摘要 |
PROBLEM TO BE SOLVED: To provide a user interface with good responsibility in which a document and a page in a document can be easily searched.SOLUTION: In response to a user operation to display a list of at least one document, when the thumbnail image corresponding to the document is not stored in the thumbnail image storage unit, document attribute information corresponding to an attribute of the document is generated, and a thumbnail image corresponding to the document is generated and stored in a thumbnail storage unit for each of the at least one document. The list of at least one document is displayed using the thumbnail image when the thumbnail image is stored in the thumbnail storage unit and using document information when the thumbnail image is not stored in the thumbnail image storage unit, for each of the at least one document. |