HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\9.0\Debugger I think this is not documented, but you can try changing some of the Timeouts in the above registry key, and restart Visual Studio.
I don’t think there is a solution. But there is a workaround: Define your own Text Visualizer and put appropriate DebuggerVisualizer attribute before the attribute of your JsonVisualizer. The result will be that string will be readable by default and Json Visualizer can be chosen. A window with a multi-line textbox is not too much … Read more