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by: Joe |
last post by:
I'm loading a TreeView with ~8900 root nodes and only a couple of child
nodes giving a total of 8910 nodes.
It takes several seconds for the tree to display. The method that populates
the tree returns in < .5 seconds.
Populating the tree in the Load event takes even longer than clicking a
button after the screen has been loaded.
try
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by: pmcguire |
last post by:
I have a treeview with a lot of nodes. I want to load only the nodes that are initially visible when the form loads, and then continue to populate it in background and/or when the nodes are required by the user either scrolling or performing some other action that would move the treeview window to a particular "unloaded" node in the treeview
Any advice on how to go about this? It seems I need a way of sensing a scroll event in the treeview...
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by: vsiat |
last post by:
I am trying to create a treeview out of a database table
with the typical structure ID, NAME, PARENTID, TYPE,
EXTRA_INFO, where is linked to the .
What I want to achieve is create a tree made of custom,
extended nodes, which include all the extra information
contained in the table and not just typical TreeNode
objects.
To do that, I first created a structure with all the extra
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by: p3t3r |
last post by:
I have a treeview sourced from a SiteMap. I want to use 2 different CSS
styles for the root level nodes. The topmost root node should not have a top
border, all the other root nodes should have a top border.
Is it possible to have more than 1 style at the same level (parent node)
when using a SiteMap?
I want it to appear something like this and I can only find a way to either
have the border on all root nodes or none at all. In...
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by: tman |
last post by:
I am generating a very large tree list in my program and while it's
performance is great once loaded it takes a really long time to load.
I create a root TreeNode "offline" and go through the process of
creating building up the tree from there. Only when I am done do I go
over to the actual TreeView object on my form and add the my root to
the TreeView. This sinlge step when I add my constructed root node to
the form's TreeView control...
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by: apenly |
last post by:
Hi all-
I'm trying to Render a TreeView in a custom control, but I'm receiving
a NullReferenceException at runtime. If I put the TreeView on the page
it works fine, but as soon as I try to render it within my control it
crashes and burns. I've even tried placing it within another control
(a PlaceHolder) and tried to render the PlaceHolder to no avail. Any
ideas on how to fix this problem?
Here's my code:
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by: serge calderara |
last post by:
Dear all,
I was wondering is there is a way to customise the treView control in order
to get any Control as a Node. What I try to do is having a Progress bar as a
treeview node object.
Is that possible ?
regards
serge
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by: casManG |
last post by:
I am working on a small project that uses the treeview control in
vb.net 2003. I have a tree view that I am sending to a sub in order to
iterate through the nodes.
Public Sub test (ByVal inTreeView as Tree View)
But, the thing I want to do with the inTreeView requires me to expand
all the nodes before I iterate. The problem is that when the sub is
complete, the original tree view on my form ends up with all of the
nodes expanded I had...
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by: John Rogers |
last post by:
This code only counts the parent nodes or rootnodes in a treeview,
how do you count all the nodes in a treeview?
// one way
int NodeCounter = 0;
foreach (TreeNode currentNode in TreeView1.Nodes)
NodeCounter++;
// other way
int total = TreeView1.Nodes.Count;
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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