Forms :: TreeView - Any Way To Select Node With Right Click?
Nov 19, 2009
I have been working with VB 6.0 for years. I am converting an app that uses treeviews to VB.Net 2008. The way it use to work the tree grid started with a list of the drives on the system. Left click drilled down in the selected drive or directory. Right click would perform an action with the selected drive or directory. In VB.Net it appears you can only select with left click using the AFTERSELECT event. Is there a way to select a node with right click?
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Aug 31, 2011
Why I right click on a node in my treeview the focus moves to this node and then immediately back to the previously selected node. Is there some way that I can allow the right click to select the node?
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Mar 23, 2010
I have been playing with, and researching, this all day and can't figure it out. I have a Windows Explorer style form with a TreeView and a ListView. I've populated the TreeView with directories and when a node is selected, the ListView fills with the contents of the directory associated with that node. No problem there, but I want to be able to select a directory in the ListView and automatically select the associated node in the TreeView, just like it works in Windows Explorer. All the information I've found online tells me how to populate the ListView from the TreeView, but I haven't found any good examples of how to populate the TreeView from the ListView.
[Code]...
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Feb 12, 2011
I'm Trying to select node on treeview with:
Try
Dim nodes As TreeNode() = TreeView1.Nodes.Find("Test", True)
Dim node As TreeNode
For Each node In nodes
TreeView1.Focus()
TreeView1.SelectedNode = node
Next
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
As you can see I'm trying to select the node "test" which is also sub-node. But I get no error nor a selected node.
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Jul 30, 2009
I would like to select a default node in a treeview(dirDB). That comes from a default drive selected in a combobox(drvDB) that selects files and puts them in a listbox(filDB) i haven't added anything to do that yet. at the moment i have this code:
If optMData.Checked Then
drvDB.SelectedValue() = "M:"
dirDB.SelectedNode.Text = Microsoft.VisualBasic.Left(CStr(drvDB.SelectedItem), 2) & "ase_wdata"
End If
I bet there is a function or a selectNode If kindof thing? i am totally looking over that can choose these. vb seems very good at putting things right infront of me and i just completely miss them..
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Jun 27, 2009
I want to add nodes that behave in a similar fashion as when you add new folders in windows explorer. i.e. right click > new folder > then the new folder is added and highlighted as New Folder so that as soon as the user types they are overwriting the folder name.
I can add a new node as a child node of the node I have selected and label it "New Node" but I can't figure out how to select the new node and have it highlighted so that when the user types, they are overwriting the "New Node" text.
I have tried this but it doesn't work.
Private Sub AddProjectToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AddProjectToolStripMenuItem.Click
Me.trvProjects.SelectedNode.Nodes.Add("New Node")
Me.trvProjects.SelectedNode = trvProjects.Nodes("New Node")
Me.trvProjects.Focus()
End Sub
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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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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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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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Feb 5, 2012
I'm using the following sub routines to allow the user to move treeview nodes up/down:
Public Sub MoveNodeUp(ByVal Nod As TreeNode)
Try
If Not (Nod.PrevNode Is Nothing) Then
Nod.Parent.Nodes.Insert(Nod.Index - 1, CType(Nod.Clone, TreeNode))
Nod.Remove()
[Code]...
Is there a simple way to keep the moved node selected after the move?
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Jun 5, 2009
for some reason I have to click a node in a treeview twice for it to register as selected. I've checked with treenode.isselected() and treeview.selectednode() and with both two clicks is required to show the selected node (1 click continues showing the previously selected node as selected) while the visual highlight/selection works perfectly with 1 click. Any suggestions on what may be wrong/how it could be fixed? (The node selection code is in the nodeclick event)
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Apr 30, 2009
How to set focus on a treeview node when i right click the mouse?[code]...
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Mar 11, 2010
I have a webbrowser control & a treeview control...once I load a website I create a HTML DOM tree representation of the website using the code below...What I want to do now, is the following:mouse over any HTML element, which will then select the corresponding tree node on the HTML DOM Tree select any tree node and have the corresponding HTML element highlight, with a red border around it?
Private Sub UpdateDOM(ByVal HTMLDocument As mshtml.IHTMLDocument3)
TreeView1.Nodes.Clear()
TreeView1.BeginUpdate()
[code].....
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Feb 11, 2012
I have TreeView Populating from Database And I am Trying to detect the user action on treeview to make some decision that whether user has clicked on Parent node or Child node or child of a child node.Please any one help me to do this that how can i detect the user action on treeview
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Mar 11, 2010
Is there any way not make a Treeview (windows forms) Node gray it something exactly like how a particular folder turns into when we click on Ctrl+X on a folder in windows explorer. I tried with changing the backcolor but that not is like exactly I want.
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Apr 2, 2009
I'm developing a windows application. I have a form in which there is a list box and a treeview control. My purpose is to fill treeview according to list item clicks. This is done using a pair of subroutines called ReloadPermissions and FillMenuItem:
Private Sub ReloadPermissions()
Dim p As New Permissions
Dim i As Integer
Dim it As TreeNode
Dim el As New List(Of String)
[Code]...
There are only two subroutines in which nodes are added to treeview control, and they are subroutines above. The problem is that whenever list item is clicked, node count displayed in treeview is increased!!! I checked number of nodes before and after call to tvPermissions.Nodes.Clear() using MsgBox. Results show that number of nodes isn't increased (1 before call, 0 after call, again 1 after ReloadPermissions() is called), but what is displayed doesn't show such a behavior! Refreshing window by putting it under other windows or call to tvPermissions.Refresh() has no effect.
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Jan 9, 2012
I am trying to insert spaces between Images and check boxes on a treeview node, in a windows form app i.e. checkbox (spaces) image (spaces) node text rather than default format checkbox Image node text
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Aug 22, 2009
I am trying to make it so when someone clicks on an item from a treeview it will show lets say and image. And when they click on another it will show lets say a button. How do I do this?
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Nov 26, 2011
i have a treeview which has a bunch of parent and child nodes preset at design time, there is 1 parent node tho which is called developer, that i want to add child nodes to at runtime.When the form first loads im trying to have it check a text file and for each line in the text file add the text/string from that as a child node tot he 'developer' parent node.
vb
Dim reader As String = My.Computer.FileSystem.ReadAllText(Application.StartupPath() & "ConfigDevs.txt")
Dim strs() As String = Split(reader, Environment.NewLine)
For Each s As String In strs
[code]....
Thats what i have so far, how can i set it so 'Dim parentNode As TreeNode = ' points at the 'Developer' node?
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Jun 27, 2011
I am building a treeview and everything works fine.
Now, I want to know how I can select multiple nodes by holding the "Ctrl" button and click on the desired node.
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Feb 3, 2009
I've got a right-click menu that comes up in a treeview - with an option to ADD to that parent node or delete a child node.
Currently I'm using the SELECTEDNODE - but what I really want to do is change the "selected node" when the right-click occurs. But I'm having a hard time seeing how to do that...
How do you use this event properly??
Private Sub CapabilitiesTreeView_MouseClick(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles CapabilitiesTreeView.MouseClick
Me.CapabilitiesTreeView.SelectedNode =
End Sub
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Nov 12, 2009
i got treeview with some root, parent and leaf node but when i create a foreach loop it alway read the 1st value with is 4
For Each node As TreeNode In Me.TreeView1.Nodes
'Label1.Text += node.Text & "</br>"
If (Not node.Checked) AndAlso (node.Value = module_id) Then
[code].....
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Jun 9, 2010
I have an application where I'm allowing the user to edit the text of a treeview node. Is it possible to "lock" portions of the node's text to keep it from being edited?
For instance, if the text is "BK01" originally, can I keep the user from editing the "BK" prefix?
I currently validate the user's input when they are finished editing, but I'd like to keep them from entering incorrect information to begin with.
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Apr 1, 2012
How to add a child node to a specific node in treeview?
Say i have "Item1" in treeview already, How do i add "SubItem1" to "Item1" as it's child node?
I know its probably really simple, but i tried lots of stuff, i just cant get it working.
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Apr 25, 2009
Is it possible to remove a node from the treeview identifying it by the node's tag? if so how?
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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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Nov 1, 2011
My XML comes in like this:
<Document type="ContentPage">
<Fields>
<Field name="FaqCategory" type="dropdown" title="Select Category:" index="FaqCategory"
[code]....
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Jul 19, 2009
I have a treeview which have a listimage. And it has imageselectindex property (image is yellow ball)My problem is : When i click any node, the image of that node shows imageselectindex . I only want thirth child node will show it. I dont want when i click at first node (rootnode) or child of roodnode , the yellow ballon shows.
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Jan 17, 2011
[Code]...
there is one problem here the root node on the line "GetDirectories(info.GetDirectories(0, rootNode))" here is the error "Error 1 Value of type 'System.Windows.Forms.TreeNode' cannot be converted to 'System.IO.SearchOption'."
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Mar 30, 2012
I want to add key while adding node to the treeview but I don't see key property in the treenode. I am using following code
objAddSubFolders = New TreeNode
objAddSubFolders.Text = arrListDisplayFolders(intCountSubFolders)
objAddSubFolders.Name = arrListDisplayFolders(intCountSubFolders)
objParentNode.Nodes.Add(objAddSubFolders)
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