treenode

NHibernate - how to map collection of trees

Hi, I want map my object model to NHibernate. There is one tricky part in my concept and I don't know if it is possible to do this in NHibernate. I want to have a collection of trees. I have two classes (below, only important properties indicated). Component is a node of a tree and ComponentGroup is a collection of trees. public class...

How can set MaxLength for TreeNode Name and text property?

How can set MaxLength for TreeNode Name and text property? This is a windows forms application, where user right clicks a treeview to add a node and the maxlength of the treenode name should be 40 chars. Currently I check this in AfterlabelEdit event, and throw a message if no. of chars exceeds. But the requiremnet says to limit the leng...

Wrking with Right Click on treeview nodes

Hi, I am working with treenodes (TreeView.Nodes) in C# in Vsual studio 2005 and want to add a right click functionality to some of the nodes in the treeview. The right click functionality would options like add, delete, rename and modify (for now). Can anyone please guide me on how to get statrted with adding this functionality. Thanks...

C# How to inherit from the treenode class?

I have a class that inherits from TreeNode, called ExtendedTreeNode. To add an object of this type to the treeview is not a problem. But how do I retrieve the object from the treeview? I have tried this: TreeNode node = tvManual.Find("path/to/node"); // tvManual is a treeview return ((ExtendedTreeNode)node).Property; But this doesn'...

Why is StateImageIndex on TreeNode limted to a max value of 14?

Can someone here please explain to me why the StateImageIndex on TreeNode is limited to a maximum value of 14? It doesn't make any sense to me at all. ...

Adding drag and drop support to Jtree

i want to add drag and drop support to my JTree application i hav a created a custom DefaultMutableTreeNode subclass hav a default TreeCellRenderer what all things do i need to add and where? ...

Adding attributes to a dojo tree node on creation

I'm using a dojox.data.QueryReadStore to populate a dijit.Tree dynamically on expansion of each node. When each of the child TreeNodes is created, I'd like to put a custom attribute on it. How do I get called back on the automatic creation of TreeNodes before rendering? ...

TreeView with custom drawn TreeNode

Hi I am trying to add a custom icon near the text of a TreeNode, so the items could have a "checked/unchecked" state displayed. I don't want to use a checkbox for that. Any ideas? Thanks ...

N-Level Tree PHP MYSQL HELP

I have been looking at a N-level tree class. Could anyone possibly advise on the best way I could display the results ie, the looping of the result set, should I use DIVs or ULs? An example result set will look like so if you find the article too long to read Array ( [531] => stdClass Object ( [id] => 531 [rid] => 0 [created] => 12553...

PHP Tree building function breaks when depth = 4 but works when depth <4, why?

Hi all. Frankly this is part of my uni assignment, BUT I have already done quite a bit... so please feel comfortable and keep reading since I am not asking for a cheat sheet or so :) The project is now deployed on my website Okay, I might have found the reason just minutes ago: array_push() fails after pushing many items in an ar...

Using recursively returned reference to node in tree does not allow changes to the node itself

My data structures class is working with trees. We are implementing a 3-ary tree, containing 2 values with a reference to a left, middle, and right node (left subtree is less than value 1, middle subtree is between value 1 and value 2, right subtree is greater than value 2). An interface has been provided for the Tree class, and the fin...

drag and drop on all nodes of a tree structure simultaneously in a advanceddatagrid

I have an advanceddatagrid tree with a hierarchial XML as its dataprovider. If i drag and drop a branch from one node in a tree, the similar action is to be performed on all nodes of the tree simultaneously. Can anybody suggest how do we perform this. ...

Custom drawing Treeview / Treenode

In a normal WinForms TreeView, when you select a TreeNode, it highlights this in a blue, rectangle around the text of the TreeNode. I need a custom drawn treeview, that when selected, the highlighted area will extend to the edges of the actual treeview itself. instead of just surrounding the text. also, id like it to be gradient a little...

user control in a treenode of treeview wpf

Just wondering if it is possible to display a usercontrol or a shape inside a treenode of a treeview. When you click on the node i would like to display a square for one node or a circle for another node. Please let me know if you have any suggestions. Thanks N ...

c# WinForms Detect real visibility of TreeView

Hi, I have a WinForms TreeView and a tree, built from custom node objects which inherits TreeNode the problem is that these nodes can be displayed in only one tree at the time. Now I have multiple controls with a TreeView that should display these nodes. How can I indicate that the treeView is displayed? I can catch the VisibleChanged e...

Implementing IEnumerable on a tree structure

Based on the work of these guys: dvanderboom.wordpress.com/2008/03/15/treet-implementing-a-non-binary-tree-in-c/ www.matthidinger.com/archive/2009/02/08/asp.net-mvc-recursive-treeview-helper.aspx I am trying to implement a TreeView helper that would be used as such: <%= Html.TreeView("records", Library.Instance.Reco...

ASP.NET Custom Treeview with custom TreeNode

Hello, I have a question regarding the ASP.NET 3.5 Treeview and Treenodes. I'd like to build a Treeivew that supports multistate checkbox. I actually would like 4 states - checked, unchecked, indeterminate (like a tri-state box - parent is tri-state, if not all of the children are checked) and NotAppicable (this checkbox would be an X...

C# TreeNode control, how do I run a program when node is clicked?

Hi all, I'm creating an application launcher for our company and I would like to use the TreeNode control (we have 100s of network applications that need a structure), when a user clicks a Node (Example: Application 1) then I would like to run the program on it's own i.e. the app launcher isn't waiting for it to close etc. How would I ...

Can I make a binary search tree with this?

I've made BSTs before. Can I use this to make a BST without modifications? template <class Item> class binary_tree_node { public: private: Item data_field; binary_tree_node *left_ptr; binary_tree_node *right_ptr; }; I tried making a BST with this but ran into some problems. For one thing, when I create the root node,...

how to go from TreeNode.FullPath data and get the actual treenode?

Hi all, I would like to store some data from TreeNode.FullPath and then later i would like to re-expand everything up to that point. Is there a simple way of doing it? Thanks a lot! ...