An user control (OCX) that can be used to display a single month calendar or a multiple months calendar (max. 9x9). The control has many events, properties, and methods to allow complete control over the appearance and behavior of the control. All aspects of the appearance (fonts, colors, display, and week numbers) can be changed; all aspects of the behavior (use hover effect, mouse overs, and mouse outs) are at your fingertips with this control. It allows selection of ranges like weeks, days, or months and is customizable to any language. By default it uses system settings. Documentation is provided in HTML in English and Dutch.
You have downloaded an ActiveX Component. This is an OCX file which you can use in a Development environment. Search your harddrive for CBTDateSel.OCX. This is the filename of the actual component. You seem to be misunderstanding the ActiveX basics.