I need help to use multicolumns treeview in Excel VBA application. Can someone help me please! Regards What I have tried: Tried to download files, but don't know how to use them in VBA editor

VBA

treeview

Multi columns treeview in VBA

6 Oct 2023 by Dave Kreskowiak

There's no such thing as a "multi-column treeview" in VBA. You'd have to create a custom control in VBA to get such functionality. Google for "vba create custom controls" for more information on creating controls.

VBA

treeview

Multi columns treeview in VBA

6 Oct 2023 by Richard MacCutchan

A TreeView control does not contain columns, it is structured as a collection of parent-child nodes: see Excel VBA - The Treeview Control[^].

VBA

treeview

How to reorder treeviewitem by drag&drop in treeview using interactivity.behavior class in WPF

13 Sep 2023 by BabyHai

I have implemented the Drag&Drop from a ListBox to a TreeView. Now I want, for example, after dropping items to TreeView, to drag ListBoxItem2 and drop it in the TreeViewItem1 and vice versa for other two items. I am using Behavior class from...

WPF

behaviors

treeview

Change Text of a Tree Node in treeview c# win. form

25 Jan 2023 by SerkanBB

Instead of displaying a messagebox in case of any invalidated chars in your new label you can replace with valid chars for treeview or xml; public static class StringExtension { public static string Clean(string s) { return new...

WinForms

treeview

Change Text of a Tree Node in treeview c# win. form

25 Jan 2023 by agent_kruger

How to restrict somebody from entering text in a tree node. I want to check after "treeView1_AfterLabelEdit" that if the text inserted is already saved. If yes, then the inserted text should be changed to "New". How to do so?

WinForms

treeview

Two treeview structure in two drives

8 Sep 2022 by Member 14783397

I have a WinForm Application which takes the structure of two TreeViews and implements them as Folders into the path which the users chose in the Drop Down. The Drop Down currently gets all the chooseable folders from Z: Now my TreeView...

WinForms

treeview

Create folders with treeview in winforms

7 Sep 2022 by Member 14783397

I saw really many examples displaying exisiting folder structure with TreeView, but what I am trying to do is following -> I have a standard folder structure in my C# WinForms with several folders and subfolders and a comboBox which display...

Visual-Studio

treeview

Create folders with treeview in winforms

7 Sep 2022 by Maciej Los

Follow the instruction from MSDN: Walkthrough: Creating an Explorer Style Interface with the ListView and TreeView Controls Using the Designer - Windows Forms .NET Framework | Microsoft Docs[^]

Visual-Studio

treeview

Create folders with treeview in winforms

6 Sep 2022 by dan!sh

If I understand right, user selects a location from dropdown, checks nodes on tree view and clicks a button. This button click would create a directory structure within the location. Is that correct? If yes, you can may be try this approach: 0....

Visual-Studio

treeview

Wpf treeview binding to list<itemes>

3 Mar 2022 by Member 7912784

i have list of items this list have another list of items how to bind it to the TreeView public List JobeGroups { get; set; } = new List() { new JobesGroup() { ID=1, ...

WPF

Binding

treeview

Wpf treeview binding to list<itemes>

3 Mar 2022 by Member 7912784

Here is solution thanks to thatguy at Stack Overflow - Where Developers Learn, Share, & Build Careers[^]

WPF

Binding

treeview

Wpf treeview binding to list<itemes>

2 Mar 2022 by Graeme_Grant

I did a quick Google Search:wpf treeview binding[^] And found this for you: TreeView, data binding and multiple templates - The complete WPF tutorial[^]

WPF

Binding

treeview

Extend treenodes with propertys

19 Apr 2021 by JR212

Hi working from my treeview mention in Treeview ownerdrawtext bound[^] I also want to add propertys to the treeviewnodes. So I want to extend the existing treenode with those so that I can paint them like I want. What I have tried: Already...

treeview

Extend treenodes with propertys

19 Apr 2021 by JR212

I really hoped it was possible. However I was already thinking of doing it your way. So I have a very simple class that I add to the tag. in the drawnode I test of the tag is of my new class and al is working. I even created a public function in...

treeview

Extend treenodes with propertys

18 Apr 2021 by OriginalGriff

If deriving a class from TreeNode[^] isn't possible for some reason - and I've not tried it but I'd have thought it was fairly easy but I could be missing something - then the simplest way to do it is to use the Tag property that every Control...

treeview

Treeview ownerdrawtext bound

14 Apr 2021 by JR212

Hi I have an treeview with TreeViewDrawMode.OwnerDrawText. Works fine but when I click on a node outside the original bound it wount select. Example: nodetext is ?? (2 question marks) the bound with is 10. After that text I add extra info like...

treeview

How to remain the treeview after redirect to another page?

4 Apr 2021 by Member 15095035

I had a treeview in my master page, After i expand the treeview and click the node, it will redirect to another page, and then the treeview will be refresh to default, which means showing the treeview before expanding.. What I have tried: So i...

ASP.NET

treeview

How to remain the treeview after redirect to another page?

4 Apr 2021 by Member 15095035

I had used another method to get it done, but facing another small issue which is after i close the program and run again, the treeview showing the state before i close the program.. i need the state to be default which is all collapse..how to...

ASP.NET

treeview

How to remain the treeview after redirect to another page?

2 Apr 2021 by F-ES Sitecore

When you record the expanded states the sub-nodes are listed as expanded even if the parent node is collapsed so that is forcing them all open. This update will ignore the child items of collapsed nodes public void GetExpandedStatus(TreeNode...

ASP.NET

treeview

About using tag property in C# treeview

13 Jan 2021 by Thomas Kunkel

Hello, I want to ask about the use of Tag-property of TreeView component in WinForms, C#. I´ve used TreeView component previously with RAD-Studio / Delphi. In there, the Tag was a Pointer. In C# it is an Object. What I am having is a record...

WinForms

treeview

About using tag property in C# treeview

13 Jan 2021 by Maciej Los

Quote: ... can someone please explain how exactly that Tag works ? Well, i'd suggest to read the documentation: Control.Tag Property (System.Windows.Forms) | Microsoft Docs[^] TreeView Class (System.Windows.Forms) | Microsoft Docs[^] As to...

WinForms

treeview

About using tag property in C# treeview

12 Jan 2021 by Chris Copeland

Have you tried changing the myRecordStruct from a struct to a class? class myRecordStruct{ double data1 double data2 double data3 List dataList } An issue with using struct is that they are passed-by-value, rather...

WinForms

treeview

About using tag property in C# treeview

12 Jan 2021 by RickZeeland

See this article: How to use managed pointers in C# | InfoWorld[^]

WinForms

treeview

C# datagridview with treeview column

13 Dec 2020 by Taher El Marengoze

I am trying to learn how to make custom controls. I am trying to make a dataGridView with a Treeview Column (Cell Editing control not how the data is displayed in the cell) based on this article Here. But I can't tell my code how to take the...

DataGridView

treeview

custom-controls

C# datagridview with treeview column

13 Dec 2020 by BillWoodruff

See: [^] for an article on a TreeListView here. There are lots of 3rd. party controls, like DotNetBar: (commercial) [^]. Using what the ToolBox provides: consider a SplitContainer with a TreeView in Panel1, and a DataGridView in Panel2 ... or a...

DataGridView

treeview

custom-controls

C# datagridview with treeview column

13 Dec 2020 by Gerry Schmitz

You don't put a "treeview in a cell"; the best you can hope to do is link to a tree view (somewhere) based on the value in the cell. (like a BOM#). The article discusses the "Date Picker"; which "lauches" a (.NET) calendar type control; it's not...

DataGridView

treeview

custom-controls

How to change the keyboard function?

11 Oct 2020 by link1234

Hi. I Have One Tree View, One Media Element and one Custom Menu Tabs In My WPF Program. I want My Keyboard have Different Function in Each of them. For Example Up and Down key in Tree view Should Move Between the Item and In The Media Element...

WPF

treeview

How to change the keyboard function?

11 Oct 2020 by Richard MacCutchan

You need to check some other item for each key to see which function to perform. As it stands your cases each perform the same function always. You need something like: private void Window_KeyDown(object sender, KeyEventArgs e) { if...

WPF

treeview

Refresh the treeview item in WPF

10 Oct 2020 by link1234

Thank you. My Problem Solved with using simple Try Catch code for reset the Index of Array; But now I have another Problem. I Want move between Item of TreeView With keyboard and Button i Define, But i Do not know how to change the Item with...

WPF

treeview

Refresh the treeview item in WPF

10 Oct 2020 by link1234

Hi I have Treeview in my WPF Project with C#. I Use the below code for refresh the TreeView eachtime the OpenFileDialog excute. OpenFileDialog FD = new OpenFileDialog(); FD.Multiselect = true; if (FD.ShowDialog() ==...

WPF

treeview

Refresh the treeview item in WPF

10 Oct 2020 by Sandeep Mewara

Treeview_selectedItemChange Show the «Indox was out of the bounds array» error. Reference: IndexOutOfRangeException Class (System) | Microsoft Docs[^] Quote: The exception that is thrown when an attempt is made to access an element of an array...

WPF

treeview

How to write multiple line in a tree node in treeview in c# win. form

16 Mar 2020 by Master@Infinity

How to write multiple line in treeview's node:-Example:Image[^]

How to write multiple line in a tree node in treeview in c# win. form

16 Mar 2020 by eldhosepk

Try this TreeNode tnode_child_item = new TreeNode(); tnode_child_item.Text = " first line second line "; output will be like + first line second line

.NET

.NET3.5

treeview

How to add child node in existing node in treeview dynamically

23 Dec 2019 by Maciej Los

If you would like to add a sub-node to the node, try this: string ItemName = "MTP/2 -3-PLY"; string subitemname = "op 1"; TreeNode node = new TreeNode(ItemName); node.Nodes.Add(subitemname); treeView1.Nodes.Add(node); In case you want to add a childnode to the existing node, use this: var...

WinForms

treeview

How to add child node in existing node in treeview dynamically

23 Dec 2019 by Sabhani Vipul

in treeview one specific node already added and now i have add child node for that specific Node.then how can i added child in existing nodes? What I have tried: string ItemName = "MTP/2 -3-PLY"; TreeNode node = new TreeNode(ItemName); treeView1.Nodes.Add(node); var opname = "op 1"; TreeNode...

WinForms

treeview

How do I update old treeview code to UWP using microsoft.ui.xaml.dll treeview control

21 Nov 2019 by Member 14548718

I'm trying to update my old source code to UWP referencing Microsoft.UI.Xaml.dll TreeView control to display/replicate files and folders stored in a string[]. string[] stores the complete paths to one or more files. Example: C:\Users\User\Documents\Test1.txt C:\Users\User\Documents\Test2.txt...

How do I access alternationcount in WPF treeview?

17 Oct 2019 by Patrick Skelton

I have some data in my view-model, which looks roughly like this: public class CostItem { public string Description { get; set; } public int Quantity { get; set; } public double UnitCost { get; set; } } public class Section { public string Name { get; set; } List CostItems...

WPF

XAML

treeview

How do I access alternationcount in WPF treeview?

17 Oct 2019 by RickZeeland

Using this example: https://www.dotnetperls.com/treeview-wpf[^] I found that you can set the color of TreeView items in code behind like this: TreeViewItem item = new TreeViewItem(); item.Header = "Computer"; item.Background =...

WPF

XAML

treeview

How do I access alternationcount in WPF treeview?

16 Oct 2019 by RickZeeland

Here is an example for a Listbox, but you probably can use the same technique for a TreeView: Custom WPF ListBox with Banding and Coloring in Code[^] And here is a TreeView example: WPF 3.5 SP1 Feature: Alternating Rows – Vincent Sibal's Blog[^] Although this example seems to be standard WPF,...

WPF

XAML

treeview

Plot multilevel treeview in ASP.NET C#

14 Oct 2019 by Richard Deeming

Try this: NDA.Fill(dt); foreach (DataRow row in dt.Rows) { string tagName = Convert.ToString(row["tag_name"]); string[] parts = tagName.Split('.'); TreeNodeCollection nodes = TreeView1.Nodes; for (int i = 0; i

ASP.NET

treeview

Plot multilevel treeview in ASP.NET C#

14 Oct 2019 by Member 12694392

I am trying to plot a tree using treeview in asp.net. issue facing is i am able to compare parent node but able to compare parent1 node, it is resulting in duplicate parent1 nodes. example: if data is as follows MainNode1.Parent1.Child1, MainNode1.Parent1.Child2 and so on.... I get multiple...

ASP.NET

treeview

What is the best WPF control to display list of items separated into sections?

14 Oct 2019 by Maciej Los

You should rather read this: How to: Sort and Group Data Using a View in XAML | Microsoft Docs[^] Here is a simple example: WPF Tutorial | Data Viewing, Sorting and Filtering[^]

What is the best WPF control to display list of items separated into sections?

14 Oct 2019 by Patrick Skelton

Is there a WPF control that can (maybe with a sprinkling of code) be used to display tabular data but split into sections? Something like this:...

Plot treeview in ASP.NET C#

3 Oct 2019 by phil.o

In general, you cannot copy'n'paste some Windows Forms code into an ASP.NET project and expect it to work, because objects are not the same between both technologies. A Windows Forms TreeView is not the same as an ASP.NET TreeView, even if they have the same name. ASP.NET TreeView has a...

ASP.NET

treeview

Plot treeview in ASP.NET C#

3 Oct 2019 by Member 12694392

string[] tagdata = {"TestAlarm1.T1", "Test1.S1.S4", "TestAlarm1.T2", "test2.T1", "Test1.S1.S2.Tag1"} i have above data, i had done the same in windows application before which worked. but in ASP.net i m not able to use "ContainsKey" property. How can i solve the same in ASP?? TIA What I have...

ASP.NET

treeview

How to remove all child nodes except the Root node

23 Jul 2019 by demouser743

I would like to remove all child nodes except the Root node.Suppose if my treeview is as followsRoot|->Child |-> Child |->ChildI would like to remove all child and finally i would like to display Root with out child nodes any idea please

C#2.0

WinForms

treeview

How can I drag and drop a node in a treeview but that it will be in the node depth level ?

21 Jul 2019 by BillWoodruff

Look at what you are doing, now, when you drop during a move: int draggedLevel = draggedNode.Level; int targetLevel = targetNode.Level; int draggedindex = draggedNode.Index; int targetindex = targetNode.Index; draggedNode.Remove(); targetNode.Remove(); treeView1.Nodes.Insert(targetindex,...

WinForms

treeview

How can I drag and drop a node in a treeview but that it will be in the node depth level ?

21 Jul 2019 by chocolade

In this code I can drag and drop nodes and change the nodes places. The problem is that if I drag a child node at any depth level it will drop the node/s at the top root level 0. I need some how to keep the nodes depth level so if I'm dragging a node at depth level 3 for example so the node...

WinForms

treeview

Gridview error on initial pageload

29 May 2019 by Kamalllll

Hi Everyone, Currently my webpage displays list of emails in gridview and emails folders from treeview. However, if I change page index on Initial Page Load/First Time Load it gives me error. But If i click on any of the TreeView and then click on Gridview pagination. It does not return any...

Gridview error on initial pageload

29 May 2019 by Gerry Schmitz

Events do not always fire when you "think" they will. You cannot assume things are in a valid state when they do fire. (particularly during "start up") You cannot assume a "selected item" (node) is valid unless you check for null first, for example. string checkFolder =...

Treeview with drag and drop file upload

21 May 2019 by phil.o

asp.net treeview drag'n'drop | Google[^] Please, have a look at What are the rules to posting? | CodeProject[^] for a better usage of these forums.

treeview

Format individual treeitems javafx

16 Apr 2019 by Himani Virmani

I am unable to understand how to use setCellFactory method to format individual TreeItems.I have a classpublic class Bag {public String caption,assignment="";Boolean eval;public Set Nodes = new HashSet();public Vector ChildBags = new Vector();...

CSS

JavaFX

treeview

How do I add multi level nodes using tree view?

20 Feb 2019 by OriginalGriff

{"TestAlarm1.T1", "Test1.S1.S4", "TestAlarm1.T2", "test2.T1", "Test1.S1.S2.Tag1"} Needs to be built as "TestAlarm1" "T1" "T2" "Test1" "S1" "S4" "S2" "Tag1" "test2" "T1" So Split the string and look at the first element. Does it exist in the tree Nodes list? If...

treeview

How do I add multi level nodes using tree view?

20 Feb 2019 by Member 12694392

i am currently holding data in string array with '.' seperation. i need to plot the same data in tree view. eg. string[] tagdata = {"TestAlarm1.T1", "Test1.S1.S4", "TestAlarm1.T2", "test2.T1", "Test1.S1.S2.Tag1"}; What I have tried: i have wriiten following code, but i am getting multiple...

treeview

How do I create a treeview that reads all nodes/childnodes from active directory.

16 Feb 2019 by BillWoodruff

Note: I do not have a network to experiment with. Attached is some generic code to map a text file where the line structure reflects a tree structure with some text-delimiter repeated to indicate node level: note, this is code I wrote some time ago, and does not include robust error-checking;...

treeview

How do I create a treeview that reads all nodes/childnodes from active directory.

16 Feb 2019 by Member 3903277

Hi, I'm trying to re-create my AD-structure with treeview. I have used the example code from the user Smirnov: Active Directory Tree View Emulation | The ASP.NET Forums[^] A very good example, thank you! This is my problem: This code works for the first two levels of treeview but later it...

treeview

How to better my treeview performance during population

20 Jan 2019 by Member 12561559

I managed to get the FastTreeview class working in VB, had to make a few changes but 10 seconds to load up several hundred thousand items works a treat. I'll post an article about it along with search capabilities and checkbox items, I just need to get it working in my other grids in my project...

How to better my treeview performance during population

29 Dec 2018 by RickZeeland

You should place the beginupdate and endupdate outside the loop, see example here: Fast TreeView[^] A better approach might be the Virtual Treeview: Virtual Treeview Implementation[^]

How to better my treeview performance during population

29 Dec 2018 by Member 12561559

I have a Product-Hierarchy which pre-populates a treeview (I cannot use population on the fly due to some other features of the application - so I have to go the pre-populate route). Once I start getting several thousand entries to populate, it starts taking a long time to populate, even with a...

How to better my treeview performance during population

29 Dec 2018 by Wendelius

If I understand the situation correctly, you're fetching portions of data from the database inside the recursion. If this is the case, then that's one thing that is slowing down. If you need to populate the whole tree before usage, then try fetching all the data first and then using that...

Treenode steal focus when clicking it and set focus on richtextbox

14 Nov 2018 by Sami Jildeh

Hi all, I have a little problem while i am making my software in .NET 4.6 using WinForms. I'm trying to set focus on richtextbox after i click a treenode and keep it on it. When i run my software and click a treenode the focus did go to the richtextbox but then it return to the treeview. I...

WinForms

RichTextBox

treeview

Treenode steal focus when clicking it and set focus on richtextbox

14 Nov 2018 by OriginalGriff

I dislike the TreeView control for many reasons, but this is a new one... :sigh: You can do it, but it's a major kludge: private void myTreeView_Enter(object sender, EventArgs e) { myRichTextBox.Focus(); } Comment it well ... or you'll remove it later!

WinForms

RichTextBox

treeview

Get selected node ID from radtreeview (populated from SQL server)

8 Oct 2018 by Emad Ahmed

I have a TreeView that gets data from Sql Server Table. My code populates parent and child nodes successfully. I only want to know how to get the ID filed of the Node in a TextBox when I select any Node. the ID column name is : cabinetID Here is the code I use to populate the TreeView: public...

SQL-Server

treeview

Postorder traversal of treeview contents in C# form

13 Sep 2018 by Galarist_00

I did a Pre-Order and an In-Order as on the picture, but I don't know how to do the Post-Order in a TreeView. https://imgur.com/a/HjwLGwe#8RhzxYR I know my code looks stupid. I tried that if a number is different from the first row value of the row then it changes the color of the row, so I...

WinForms

treeview

How to remove all child nodes except the Root node

12 Sep 2018 by Member 13982644

TreeView1.Nodes[0].ChildNodes....

C#2.0

treeview

How to save treeview content into a txt file in C#

8 Sep 2018 by Galarist_00

Hi I would like to save the Tree-view content to a TXT file. What is the easiest way to save it to txt? What I have tried: treeViewIn.Nodes.ToString(); TextWriter tw = new StreamWriter(@"InOrder.txt"); IList list = treeViewIn.Nodes; for (int i = 0; i

export

treeview

How to save treeview content into a txt file in C#

8 Sep 2018 by OriginalGriff

There are two problems here: the first is that a treeview is not a "flat" display, it can have branches, and the branches can have twigs: A |\ | B | |\ | | C | D | \ | E F So a simple loop is not a practical way to access all the nodes for storage. It's a recursive data structure, so you need...

export

treeview

Change node color in treeview

22 Aug 2018 by Vincent Maverick Durano

That's because you are setting the color with a div element. Once that's been rendered in the client/browser, it will remain there. Your else block of your code will still hold the Text with the element to it. You would need to implement a bit of text parsing to resolve that. Here's a...

ASP.NET

treeview

Change node color in treeview

22 Aug 2018 by Member 12926744

Hi All, I have a treeview with nodes.I am implementing searching through treeview nodes .Once matching node is find ,the node color should be changed .it is working fine ,but the problem is while searching for a new node the previously searched node color is also changed . Any help will be...

ASP.NET

treeview

Treeview - node not expanding

26 Jul 2018 by Darryl Bryk

I assume before deleting that the tree is operating normally, expanding when it should. How are you deleting it? I use something like: pnode.Nodes[i].Remove(); where pnode is the parent node.

controls

updating

treeview

Treeview - node not expanding

26 Jul 2018 by Markus Rechberger

I have a TreeView with several nodes and if a special node (you will see in code) is deleted, the parent node should be expanded after updating the TreeView. I still need help :( What I have tried: public void Remove(){ ... ... else if ((NodeType)n.Tag == NodeType.Attribute)...

controls

updating

treeview

Treeview - forbid empty node rename

24 Jul 2018 by Markus Rechberger

I have a TreeView (using Crownwood.DotNetMagic, it should be similar to WinForms) and when the user edits a node, he should not be allowed to leave the edit mode when the text is empty. The TreeView has similar events like this treeview from WinForms What I have tried: I've tried doing this...

Treeview - forbid empty node rename

23 Jul 2018 by Gerry Schmitz

Create an "add node", delete and a "rename / replace" node function via a PF Key, button etc, and prompt for the required data to apply to the tree view / node. Your life will be simpler if you maintain "control" of the tree view maintenance process instead of guessing what the user might be...

WM_SETTEXT writes chinese letters

23 Jul 2018 by Richard Deeming

According to pinvoke.net[^], you need a MarshalAs attribute on the string parameter: [DllImport("user32.dll")] public static extern int SendMessageW( [InAttribute] System.IntPtr hWnd, int Msg, int wParam, [MarshalAs(UnmanagedType.LPWStr)] string lParam);

controls

editing

treeview

WM_SETTEXT writes chinese letters

23 Jul 2018 by Markus Rechberger

I want to set the text of my Edit Control. When I do, the new content is Chinese. For example, this: [DllImport("user32.dll")] public static extern int SendMessageW([InAttribute] System.IntPtr hWnd, int Msg, int wParam, string lParam); [DllImport("user32.dll", CharSet = CharSet.Auto,...

controls

editing

treeview

Treeview - iterate through all nodes, stop at first visible

19 Jul 2018 by Eric Lynch

The following should work: private static TreeNode FindFirstVisible(TreeNodeCollection nodes) { foreach (TreeNode node in nodes) { if (node.IsVisible) return node; TreeNode first = FindFirstVisible(node.Nodes); if (first != null) return first; } return null; }...

recursion

treeview

Treeview - iterate through all nodes, stop at first visible

19 Jul 2018 by Markus Rechberger

I'm having a mental block right now, this can't be that hard. I have a function which should get the last visible node in the TreeView. First I want to go to the first visible node and then second from there on go as long as node.IsVisible(). What I have tried: public TreeNode...

recursion

treeview

Treeview - iterate through all nodes, stop at first visible

19 Jul 2018 by Markus Rechberger

I was told in the comments that TreeView.TopNode gets me the first visible node. From there on I just iterated through the list as long as node.IsVisible and node != null. public TreeNode GetLastVisibleNode() { TreeNode node = treeControl1.TopNode; TreeNode...

recursion

treeview

Treeview - iterate through all nodes, stop at first visible

19 Jul 2018 by Markus Rechberger

public TreeNode GetLastVisibleNode() { return treeControl1.Nodes.Cast().Select(GetLastVisibleNode). LastOrDefault(first => first != null); } TreeNode GetLastVisibleNode(TreeNode parentNode) => parentNode.IsVisible ...

recursion

treeview

Winforms treeview - how can I use ctrl+c for copying the text of a node?

18 Jul 2018 by Markus Rechberger

I noticed that when pressing Ctrl+C in the edit mode it uses the normal Ctrl+C handler for entire nodes but "fails" there at an if condition which checks if the correct thing (=node) was selected. I simply added an else to this which then copies the selected value to the clipboard and it works...

copy-paste

treeview

Winforms treeview - how can I use ctrl+c for copying the text of a node?

18 Jul 2018 by Markus Rechberger

I'm currently running into a problem: I have a MultiSelectTreeView and I can modify the text on the node by double-clicking it (but leaving some time in between) like in normal Windows when you want to rename a file. And now when I am in this name modification section where the text is...

copy-paste

treeview

[C#] WPF checkbox treeview with templateselector

26 Jun 2018 by Member 13725613

Hi all, since a while im using the TreeViews with Checkboxes in WPF. I found a good solution here on this page: tps://www.codeproject.com/Articles/28306/Working-with-Checkboxes-in-the-WPF-TreeView However, I have problems to bring in a TemplateSelector correct into this code. I just want...

Change Text of a Tree Node in treeview c# win. form

11 Jun 2018 by pickwickkim

Also, the node must be updated after Label change as: // Stop editing without canceling the label change. e.Node.EndEdit(false); //now, update node by Text (this also changes node.fullpath) e.Node.Text = e.Label; See MS site, too, below. TreeNode.EndEdit(Boolean) Method...

treeview

How to display (parent + child) elements content in tree-view in WPF

7 May 2018 by maheshreddy0635

i want in tree view like -21...

XML

WPF

treeview

Is there a way to save a treeview of data as an XML file in Python ?

18 Apr 2018 by Boukhalfa Lim

Hello, I'm building an small desktop mobile testing application with Python, using PyQt5 Library for GUI design. I want to know if there is a way to save a TreeView of data into an XML file, to parse it and get the data from it, or vice-versa (get data from XML file and insert the into the...

Using expander in treeview

22 Mar 2018 by Clifford Nelson

You can use the VisualTreeHelper: private static IEnumerable FindVisualChildren(DependencyObject root) where T : DependencyObject { if (root != null) for (int i = 0; i

WPF

treeview

Using expander in treeview

22 Mar 2018 by Member 12658724

Basically I need something with expander control. I have a main expander. Under it it has many sections. What I want is to put the sections in a treeview. Each section also has its own expander. The main expander controls all. Which means if it collapses, all sections should be collapsed, vice...

WPF

treeview

How do I display the value of an XML node and a child node in the same level of a WPF treeview?

1 Mar 2018 by patrick.harkin

I have an application which manages audio recordings. In theory, new recording of "My Series" go in a folder "\\Library\My Series" but there are two complications. Firstly, new recordings may come to me with alternate names; for example "Macbeth" might become "William Shakespeare's Macbeth"....

How do I display the value of an XML node and a child node in the same level of a WPF treeview?

1 Mar 2018 by patrick.harkin

I've written a Converter which accepts the current node and returns the text of the seriestitle child node. I haven't written the Convertback yet though! public class seriesTitleConverter : IValueConverter { public Object Convert(object value, Type targetType, object parameter,...

Treeview in another form in VB.NET

23 Feb 2018 by ZurdoDev

You would do it the same exact way you did it on form1.

treeview

Treeview in another form in VB.NET

23 Feb 2018 by Member 13669246

what is the code for to display the treeview output in another form in vb.net? What I have tried: I created treeview in form1.Now I want to display that treeview in form2.How to do that in vb.net?

treeview

Advanced WPF TreeViews in C#/VB.Net Part 4 of n

22 Dec 2017 by Dirk Bahle

Tips & Tricks on loading and saving WPF Tree View based content.

Advanced WPF TreeView with Multi-Level Binding (Code Behind - No XAML!)

21 Dec 2017 by Peter Sun (247)

Demonstrate how to create WPF TrewView with multiple levels of HierarchicalDataTemplate from C# code-behind without XAML using MVVM for data binding

What type of list<> should I use to hold data in a winforms treeview?

20 Dec 2017 by ________________

Be object-oriented: public class MyClass { public List MyChildren { get; set; } public MyClass MyParent { get; set; } } Fill this virtual tree from DB , than simple recursive function can show it in TreeView: using System; using System.Collections.Generic; using...

SQL

WinForms

treeview

What type of list<> should I use to hold data in a winforms treeview?

10 Dec 2017 by User98743

I have a DBObj class, which holds SQL Server and MS Access database information, such as database name, server, path and id. I have a TreeView control, whereby the text label of each TreeView is the name of the database. I would like to made one db call, which populates a List, but I...

SQL

WinForms

treeview

Advanced WPF TreeViews in C#/VB.Net Part 3 of n

8 Dec 2017 by Dirk Bahle, Alaa Ben Fatma

Tips & tricks on visting and searching nodes in WPF TreeViews

How to create N level of treeview from database in ASP.NET

19 Nov 2017 by Vikram Motwani

Check solution here Treeview - How to create N Level Of TreeView from database in asp.net

SQL

ASP.NET

treeview

Wpf: treeview not updating during xmlnode to treeviewitem conversion

28 Oct 2017 by MrutyunjayS

I am new to C# and VS and am trying to convert XmlNode to TreeViewItem and reflect the changes into TreeView in a recursive manner but TreeView is not updated/ not showing the nodes. Below is my TreeView.xaml code:

XAML

treeview

Wpf: treeview not updating during xmlnode to treeviewitem conversion

28 Oct 2017 by MrutyunjayS

Found the correction. Thanks for the comments. newTreeViewItem.Header = ("dummy"); //newTreeViewItem.Items.Add("dummy");

XAML

treeview