Summary:	Set the color of the item
Occurs:	When the user uses the paintbrush tool and clicks on the item.
Details:	where specifies the location that the user clicked. mods contains the foreground color of the paintbrush tool, where 0xRRGGBB is the color (RR is red, GG is green, and BB is blue, from 00-FF). For errOut, specify 0 for noError.