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procedure TForm1.Button1Click(Sender: TObject);
var
node:TTreeNode;
begin
node := GetNodeByStr(Edit1.Text);
if node = nil then Exit;
node.Focused := True;
end;
function TForm1.GetNodeByStr(s: string): TTreeNode;
var
i:integer;
begin
Result := nil;
for i := 0 to TreeView1.Items.Count - 1 do
begin
if TreeView1.Items[i].Text = s then
begin
Result := TreeView1.Items[i];
Break;
end;
end;
end;