Adding STK X Controls to a Visual Studio Project
                        - Open the designer for your form.
 - If the Toolbox is not visible, select Toolbox from the View menu.
 - Right-click inside the toolbox's General section and select "Choose Items..." from the context menu.
 - On the ".NET Framework Components" tab, click the browse button and browse to the following location: <STK install folder>/bin/Primary Interop Assemblies. If your project targets .NET 9 or greater, you can point to the assembly under <STK Install folder>/bin/Primary Interop Assemblies/net9.
 - Select the AGI.STKX.Controls.Interop.dll and click the Open button.
 - Click the OK button. The controls are now ready to be dragged and dropped onto your Windows form.