swift - 将 UnsafeMutablePointer 转换为 [String :AnyObject]

Question

我已经将 [String:AnyObject] 作为用户数据传递给 addToolTipRect..

var myObject = [String:AnyObject]()

self.addToolTipRect( binCoordinates, owner: self, userData: &myObject )

因此，在 stringForToolTip 中，我需要将其转换回 [String:AnyObject]

var theData = [String:AnyObject](data) 不起作用。

Answer 1

// userData: UnsafeMutablePointer<Void>

let pUserData = UnsafeMutablePointer<Dictionary<String,AnyObject>>(userData)

// you can accsees all properties and functions via

pUserData.memory.myPropery // read or write myObject.myProperty
pUserData.memory.foo()     // execute myObject.foo()