Patent ID: 7331020

Claim:
A method of representing a tree database in a display menu, comprising the steps of: providing a tree database with a database name, the tree database possessing a plurality of first level data nodes, each of which possesses a null set or a plurality of second level data nodes, wherein each of the first data node and the second data node has a data node name; selecting one of the first level data nodes as a working data node; titling the node name of the working data node in the first line of a working menu; listing the second level data nodes possessed by the working data node in the working menu, following the node name of the working data node; and listing the non-selected first level data nodes as a switching menu; wherein the working menu, the switching menu, and the database name form a display menu; and wherein, if a cursor is moved to select one of the first level data nodes from the switching menu, an extra menu, separate from the display menu, is generated to display the second level data nodes possessed by the selected first level data node from the switching menu.