/// <summary>
/// Ensures the item right-clicked on is selected before showing the context
/// menu.
/// </summary>
private void FileTreeView_PreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
var source = e.OriginalSource as DependencyObject;
if (source == null)
{
return;
}
var treeViewItem = WpfUtilities.VisualTreeGetParentOfType <TreeViewItem>(source);
if (treeViewItem == null)
{
return;
}
treeViewItem.Focus();
e.Handled = true;
}