UICamera(Script)
Use Mouse = true
Use Touch = true
Allow Multi Touch = false
Sticky Press = false
KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.Dictionary`2[System.Int32,UICamera+MouseOrTouch].get_Item (Int32 key)
at UICamera.get_dragCount () [0x00009] in D:\MGR\Assets\External\NGUI\Scripts\UI\UICamera.cs:431