treenode Questions

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So I've looked around the web and a couple of questions here in stackoverflow here are the definition: Generally, an internal node is any node that is not a leaf (a node with no children) Non-lea...
Geosynclinal asked 18/1, 2013 at 4:58

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I'm trying to search for a node in a binary tree and return in case it's there, otherwise, return null. By the way, the node class has a method name() that return a string with it's name...What I h...
Hustler asked 9/5, 2011 at 14:42

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I would like using my own Node class to implement tree structure in Java. But I'm confused how to do a deep copy to copy a tree. My Node class would be like this: public class Node{ private Strin...
Enjoy asked 19/4, 2013 at 6:12

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I need to be able to disable some of the checkboxes in a TreeView control of a WinForms application, but there's no such functionality built-in to the standard TreeView control. I am already using...
Gimel asked 30/3, 2009 at 18:10

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I'm making an interface to edit scenarios for a game. Basically it consists of events, which have nested conditions and actions. So, I planned on using two treeviews - one for selecting the event, ...
Nieshanieto asked 5/4, 2012 at 19:22

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I'm working on an application generated by JHipster and using Angular 4.3. I'm trying to use the tree component of PrimeNG I'm trying to convert an array of objects into an array of TreeNode, in ...
Enculturation asked 28/2, 2018 at 12:44

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Are there more straight forward method than the code below to get the root nodes or the first level nodes in a tree view? TreeNode node = treeView.SelectedNode; while(node != null) { node = node...
Angelaangele asked 23/12, 2010 at 16:18

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I have a role object that I wanted to map to a TreeNode object using PrimeNG to display it in a tree. The role object is something like this (shown in the picture as well) role: [ id: .... name: ...
Drees asked 1/9, 2017 at 0:36

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I want to set a different icon for each node in my JTree component. I'm loading each node from a database using a while loop. I set each icon like a root, leaf, or parent. I set them as follows: Al...
Reimers asked 19/12, 2013 at 21:22

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How can I find out if the selected node is a child node or a parent node in the TreeView control?
Biauriculate asked 16/4, 2011 at 5:55

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I have a treeview with some nodes. Under some condition I want to color each node with different color along with their children. I have written a function that colors node and its children. Will...
Hagfish asked 2/2, 2016 at 13:45

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This function find only first node in treeview, that contains SearchText. private TreeNode SearchNode(string SearchText,TreeNode StartNode) { TreeNode node=null; while (StartNode!= null) { if (...
Edbert asked 17/7, 2012 at 20:48

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Like this: TreeNode[] treeNodes = treeView.Nodes.Find(searchString, true); but I want it to search in the text field instead of the name field.
Teutonic asked 12/9, 2012 at 12:32

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From the definition of TreeNode in Spark SQL: abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product { self: BaseType => ... } What does it say about the subtypes of Tre...
Bullfight asked 11/10, 2015 at 7:55

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I have treenode & i would like to find the deepest child in the treenode. if there are 2 child nodes with level 11 & level 13 respectively then i need unction to return me the value 13. Ho...
Rachelrachele asked 29/11, 2011 at 12:21

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I have a Winform application where I am using TreeView. Some users of this application have a problem that they must double click on a node to expand it. So I added this code to use single click to...
Vagabond asked 20/5, 2014 at 11:45

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I want to make a tree from a table. the table is as following: OrgID OrgName parentID A001 Dept 0 -----th top A002 subDept1 A001 A003 sub_subDept A002 A006 gran_subDept A003 A004 subDept2 A001 ...
Rheumatic asked 9/4, 2014 at 9:2

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I have this code: private TreeNodeCollection treeCollection; public Client(TcpClient c) { this.tcpClient = c; this.tree = null; this.treeCollection = new TreeNodeCollection(); this.treeCol...
Prentiss asked 6/7, 2011 at 16:45

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So I have a TreeView in a C# windows form app. What I need is for some nodes to be "locked" so that they cannot be checked (or unchecked), based on a parameter. What I am doing now is this: priva...
Coyotillo asked 25/5, 2011 at 20:11

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Please have a look at the SSCCE. How can I make the non-selected tree nodes' background transparent. At the moment the background of non-selected nodes is white. My cell renderer, however, should p...
Bombsight asked 28/1, 2013 at 13:47

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I need to reload a tree after deleting one of the leafs of a node. The problem of reloading the entire store is, it's too slow. That's why I just want to reload a node where its leaf is deleted. I...
Mouthpiece asked 7/1, 2013 at 19:39

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I know this must be real easy but I just can't get it to work... I am trying to make a List for extjs Tree by comparing two columns from differnt rows and putting them as a Node or a leaf according...
Hanus asked 26/12, 2012 at 21:39

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I have a TreeView and each of it's Node.Text has two words. The first and second words should have different colors. I'm already changing the color of the text with the DrawMode properties and the ...
Vitale asked 11/12, 2012 at 16:17

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Earlier I asked how to fire an event when a TreeNode was renamed (here). My question was answered, but I ran into another problem. I need to access the TreeNode that is being edited in the CellEdit...
Dermal asked 19/6, 2012 at 19:27

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I created a class that extends DefaultMutableTreeNode. It has a variable, "resource" of the type Resource so that it can be linked to an object without that object affecting its name. The Resource ...
Hendon asked 19/6, 2012 at 16:34

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