1. A method of controlling a display control apparatus, the method comprising: dividing, by at least one hardware processor, a display region of a display into a plurality of divided regions in which a plurality of images are displayed according to an attribute of the plurality of images; detecting, by the at least one hardware processor, a first designation of a first position in a first divided region; detecting, by the at least one hardware processor, a second designation of a second position in a second divided region while performing the detecting of the first designation; detecting, by the at least one hardware processor, a first operation on the display region after the detecting the second designation, wherein the first operation includes a movement of the first position relative to the second position; and controlling, by the at least one hardware processor, an enlargement or a reduction of a size of a plurality of images of a target region including the first divided region and the second divided region, in response to the detecting of the first operation.