VS 2005 : Working With A Treeview?

Jan 13, 2010

I have a folder named "Root" in my d: drive.The "Root" folder contains two folders namely "Child1" and "Child2".The "Child1" again contains a folder named "Sub-Child1".The "Child2" again contains a folder named "Sub-Child1".I want to do a code in such a way that i can show the folder names in a Treeview.

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Checked TreeView Control Not Working

Aug 18, 2009

I have a treeview control with check boxes. when I check the parent node, all the children check too. The problem is, I want the parent check box to automatically uncheck if one of the children is unchecked.

Private Sub TV_Communities_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles TV_Communities.Click
For i = 0 To TV_Communities.Nodes(0).Nodes.Count - 1
If Not TV_Communities.Nodes(0).Nodes.Item(i).Checked Then
TV_Communities.Nodes.Item(0).Parent.Checked =
False
End If
Next
End Sub
davidbell

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TreeView DragDrop Not Working In Citrix?

Dec 10, 2009

I have a treeview dragdrop event written in VS2003. It works perfectly fine when the application is running on desktop, until we move the application to Citrix. So, users are now running it off from Citrix, the DragDrop event doesn't work anymore. It doesn't even have the effects of allowing dropping.

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Treeview Node Indexof() Not Working?

Sep 29, 2009

I have created an object hierarchy with nested generic listof() structures. I have created a treeview to match and graphically show the structure. I needed a way to show a property box of an object represented by the selected node on the treeview. So, I gave each of my objects a NodeIndex property, in which I would store the treeview.indexof(node) result, as shown below:

For Each oObject In oJob.ObjectListOfCollection
tnode = New TreeNode(oObject.Name)
Treeview.Nodes.Add(tnode)

[code].....

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HotTracking In TreeView Is Not Working With Drag&Drop

Sep 14, 2011

I have a simple TreeView with HotTracking Property set to True. It works when I move the mouse over an item. But it doesn't work when I use Drag&Drop and Drag something over a TreeView Item. Is there a way to use the HotTracking with DragDrop? Or any workarounds?

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Load Favorites Into TreeView From XML Document Not Working?

Dec 21, 2009

I was making a treeview favorites for my browser and got this code, however, nothing happens on startup, like the treeview stays emty

Heres the code for the Load handler
If System.IO.File.Exists(FavFile) Then
Dim xdoc As New Xml.XmlDocument

[Code].....

the exact same code works for the orginal project, and I have the same xml document in the same subfolders for my project

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Treeview Node Backcolor To Black - Hiding Text Not Working

May 31, 2010

In Treeview control, I have made particular node backcolor as black to hide text. But it does not work properly. On click of that particular node, it displays text eventhough when I set BackColor as Black. Is there anyway to hide the text in Scenario also. I don't want to actually remove the text from that node as I have done lot of coding by checking node text.

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VS 2008 - Checkbox On Treeview - Collapse And Expand Treeview When Click Plus Sign (+) On Treeview

May 14, 2011

I have a problems with my application..

1. collapse and expand treeview when i click plus sign (+) on treeview, treeview didn't expand subfolder but when i click image, treeview expand it.

2. showing path that i check on treeview when i check the treeview then i'm click the button, then return path that i check

This is my code..

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VS 2005 Add A Node To Treeview?

Mar 23, 2010

I can't work out how to add nodes to a treeview as a child of a particular identified node.

The treeview.nodes.add function has seven overloaded definitions each of which seem to add it as a child of the root node. I can't find a way to specify the parent.

I've found this article which gives an example

TreeView1.Nodes.Add , , "root", "Root Item"
TreeView1.Nodes.Add "root", tvwChild, "child1_root", "Child1 of Root"
TreeView1.Nodes.Add "root", tvwChild, "child2_root", "Child2 of Root"
TreeView1.Nodes.Add "child1_root", tvwChild, "child1_child1", "Child1 of
Child1"

I've seen several similar articles with the same format. However this doesn't work. I get compilation errors. It doesn't match any of the function definitions, and tvwChild is not recognised as a constant.

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VS 2005 TreeView Images

May 9, 2009

I've added 48*48 size icons to my application's treeview but they look s**t. With the default font settings what size images should I be using?

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VS 2005 Connect Database To A Treeview

Dec 24, 2009

I would like to connect my database to a treeview. Here is my code so far. It is connecting BUT i have problem. SEE the image below

[Code]...

The image below is showing my problem. The Groups are all shown. I would like to see 2A , 3A, 4A ...(so only ONE 2A) .and so on... and then click on the node to open with all the students in that group...

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VS 2005 Treeview Moving Tag To Listbox?

Mar 18, 2009

so here is what I got so far. I have a treeview with multiple states as parent nodes. then as child nodes I have certain cities. as for my code - I have it set up that if I check the parent node, all children nodes will be checked. I also have code that moves the tags to listbox. the only items that have tags are the children. the code that I have works if I have tags set for the states, but I dont want to have parent tags move to the listbox. how can I change the code I have or rewrite my code to get ONLY children tags in the listbox even if the parents are checked??? hope this makes sense. here is my code

CHECKS ALL CHILD BOXES IF PARENT BOX IS CHECKED

VB
Private Sub TreeView1_BeforeCheck(ByVal sender As Object, _
ByVal e As System.Windows.Forms.TreeViewCancelEventArgs) Handles TreeView1.BeforeCheck

[Code].....

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VS 2005 TreeView Node Right Click

May 16, 2009

Is it possible to have a script which will enable me to right click on a node in my treeview which will bring up a menu similar to when you right click on this page but with my own options on it?

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[2005] How To Populate A Treeview From A Dataset

Feb 20, 2009

I'm having a little trouble figuring how to do this.I have a dataset with a single table. Each row has the following fields ProductName, Version, CompanyName

The data might look like this

Visual Studio, 2005, Microsoft
Visual Studio, 2008, Microsoft
Office, 2007, Microsoft

I have already populated the TreeView with a list of Company names from a separate table. Now, what I want to do is to loop through my dataset adding a single node for each product under the appropriate manufacturer. Then under each product adding a separate node for each version of that product.

[Code]...

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VS 2005 : Treeview Check Children Code?

May 11, 2010

To set the checked state of the child node to its parents node i used this code.

mycode
vb
Private Sub CustomerFields_AfterCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles CustomerFields.AfterCheck

[code]....

I also found the following code on msdn. Whats the difference b/w the two. Both of them works

vb
Private Sub CheckAllChildNodes(treeNode As TreeNode, nodeChecked As Boolean)
Dim node As TreeNode
For Each node In treeNode.Nodes

[code]....

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VS 2005 Drag And Drop From TreeView To Textbox?

Sep 3, 2010

vb
Private Sub SystemFields_ItemDrag(ByVal sender As Object, ByVal e As System.Windows.Forms.ItemDragEventArgs) Handles SystemFields.ItemDrag

[code].....

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VS 2005 Treeview - Creating Nodes And Storing A Key Value?

Apr 29, 2009

I want to create a simple treeview from a database table. It is going to be recursive and I want for each item to show the description and in the background of each item hold a key value. Then when the user selects a node I can use that key value to select the data.

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VS 2005 Treeview Parent Node Checked

Apr 3, 2009

How do I check a parent node when I check one of it's child nodes??? I've googled this and searched on these forums but nothing...

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VS 2005 TreeView Select Node And All Children

Jul 3, 2009

I have a TreeView populated with some nodes, and some of those nodes have children. Is it possible that when the node, or child is selected that the entire node including the children be selected? I still want to deal only with the value of the root node, but for the UI I want the root + children to be selected.

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VS 2005 Treeview Selected Background Colour

Jul 27, 2011

I have a treeview and if I click on another control the hightlight disappears so I set the HideSelection to false and now the highlight row changes to a really light gray. Is there a way to have it still as dark blue. The reason being is because the user is clicking on a row in a grid and dropping it on the treeview and I need it to be clear that it will add it to the selected node which needs to be clear.

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VS 2005 Way Of Populating A Treeview From Active Directory

Apr 1, 2009

Does anyone know if there is a way of populating a treeview from active directory so that it can do the following:Loads a list of servers --> Double Click the Server(Expand) --> Then i can select users --> then the department they are in --> then select the user so i can manage the user. i.e change there password[code]

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[2005] Populate A TreeView Control With A List Of All Of The OU's

Jan 23, 2009

I am trying to populate a TreeView control with a list of all of the OU's that have Computer members in them. I want to populate a treeview list including the OU and the Computer members underneath of those OU's. I tried searching and so far I have found nothing. Here is the code I have so far....

[Code]...

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VS 2005 Populate Data In Treeview Using Datasets And Then Filter It?

Apr 27, 2010

I am successful in populating data to a treeview from 3 tables (Constituents, epresentations, Letters) from a sql database. The below code works fine for that

Dim constda As New SqlDataAdapter("SELECT * FROM Constituents", conn)
Dim repsda As New SqlDataAdapter("SELECT * FROM Representations", conn)
Dim lettsda As New SqlDataAdapter("SELECT * FROM Letters", conn)

[code].....

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VS 2005 TreeView ID - Select A Node From My Tree View

Mar 28, 2009

I want to select a node from my tree view, whatever I select is going to get a record from my database, I need a unique ID in each node so it will collect the correct document relating to the selected node.

How can I do this? the name of the node maybe used more than once? Each row in my database has an ID and Title, the title is the name I guess the ID being unique needs to be tied in somehow.

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VS 2005 - Displaying Image In Front Of A Nodes Caption Of A Treeview

Jan 12, 2010

Displaying an image in front of a node's caption of a treeview. i have an imagelist that contains of images and a treeview containing of nodes. I have also assigned the name of the ImageList control to the ImageList property of the TreeView control, as you can see in the following code. here is the structure of my treeview: Code: even i know that by using the image index and the selected index property i can display the images in front of the node caption of a treeview but i cant do it properly and having a few confusions.

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[2005] Treeview & SHGetFileInfo - Display Each File / Folders Associated Icon

Mar 13, 2007

I have a treeview, it lists all folders and subfolders and files within each folder. Now, I want to display each file / folders associated icon. I am using the SHGetFileInfo API, it works sort of, what I mean by sort of is, that my treeview doesn't update after each folder / file. Sometimes it keeps giving me the Recycle Bin's icon at different folders.

[Code]...

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VS 2005 Work On A Treeview To Preform A Task On The Event That A Node It Clicked?

Mar 29, 2009

How can I work on a treeview to preform a task on the event that a node it clicked?

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Right-Click Not Working In VB 2005?

Apr 25, 2011

I should mention I am developing this in SharpDevelop, so if it's a bug with this software then I'll take this up with them.

So I am having issues with trying to get a right-mouse click to work. I have a grid of 30 buttons and I need to right-click to enable a button and left-click disable. I have surfed all over the internet trying to find the answer and the closest I have come to it is it detecting a left-click, but never right.

Sub Button1Click(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Button1.Click
DataGridView1.CurrentCell = datagridview1.Rows(0).Cells(0)

[Code]......

As you can understand, I am having a lot of frustration with this. It just seems that I can't get it to work. I've scoured the internet looking for a solution without avail.

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VS 2005 - Zip Compression Not Working

Aug 14, 2009

I'm trying to compress a file in .NET, but having some trouble. The zip file is created, but it's only 1KB and no files are within the zip file. Basically, it's not working for some reason and I'm not sure why.

Public Sub CompressFile(ByVal fileName As String)
Dim strOutput As Stream = File.Create("zippedFile.zip")
Try
Using (strOutput)
Dim strInput As Stream = File.OpenRead(fileName)
Using (strInput)
[Code] .....

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VS 2005 : Working With The Excel?

Jan 18, 2010

how to operate onthe excel in vb.net......such as Create an Excel 2003 file in VB.NET 2005,Open and Edit Cells in an Excel 2003 file in VB.NET,Format Excel 2003 Page in VB.NET ,How to export from database to excel,How to export from DataGridView to excel,etc.i know the structure a file excel.It contains 3 main component.

1. Application which can modify and operate cells .

2. Work book , is child of Application and contains worksheet.

3. worksheet is child of Work book and contain columns and rows.

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