static MSBuildProjectService ()
{
Services.ProjectService.DataContextChanged += delegate {
dataContext = null;
};
PropertyService.PropertyChanged += HandlePropertyChanged;
DefaultMSBuildVerbosity = PropertyService.Get ("MonoDevelop.Ide.MSBuildVerbosity", MSBuildVerbosity.Normal);
Runtime.ShuttingDown += delegate {
ShutDown = true;
CleanProjectBuilders ();
};
}