More than a decade of development have created one of the most flexible and advanced Delphi treeview controls available today! Virtual Treeview does not read the data it manages except its size, not even the captions of a node. Everything is retrieved from the application via events or descendants via overridden methods.
Virtual Treeview is using a double licensing scheme. You can either choose Mozilla Public License 1.1 (MPL 1.1) or GNU Lesser General Public License.
There is a set of design and runtime packages for each supported IDE version, which can easily be opened to compile and install the control in the IDE. Virtual Treeview supports the following IDEs: Delphi / RAD Studio XE3 - 10.2.3 Tokyo Follow the instruction in the included file INSTALL.txt
First of all, please make sure you are using the latest official version. When reporting a bug please include a sample project that allows us to quickly reproduce the bug. This can also be one of the demo projects that come with Virtual Treeview, modified to show the bug. If only small changes are required, a description is sufficient how a demo projects needs to be changed in order to replicate the bug. If you already have a solution, please supply a patch file or make a pull request.