How can I tell if my WAM function is executing in a browser (VLF.WEB) or under .NET (VLF.NET)?
This is how you do it in a WAM:
If Cond(#ThisHandler.DotNET = TRUE)
Message Msgtxt('Execution platform on client is .NET')
Else
Message Msgtxt('Execution platform on client is web browser')
Endif