Abstract:
Provided are a method of performing an event action by using a touch screen device based on operation gestures that are simultaneously input by using multiple operation tools and the touch screen device. The method includes: identifying a first operation tool based on contact by the first operation tool, the contact being sensed on the touch screen device; setting an operation area on the touch screen device based on an area designated by the contact by the first operation tool; identifying a second operation tool based on access by the second operation tool, the access being sensed on the touch screen device; sensing an operation gesture of the second operation tool within the operation area by using the second operation tool.