treeview

Binding to TreeView in WPF

I am trying to bind some data from a class instance to a TreeView. My code is as follows: public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); Parent myClass = new Parent(); this.DataContext = myClass; } } public class Parent { private List<string> chil...

dynamic ContextMenu in TreeView vs. MVVM

I have a tree of ViewModels displayed as a TreeView (using HierarchicalDataTemplate). Each ViewModel instance has different commands that can be executed on it wich again are exposed as a list of command ViewModels for each item ViewModel. How can I create a single ContextMenu that opens at the TreeViewItem that was rightclicked and that...

2 sided winform Tree - exist?

Hi, I'm looking for a 2 sided winform Tree control. something like what you see in the math books. meaning that the tree can go both right and left in the control. Something like http://www.math.bas.bg/~nkirov/2010/NETB201/slides/ch06/pic3.jpg Thanks Avi ...

Last node of the treeview selected node changed not working

im using Treeview in my master page...and every node except last node get selected if i click on it and can be redirect to respond treenode page...but when i click last node of the treeview the selectednode changed event doesnt fired it just stop page load event itself(breakpoint)..... how can i solve this problem? ...

JQuery treeview - add node(s) in middle of tree

Hi all, I'm just getting started with JQuery and the treeview plugin so this should be a relatively easy question: The example code for adding branches to the tree: var newnodes = $("<li><span class='folder'>New Sublist</span><ul>" + "<li><span class='file'>Item1</span></li>" + "<li><span class='file'>Item2</span></li></ul><...

WPF treeview with rounded corners

I have a treeview in a UI full of rounded corners, so I'd like the treeview to match. Is it possible in xaml to change the border of a treeview to have rounded corners? I've thought about hiding the border and putting the treeview inside a rounded rectangle, but this loses real-estate and seems in-elegant. Any ideas? ...

wpf: usercontrol vs. customcontrol performance issue

Which one is better from performance view user control or custom control? Right now I am using user control and In a specific scenario, I am creating around 200(approx.) different instances of this control but it is bit slow while loading and I need to wait atlest 20-30 second to complete the operation. What should I do to increase the p...

Modelling a checkable treeview in the MVVM model

Hi, I am trying to create a checkable treeview control to list hierarchical data but it does not seem to work. I used the MVVM model example used by in codeplex simplified Treeview using ViewModel but it shows nothing. Here is my code. Please help. I am a newbie to WPF and the MVVM model but i very much want to use it in an urgent appli...

WPF Treeview contextmenu IsChecked binding MVVM

I've got a TreeView to which I associate a ContextMenu. That contextmenu has an item whose IsChecked property I want to bind to my ViewModel. Since I am using a tree each treeitem is bound to a subproperty of my ViewModel. In the VS2010 output window I am seeing this databinding error: BindingExpression path error: 'IsAutoStart' proper...

How to calculate commision based on referred memebrs?

Hello everybody, I am developing a small software in C# WPF for a consultancy which does chain system business. I have coded tree structure to show who referred whom. Now it has commission depending on level. If 1 referred 2 & 3 then 1 will get level-1 commission. If 2 referred 4, 5 & 3 referred 6, 7 then 1 will receive level-2 commissio...

TreeView Root Node Style

I have a tree view <asp:TreeView ID="TreeView1" runat="server" DataSourceID="SiteMapDataSource1" ShowExpandCollapse="False"> </asp:TreeView> As you can see, root node is hidden. However when the treenode gets rendered, there is a whitespace to the left of each leafnode. This is probably because the root node is hidden but is ta...

How can I modify my classes to use it's collections in WPF TreeView

Hello, i'am trying to modify my objects to make hierarchical collection model. I need help. My objects are Good and GoodCategory: public class Good { int _ID; int _GoodCategory; string _GoodtName; public int ID { get { return _ID; } } ...

Wpf: Treeview updated or datatemplate applied event

The scenario is: In my Window, I have a TreeView, each item of this represents different user-defined types, So I have defined DataTemplate for each type. These DataTemplates are using user-controls and these usercontrols are binded with properties of user-defined types. As simple, TreeView maps a Hierarchical Data Structure of user-defi...

Modify scroll speed, treeview drag&drop in C#

i have a treview control with drag&drop functionality that response to draw the node outside the visible limits scrolling in the apropiate direction. The problem is that it scroll at light speed. I need a way to modify this speed. ...

Treeview - Link Button Post Back Problem

Hi there I' m working on a web application. That has a master page and two pages. These pages under the that master page. I am trying navigate that pages with a TreeView which on the master page. When i click to treeview node i can go to page which i want but there is no postback. But if i use linkbutton postback event happen. I use a b...

adding child nodes to a treeview control in wpf,c#

Hi , i have implemented a treeview control on a buttonclick event like this: namespace TaxonomyTreeview { /// <summary> /// Interaction logic for Window1.xaml /// </summary> public partial class Window1 : Window { ObservableCollection<TaxonomyData> _TaxonomyCollection = new ObservableCollection<TaxonomyData>...

How do I present a RichFaces tree with a specific node already expanded

I have a JSF page that displays a RichFaces Treeview, from a TreeNodeImpl model generated in the backing bean. Now I want the page to display initially with a specific node expanded / selected. Preferrably this expansion should be controlled from the backing bean (no javascript wizardry) The whole tree has been generated at the time o...

How to list directory hierarchy in PyGTK treeview widget?

I am trying to generate a hierarchical directory listing in pyGTK. Currently, I have this following directory tree: /root folderA - subdirA - subA.py - a.py folderB - b.py I have written a function that -almost- seem to work: def go(root, piter = None): for filename in os.listdir(ro...

Weird behaviour in Drag drop

Im using drag drop to treeView items in a tree in a WPF application. There is some unexpected behaviour when I drag a node from the bottom edge and drag it to some other node. The node that I drag is not getting moved, but the node immediately below it is. Please let me know if you have any thoughts on this or experienced this before. Th...

Hierarchical checked tree control with tri-state checkboxes in wxPython?

As per the title, is this possible? By tri-state, I mean the parent node is: Checked if all children are checked Unchecked if all children are unchecked Grey/Filled if some children are checked I have used them previously in C# but cannot find an equivalent control/implementation for wxPython. ...