This is a TreeListView, running in virtual mode. the data is never stored within the control.
Latest Tree View Articles
Thanks to ASP.NET 2.0's built-in TreeView control, you can give your Web site a professional-looking navigation system that displays hierarchical data—without having to write lots of code and script.
Learn to get around the limitation for the maximum value of the .NET TreeView's ItemHeight property.
Latest CodeGuru Developer Columns
With the addition of the C/C++ extension to Visual Studio Code, you might have what is needed in a small, cross-platform editor.
Learn to use LiteDB, is a simple, serverless, fast and lightweight, embedded .NET document database written in .NET C# managed code.
Discover four different ways to read your own application's metadata. Examples are in C# and VB.NET.
Onion Architecture addresses the challenges faced with 3-tier and n-tier architectures, and provides a solution for common problems.