OutputGroups::Parent Property

public void CodeExample(DTE2 dte)
{  
    try
    {
        // Open a project before running this example.
        Project proj = dte.Solution.Projects.Item(1);
        OutputGroups groups = proj.ConfigurationManager.ActiveConfiguration.OutputGroups;
        int c = 1;
        int x = 0;
        string msg;
        // Find the last outputgroup with at least one file.
        foreach (OutputGroup grp in groups)
        {
            x++;
            if (grp.FileCount > 0)
                c = x;
        }
        OutputGroup group = groups.Item(c);
        msg = "The " + c + "/" + groups.Count + " item in the OutputGroups groups collection is " +
            group.DisplayName;
        msg += "\nThe parent of the collection is the Configuration: " + groups.Parent.ConfigurationName;
        msg += "\nThe application containing this collection is: " + groups.DTE.Name;
        MessageBox.Show(msg);
    }
    catch(Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}