I have a .Net desktop application with a TreeView as one of the UI elements. I want to be able to multi-select that TreeView, only that isn't supported at all. So I'm adding check-boxes to the tree, My problem is that only some items are selectable, and those that aren't can't consistently cascade selections. Is there any way to disa...
Is it possible (by using the stock c# TreeView) to have Multiline TreeNodes? Also, is it possible to add control characters to TreeNode's text e.g. '\t'? This same effect could also be achieved by adding columns to the TreeNode. is this possible? ...
I have a TreeView control showing multiple TreeNodes in an organised heirarchy. I want to stop the user selecting the highest level Nodes (this was achieved by using the BeforeSelect Event). I also want to stop the TreeView from highlighting the top level nodes if the user selects them i.e. stop the TreeView from changing the background ...
Is it possible to access information about the text selection within an editable TreeNode of a WinForms TreeView? I discovered methods such as BeginEdit() and EndEdit(bool cancel), but I need finer granularity of control -- something like TextBoxBase.SelectionStart and SelectionLength properties, but on the node itself. Is this possibl...
Can i tie a user object to a TreeNode in C#? ...
I have an imagelist of about 30 images, and 3 images I'd like to be able to overlay on top of the 30 when a TreeNode is in a particular state. I know that a C++ TreeItem can do this with the TVIS_OVERLAYMASK as such: SetItemState(hItem,INDEXTOOVERLAYMASK(nOverlayIndex), TVIS_OVERLAYMASK); Is there any mechanism to achieve similar re...
Hi. I'm using the click event on the TreeView to do some stuff when a node is clicked in the TreeView. I do this by getting the node that is click on by calling GetNodeAt() with the mouse coordinates, like this: private void TreeView_Click(object sender, System.EventArgs e) { MouseEventArgs mouseEventArgs = e as MouseEventArgs; ...
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. Of course, I googled for a solution, but found nothing I would be comfortable using. Does anyone have a simple and robust solution? ...
I have created an extended TreeView that overrides the CreateNode method to return an extened TreeNode like so public class SiteMapTreeView : System.Web.UI.WebControls.TreeView { protected override TreeNode CreateNode() { return new SiteMapTreeNode(); } } The problem is that the overridden RenderPreText method on t...
Hi, i already have a project with TreeNode class which creates a hierachy of nodes like treeview. Now i want to add a XML node to that treenode. In a simple way i can do it by using windows forms Treeview widget, But i don't want to use that. Is there any other way through which i can add nodes to the treenode? Thanks.. ...
Hello, I'm working on asp.net I've written a custom Treenode (customTreeNode) that I use to populate a treeview the problem comes up when firing the selectnodechanged event this event give me a TreeNode object and not a customTreeNode and I cannot seem to cast it somehow, does sy have a clue ? Thx here is the code I have populat...
How to do following - ASP.NET 2.0 TreeView and Selecting the Selected Node using JavaScript I am trying this by reading this article,but it does not find getTreeNode() property on asp.net 2.0 treeview control. ...
Hey there, Is is possible to display a node without children as a leaf node within the .NET 3.5 TreeView control? I have a treeview that displays a list of companies as nodes which would each display leaf nodes for documents belonging to that company. If a company exists without any documents I would still like it to be rendered as pa...
Hey There. Sorry if this is more obvious to most than it is to me but ... I would be most appreciative of some help. I have a treeview bound to a sitemap. Everything works just fine - so it seems to be set up well. However, I cannot access the nodes in the treeview. Here is the minimum code to demonstrate: .aspx: <form id="form1" runa...
Hey guyz! I have a .net 2.0 C# Project. I have a Treeview with 2 Nodes, each of them has many child nodes. When you click on a child node, a PDF is displayed in a webbrowser control depending on the properties of the node. Fine, but the problem is that when both Nodes are expanded, and I click on a child node, the other node gets collap...
I'm writing an iterative function to search a binary tree for a certain value. This is localized to signed ints until I get into how to genericize classes. Assume that my class is BinarySearchTree, and it has a pointer to the root node of the tree. Also assume that nodes are inserted through an insert function, and have pointers to two...
What would cause a TreeView to collapse, other than a call to the .Collapse() method on a TreeNode or the .CollapseAll() method of the TreeView? In an application that I am developing, the TreeView will simply not behave properly. The TreeView maintains only two levels. When selecting a child of a parent node, all other nodes immediatel...
I'm looking for a javascript widget to show some fairly complex graphes... Ideally, it would be interactive, that is the user should be able to move around the nodes, select one or many, zoom in, click on a node to see more info, etc... If it could have printing support, that would be marvelous... The idea is to let the user browse th...
Hi, There is probably a really straightforward answer to this but I'm having difficulty finding it. Simple, I have a TreeNode and I would like to make its visibility false. (or another way of not allowing it to be shown until required). Edit - Another Question? I'm confused as to how there isn't a Visible attribute but then there is ...
What is the best method to loop through TreeView nodes and retrieve a node based on certain value? ...