The Trace Level and Connection Limit setting can be found in the upper right corner of Tresi (See screenshot)
Connection Limit
- This is by default set to "10", which is the recommended value for WPF clients
Trace Level
- All : Trace All objects
- Events : Traces all events
- Messages : Trace all messages
- None : Disable Tracing
- StateChanges : Trace all state changes
Note : The trace output is sent to the log window (which can be found at the bottom part of Tresi
MSDN Documentation : here