The STK X library is a COM library containing types, interfaces, events and classes that allow developers to add advanced STK 2D, 3D visualization and analytical capabilities to applications with little effort. The STK X library contains four high level components used in STK Engine applications:
The STK X library is built on Microsoft Component Object Model (COM) technology and can be used in environments supporting standard COM automation. Available environments include .NET (Visual Basic, C#, etc.), Java, C++, PowerPoint, Excel, Access, and scripting languages supporting COM late binding.
STK 11.2.1 Programming Interface