visual studio extension: 怎样监控解决方案的事件

public class SolutionEvents : IVsSolutionEvents3

{



}

SolutionEvents solutionEvents = new SolutionEvents();
IVsSolution solution = this.GetService(typeof(SVsSolution)) as IVsSolution;
uint mySolutionEventsCookie = 0;
if (solution != null)
{
int adviseSolutionResult = solution.AdviseSolutionEvents(solutionEvents, out mySolutionEventsCookie);
if (adviseSolutionResult != VSConstants.S_OK)
{
Trace.TraceWarning(Localizable.AdviseSolutionEventFailed);
}
}