Detect from browser if specific application is installed

Question

We have an advanced webpage (ASP.NET, C#), and a application which needs to be installed on the client computer in order to utilize the webpage to its fullest. The applicati

Answer 1

Expose the trayapp (assuming this as a Managed app) as COM object. You could then use the tag with the GUID and trap errors when not found or use the ActiveXobject with the progid to detect if it's installed.