8. The recording medium according to claim 1 , the function further comprising: obtaining print output orientation information for a printer, the print output orientation information including information indicating orientation of the output medium; and changing the document icon such that the thumbnail image of the document file is changed to show the effect of the orientation of the output medium upon the printing of the document file.
1. A recording medium which stores a program which, when executed, allows a computer to perform a function comprising: obtaining color attribute information of a document file, the color attribute information including information indicating whether the document file is expressed in color, the color attribute information including information indicating a percentage of a color region contained in the document file; and displaying a document icon which represents the document file, the document icon including a thumbnail image of the document file and a region percentage display image, the thumbnail image of the document file being displayed in color when the obtained color attribute information indicates that the document file is expressed in color and the region percentage display image being an image of a graph representing the percentage of the color region in the document file in accordance with the obtained color attribute information.