public static string GetDefaultHeaderOutputDir(IVsProject project, bool evaluated)
        {
            string outputdir = project.GetDefaultItemMetadata(ItemMetadataNames.HeaderOutputDir, evaluated);

            if (string.IsNullOrEmpty(outputdir))
            {
                outputdir = GetDefaultOutputDir(project, evaluated);
            }
            return(outputdir);
        }
 public static string GetDefaultOutputDir(IVsProject project, bool evaluated)
 {
     return(project.GetDefaultItemMetadata(ItemMetadataNames.OutputDir, evaluated));
 }