iPhone 模擬器雙指動作

Ref:http://stackoverflow.com/questions/13275832/how-to-mimic-two-finger-scroll-drag-gesture-on-ios-simulator
Macbook pro (OS X EI Captian 10.11.5)
Xcode 7.3.1
1. Alt鍵 + 滑鼠 (Zoom)
2. Alt+ Shift 鍵 + 滑鼠 (Pan)