You must bind to WebBrowser's events and check in CommandStateChange event for changing Back button enabled state (CSC_NAVIGATEBACK or 3). See "GoBack Method" and "CommandStateChange Event" topics in MSDN for more information.
Plamen Ivanov
MCSD .NET Early Achiever and MCAD .NET Charter Member (VB .NET/SQL Server 2000)
MCSD (VB 6.0/SQL Server 2000)
VB (.NET) - what other language do you need in the whole Universe?...
