Expand All Nodes WindowsAnalyzer TreeView

• 
  I would try the TreeView's ExpandAll() method - you might have to explicitly cast to a TreeView first.

  haleyjason May 14, 2009 10:19

  - 0 +
• 
  Hello haleyjason,
  thanks for your response.
  
  I’m doing the explicit cast of the TreeView
  
  Anyway, I prefer to show you the entire code
  
  Note: This project have 2 main items.
  1 - Package Class: To comunicate with the Reflector
  2 - MethodForm:
  
  Package Class
  
  internal class MethodDependencyPackage : IPackage
  
  {
  private IWindowManager windowManager;
  private ICommandBarManager commandBarManager;
  private ICommandBarSeparator separator;
  private ICommandBarButton button;
  
  public void Load(IServiceProvider serviceProvider)
  {
  MethodDependencyWindow methodDependencyWindow = new MethodDependencyWindow();
  this.windowManager = (IWindowManager)serviceProvider.GetService(typeof(IWindowManager));
  this.windowManager.Windows.Add("MethodDependencyWindow", methodDependencyWindow, "Method Dependency");
  //obtengo la ventana de Analyzer
  methodDependencyWindow.windowsAnalyzer = this.windowManager.Windows["AnalyzerWindow"];
  this.commandBarManager = (ICommandBarManager)serviceProvider.GetService(typeof(ICommandBarManager));
  this.separator = this.commandBarManager.CommandBars["Tools"].Items.AddSeparator();
  this.button = this.commandBarManager.CommandBars["Tools"].Items.AddButton("&MethodDependency", new EventHandler(this.MethodDependencyButton_Click));
  }
  }
  }
  
  In this class I get the Analyzer window object. I will need it to get the TreeView and expand it.
  
  When the first node is expanded the MethodDependencyAfterExpand is called and begins the recursion
  
  the problem I see, is that, the second time that the MethodDependencyAfterExpand is called, the actual node (e.Node) has no childNodes (e.Node.Nodes.Count =0 )
  
  windowFormClass
  
  
  public partial class MethodDependencyWindow : UserControl
  {
  private IWindow _windowsAnalyzer;
  public IWindow windowsAnalyzer
  {
  get { return _windowsAnalyzer; }
  set {
  _windowsAnalyzer = value;
  TreeView analyzerTreeView = (TreeView)(windowsAnalyzer.Content.Controls[0]);
  analyzerTreeView.AfterExpand += new TreeViewEventHandler(this.MethodDependencyAfterExpand);
  }
  }
  private void MethodDependencyAfterExpand(object sender, TreeViewEventArgs e)
  {
  System.Threading.Thread.Sleep(2000);
  foreach (TreeNode node in e.Node.Nodes)
  {
  if (node.Parent != null && node.Parent.IsExpanded)
  {
  node.Expand();
  }
  }
  }
  }
  
  Regards,
  Nico

  NEspinosa May 18, 2009 11:04

  - 0 +
• 
  I think you can probably come up with something using 2 different events and the producer consumer pattern of sorts. The 2 events i would try are the AfterExpanded (which you have) and the Invalidated (which will fire when the next node is ready).
  

  private void tree_Invalidated(object sender, InvalidateEventArgs e)
  {
       MessageBox.Show("Invalidated");
  }
  

  private void MethodDependencyAfterExpand(object sender, TreeViewEventArgs e)
  {
      if (e.Action == TreeViewAction.Expand)
      {
          MessageBox.Show("After Expanded");
      }
  }
  

  I was thinking something like the following would work:
  1. expand a node and throw any children in a queue/list for processing (producer)
  2. have a consumer of that queue/list that looks for nodes it should expand (the consumer will need to be wired to the queue/list so it knows when to process new items)
  3. when the invalidated event fires, check for new nodes and put into queue/list to be processed
  4. when expanded event fires, check for new nodes and put into queue/list to be processed
  
  Play around with the timing of those 2 events and you'll probably find what you need to know when to try and exapand a node once it is available.
  
  Buena Suerta

  haleyjason May 18, 2009 23:21

  - 0 +
• 
  Hi all,
  
  Finally did you succeed ?
  I'm trying todo the same thing, I have no real error. but Reflector doesn't respond anymore after.
  The first node i expand is ok, the second is not.
  
  Can you help me?
  
  Thanks
  
  Jérôme

  jelaporte September 08, 2009 11:57

  - 0 +

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