DataGrid如何自动滑动到底部？

[holdxen]

因为我的DataGrid是动态更新的，我想在他数据更新的时候自动滑动到最底部，这个现在有办法实现吗

[zeekcheung]

ScrollToLast:

private void OnDataContextSet(object sender, EventArgs e)
{
    if (UIType != PluginUI.UIType.Basic || !(sender is DataGrid)) return;
    dataGrid = (DataGrid)sender;
    if (dataGrid.DataContext != null)
    {
        var dataContext = ((ViewModels.BasicUIViewModel)dataGrid.DataContext).BasicUIGrid;
        dataContext.CollectionChanged += ScrollToLast;
    }
}

private void ScrollToLast(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
    // Only trigger on adds.
    if (e.Action != System.Collections.Specialized.NotifyCollectionChangedAction.Add || UIType != PluginUI.UIType.Basic || dataGrid == null || !(sender is ObservableCollection<object>))
        return;
    var dataContext = (ObservableCollection<object>)sender;
    Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(() =>
    {
        dataGrid.ScrollIntoView(dataContext[dataContext.Count - 1], null);
    });
}