private void GridView_ContainerContentChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
{
GridView gridview = sender as GridView;
var scroll = Load.FindChildOfType <ScrollViewer>(gridview);
scroll.ViewChanged += async(s, a) =>
{
if ((scroll.VerticalOffset >= scroll.ScrollableHeight - 50 || scroll.ScrollableHeight == 0) && !isLoading)
{
int count0 = gridview.Items.Count;
int page = gridview.Items.Count / 20 + 1;
isLoading = true;
if (gridview.Tag.ToString() == "0")
{
var temps = await ContentServ.GetTopicListAsync(page);
if (temps.Count == 0)
{
return;
}
foreach (var item in temps)
{
gridview.Items.Add(item);
}
isLoading = false;
}
else
{
var temps = await ContentServ.GetEventListAsync(page);
if (temps.Count == 0)
{
return;
}
foreach (var item in temps)
{
gridview.Items.Add(item);
}
isLoading = false;
}
}
};
}
private async void load()
{
List <Models.Topic> topic = await ContentServ.GetTopicListAsync(1);
if (topic != null)
{
foreach (var item in topic)
{
list_topic.Items.Add(item);
}
}
list_event.Visibility = Visibility.Visible;
List <Models.Event> events = await ContentServ.GetEventListAsync(1);
if (events != null)
{
foreach (var item in events)
{
list_event.Items.Add(item);
}
}
}
private async void load(bool isTopic)
{
if (isTopic == true)
{
list_topic.Visibility = Visibility.Visible;
List <Models.Topic> topic = await ContentServ.GetTopicListAsync(1);
foreach (var item in topic)
{
list_topic.Items.Add(item);
}
}
if (isTopic == false)
{
list_event.Visibility = Visibility.Visible;
List <Models.Event> events = await ContentServ.GetEventListAsync(1);
foreach (var item in events)
{
list_event.Items.Add(item);
}
}
}
