if (strRootDir == null || "".equals(strRootDir)) {
objParent = new FileSystem();
} else{
FolderObject objFolder = new FolderObject(null, new File(strRootDir), true);
objFolder.reload();
objParent = objFolder;
}
m_objDataModel = new FileSystemDataModel(objParent);
m_objModel = new SimpleTreeModel(m_objDataModel);