public void GoBack()
{
String nodePath = BackStack.Pop();
if (!String.IsNullOrEmpty(nodePath))
{
if (_treeView.SelectedItem != null)
{
ForwardStack.Push(_treeView.SelectedItem.Path);
}
ShouldAddToStack = false;
_treeView.ShowNode(nodePath);
}
}
private void btnGo_Click(object sender, RoutedEventArgs e)
{
if (dgNodes.SelectedItem != null)
{
//先保存原有的节点数据
if (_tree.SelectedItem != null)
{
_tree.SelectedItem.NodeData.DataItem.RefreshMe();
//当前节点如果是OnlyText时，其AccessObj==null，此时不应该更新底层存储
if (_tree.SelectedItem.NodeData.AccessObject != null)
{
try
{
_tree.SelectedItem.NodeData.AccessObject.UpdateDataInfoObject(_tree.SelectedItem.NodeData.DataItem);
}
catch (Exception ex)
{
Dispatcher.Invoke(new Action(() => { MessageBox.Show(ex.ToString()); }));
}
}
}
//显示新数据
TreeViewIconsItem node = dgNodes.SelectedItem as TreeViewIconsItem;
_tree.ShowNode(node.Path);
//如果当前节点不可视，则滚动显示它！
node.BringIntoView();
}
}