protected override void OnBindingPathChanged(DependencyPropertyChangedEventArgs args)
{
HighValues.Clear();
LowValues.Clear();
Segment = null;
base.OnBindingPathChanged(args);
}
public void Handle(string message)
{
Execute.OnUIThreadSync(async() =>
{
WeatherItemViewModels?.Clear();
LowValues?.Clear();
HighValues?.Clear();
GC.Collect();
WeaResModel = await WeatherUtil.GetWeathers(message);
if (WeaResModel?.Data?.Forecast != null)
{
ChartVisibility = Visibility.Visible;
foreach (var item in WeaResModel.Data.Forecast)
{
var ivm = _container.Get <WeatherItemViewModel>();
ivm.WeatherInfo = item;
await Task.Delay(200);
WeatherItemViewModels.Add(ivm);
LowValues.Add(item.LowNum);
HighValues.Add(item.HighNum);
}
}
else
{
ChartVisibility = Visibility.Hidden;
}
});
}
/// <summary>
/// Called when DataSource property changed
/// </summary>
/// <param name="oldValue"></param>
/// <param name="newValue"></param>
protected override void OnDataSourceChanged(IEnumerable oldValue, IEnumerable newValue)
{
base.OnDataSourceChanged(oldValue, newValue);
HighValues.Clear();
LowValues.Clear();
Segment = null;
GeneratePoints(new string[] { High, Low }, HighValues, LowValues);
isPointValidated = false;
this.UpdateArea();
}