OutputGroup::FileCount 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;
        // Find an outputgroup with at least one file.
        foreach (OutputGroup grp in groups)
        {
            x++;
            if (grp.FileCount > 0)
                c = x;
        }
        OutputGroup group = groups.Item(c);
        msg += "OutputGroup Description: " + group.Description;
        msg += "\nNumber of Associated Files: " + group.FileCount.ToString();
        msg += "\nAssociated File Names: ";
        foreach (String str in (Array)group.FileNames)
        {
            msg += "\n" + str;
        }
        MessageBox.Show(msg);
    }
    catch(Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}