private void RefreshExpandedDisplay()
{
// The preview control will not have its content refreshed unless
// the content is null. In order to perform real refresh, new data
// source needs to be rebound to the preview control by calling
// BindToDataSource method.
//
if (this.cachedLargeContent != null)
{
return;
}
if (largeContentGrid.Children.Count <= 0)
{
var newWatchTree = new WatchTree();
newWatchTree.DataContext = new WatchViewModel();
largeContentGrid.Children.Add(newWatchTree);
}
var watchTree = largeContentGrid.Children[0] as WatchTree;
var rootDataContext = watchTree.DataContext as WatchViewModel;
// Associate the data context to the view before binding.
cachedLargeContent = Watch.Process(mirrorData, string.Empty, false);
rootDataContext.Children.Add(cachedLargeContent);
// Establish data binding between data context and the view.
watchTree.treeView1.SetBinding(ItemsControl.ItemsSourceProperty,
new Binding("Children")
{
Mode = BindingMode.TwoWay,
Source = rootDataContext
});
}