Color.ToAndroid().ToArgb());
op.InvokeWidth((float)polyline.Width);
op.InvokeZIndex(polyline.ZIndex);
return op;
}
private void AddPolyline(MapPolyline polyline)
{
// add the new one
using (var op = CreatePolylineOptions(polyline))
{
foreach (var pt in polyline.Positions)
{
op.Add(pt);
}
// add the last polyline segment
var line = PolylineAdv.Add(NativeMap, op);
_polylines.Add(polyline, line);
}
}
private void UnbindPolyline(MapPolyline polyline)
{
polyline.PropertyChanged -= polyline_PropertyChanged;
polyline.PositionChanged -= polyline_PositionChanged;
}