private async Task DrawPolyline(List <BasicGeoposition> geopositions)
{
SegmentMap.MapElements.Clear();
if (geopositions.Any())
{
if (ExpandMapButton == null)
{
FindName("ExpandMapButton");
}
else
{
ExpandMapButton.Visibility = Visibility.Visible;
}
var polyLine = new MapPolyline {
Path = new Geopath(geopositions), StrokeThickness = 4, StrokeColor = (Color)App.Current.Resources["StravaRedColor"]
};
SegmentMap.MapElements.Add(polyLine);
MapIcon startMapIcon = new MapIcon();
startMapIcon.Location = new Geopoint(geopositions.First());
startMapIcon.NormalizedAnchorPoint = new Point(0.5, 0.5);
startMapIcon.Image = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/Start.png"));
SegmentMap.MapElements.Add(startMapIcon);
MapIcon endMapIcon = new MapIcon();
endMapIcon.Location = new Geopoint(geopositions.Last());
endMapIcon.NormalizedAnchorPoint = new Point(0.5, 0.5);
endMapIcon.Image = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/End.png"));
SegmentMap.MapElements.Add(endMapIcon);
var zoomed = false;
while (!zoomed)
{
zoomed = await SegmentMap.TrySetViewBoundsAsync(GeoboundingBox.TryCompute(geopositions), null, MapAnimationKind.None);
}
}
else
if (ExpandMapButton != null)
{
ExpandMapButton.Visibility = Visibility.Collapsed;
}
}