procedure TForm1.Button1Click(Sender: TObject); var MyTreeNode1, MyTreeNode2: TTreeNode; begin with TreeView1.Items do begin Clear; { remove any existing nodes } MyTreeNode1 := Add(nil, 'RootTreeNode1'); { Add a root node } { Add a child node to the node just added } AddChild(MyTreeNode1,'ChildNode1'); AddChild(MyTreeNode1,'ChildNode1') ; {Add another root node} MyTreeNode2 := Add(MyTreeNode1, 'RootTreeNode2'); {Give MyTreeNode2 to a child } AddChild(MyTreeNode2,'ChildNode2'); {Change MyTreeNode2 to ChildNode2 } { and add a child node to it} MyTreeNode2 := TreeView1.Items[3]; AddChild(MyTreeNode2,'ChildNode2a'); {Add another child to ChildNode2, after ChildNode2a } Add(MyTreeNode2,'ChildNode2b'); {add another root node} Add(MyTreeNode1, 'RootTreeNode3'); end;end;procedure TForm1.Button2Click(Sender: TObject); begin TreeView1.SaveToFile('d:\wudi.txt'); end;
var
MyTreeNode1, MyTreeNode2: TTreeNode;
begin
with TreeView1.Items do
begin
Clear; { remove any existing nodes }
MyTreeNode1 := Add(nil, 'RootTreeNode1'); { Add a root node }
{ Add a child node to the node just added }
AddChild(MyTreeNode1,'ChildNode1');
AddChild(MyTreeNode1,'ChildNode1') ; {Add another root node}
MyTreeNode2 := Add(MyTreeNode1, 'RootTreeNode2');
{Give MyTreeNode2 to a child }
AddChild(MyTreeNode2,'ChildNode2'); {Change MyTreeNode2 to ChildNode2 }
{ and add a child node to it}
MyTreeNode2 := TreeView1.Items[3];
AddChild(MyTreeNode2,'ChildNode2a'); {Add another child to ChildNode2, after ChildNode2a }
Add(MyTreeNode2,'ChildNode2b'); {add another root node}
Add(MyTreeNode1, 'RootTreeNode3');
end;end;procedure TForm1.Button2Click(Sender: TObject);
begin
TreeView1.SaveToFile('d:\wudi.txt');
end;