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How to add items of a TListBox as sub-items to a selected tree node Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
27-Aug-02
Category
VCL-General
Language
Delphi 2.x
Views
112
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Tomas Rutkauskas

I have TreeView1, Button1 and ListBox1. ListBox one has x number of items. I need 
to be able to click Button1 and the items in ListBox1 are inserted as sub-items to 
the selected tree-node.

Answer:

1   var
2     ix: integer;
3     parentnode: TTreeNode;
4   
5     TreeView.Items.BeginUpdate;
6   try
7     parentnode := TreeView.FocusedNode;
8     for ix := 0 to ListBox1.Items.Count - 1 do
9     begin
10      if parentnode = nil then
11        Tree.Items.Add(nil, ListBox1[ix])
12      else
13        Tree.Items.AddChild(parentnode, ListBox1[ix]);
14    end;
15  finally
16    TreeView.Items.EndUpdate;
17  end;


			
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