Hello all,

I am having a nightmare time with this TTreeView control!

I have a TTreeView object which i plan to populate during run time. Problem is
that every node might have children nodes. These children nodes are then
populated with other children  through a doubclick event, which runs a query.

I need method to store a single integer, invisibly, in a tree node basically.
I tried using  ItemID : HTreeItem of TTreeNode to uniqley id each node, but
the compiler doesn't like HTreeItem.

ARGHHHHHHHHHH!!!!!!!!!!!

Any help would be greatly appreciated.

And many thanks.

PS. Please CC to Azi...@gto.net.om as I have a slow Usenet connection (what
else can go wrong!!).

        Dave

P.S.
        Use the OnDeleted event to free the Node.Data object when the tree is
destroyed or a node is deleted.

Use something similar to following:

interface
.
.
  type

  TNodeData = class
    MyNodeId : integer;
    SomeOtherInfo : string;
    .
    .
  end;
.
.
implementation

procedure addnode(stringval: string; myid: integer; other: string);
var
   newdata: TNodeData;
   newnode: TTreeNode;
begin
   newdata:=TNodeData.create;
   newdata.MyNodeId:=myid;
   newdata.SomeOtherInfo:=other;
   newnode:=TreeView1.items.addchild(TreeView1.selected,stringval);
   newnode.data:=newdata;

  {
      Be sure to free all 'newdata' objects when you are finished with
      TreeView1 or delete one of it's nodes.  

      To access the contents of 'newdata' use the following:

      ContentsOfMyNodeId:=TNodeData(newnode.data).MyNodeId;
  }
end

Nazar Aziz <azi...@gto.net.om> wrote in article
<5i6gqn$...@lana.zippo.com>...

Try using the AddObject and InsertObject methos of TTreeView's Items
(which is of type TTreeNodes) with an object containg the desired
integer value.

Hope this helps.

Oran

For every node there is a pointer available in which you can store
everything you like.

Timo

Nazar Aziz <azi...@gto.net.om> schreef in artikel
<5i6gqn$...@lana.zippo.com>...