The file "hhctrl.ocx" is an ActiveX control developed by Microsoft Corporation for use with HTML Help. Specifically, it serves as the Microsoft® HTML Help Control, which is designed to provide help documentation and support for applications using HTML-based content.
The HTML Help Control (hhctrl.ocx) allows developers to integrate a help system into their applications that can display context-sensitive help, tutorials, or other informative content in a structured format. This control supports HTML content, enabling the use of text, images, links, and multimedia elements to create rich, interactive help files. It can also handle search functionalities and navigation within help topics.
By incorporating hhctrl.ocx into their applications, developers can offer users an intuitive way to access help and documentation, enhancing the overall user experience. This is particularly useful in software that requires detailed user guidance or instructional content, as it allows users to easily find relevant information without leaving the application.
In summary, "hhctrl.ocx" is an ActiveX control developed by Microsoft Corporation for the HTML Help system, enabling developers to integrate a flexible and interactive help documentation solution into their applications. It enhances user support by providing access to structured HTML-based help content directly within the software.