We help IT Professionals succeed at work.

Delphi TTreeView Reading Nodes/SubNodes

jamerslong asked
Last Modified: 2013-11-23
I Need some help, I cant find info on this and I could use Assistence.

I have a Treeview that holds User Selectable information.

It Looks Like So

      Cough Syrup
      Stool Softener
Drinks                         <---if a user clicks this
      Soda                          <--Then Add this
      Tea                            <--this
      Pop                            <--and this Text to a ListBox

I Need 2 things
If a user Clicks a Level 0 (Medicine, Drinks) Then Read All of the Subnodes from that Node To a ListBox.
If the User Clicks a Level 1 Node (soda, pop, tea, Stool Softener, Ect.), Read the Label of only that Child Node.

It sounds Simple... but I cant seem to get it figured out :( IT was a pain to use a Listview as well.
Watch Question

let say your trivew called as TreeView1. Then

  Node: TTreeNode;
  Child: TTreeNode;
  Node := TreeView1.Selected;
  if Assigned(Node) then
    if Node.HasChildren then begin
      // If it has child nodes then it is Node[0] in your sample
      // Enum its child nodes
      Child = Node.GetFirstChild;
      while Assigned(Child) do begin
         Child := Node.GetNextChild(Child);
   end else
      // We are here if node has no child node so simple add its text
This one is on us!
(Get your first solution completely free - no credit card required)


Beautiful, Thanks a bunch....

Gain unlimited access to on-demand training courses with an Experts Exchange subscription.

Get Access
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Empower Your Career
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE

Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Unlock the solution to this question.
Join our community and discover your potential

Experts Exchange is the only place where you can interact directly with leading experts in the technology field. Become a member today and access the collective knowledge of thousands of technology experts.

*This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.


Please enter a first name

Please enter a last name

8+ characters (letters, numbers, and a symbol)

By clicking, you agree to the Terms of Use and Privacy Policy.