Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

Example: Column.OnGetDisplayText

The following sample uses the OnGetDisplayText event. The event handler changes the category value of group nodes.

procedure <Form>.<Column>GetDisplayText(Sender: TcxTreeListColumn;
  ANode: TcxTreeListNode; var Value: String);
begin
  if ANode.IsGroupNode then
// adding the number of the first level child nodes
    Value := Value + ' (' + IntToStr(ANode.Count) + ')';
end;