| 摘要 |
A method of operating a hand-held computer including a database and a data port for communications with a server, the database including a plurality of records that correspond to a folder data structure. The method comprises searching the database for an available folder ID; creating a folder, the folder having a data structure being stored as a record in the database and including folder ID field, a parent folder ID field, and a folder name field, the available folder ID being stored in the folder ID field; and repeating searching and creating thereby creating a plurality of folders, wherein the value stored in the folder ID field for one folder equals the value stored in the parent folder ID field for another folder, thereby creating a parent/child relationship between the folders.
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