Announcing the ExpressQuantumTreeList v5

Our Newest Release for Delphi and C++Builder Developers

We are happy to announce the immediate availability of the ExpressQuantumTreeList v5 - the DevExpress TreeView-Grid and Editors Library for the VCL. With this release, we've extended the market-leading capabilities of our VCL Tree-List control with the following new features:

  • Data Caching for Better Performance
  • Nested Bands
  • Customizable Location of Expand Buttons
  • Quick Visibility Customization for Bands and Columns
  • Customizable Layout Persistence
  • User-Customizable Node and Band Height
  • Group Summaries
  • Multiple Summaries per Column
  • One-level or Recursive Summaries
  • Built-in and Custom Context Menus
  • Radio and Check Groups

To learn more about the QuantumTreeList, visit us online at:

In addition to this major update, we've introduced Contextual Tab support to our Ribbon control and further extended our application skinning engine.

If you are currently using older versions of our products or are considering switching from competing products, feel free to write to us at for upgrade/competitive pricing options. If you have technical questions or require additional pre-sales information, we can be reached at

As always, we welcome your feedback/comments and our support team is ready to help you transition your projects to these new products.

Thank you and Best Wishes
The DevExpress Team