How to send UIImage data to Unity3d via a C# script and iOS plug-in?

How to send UIImage data to Unity3d via a C# script and iOS plug-in?

I did the task & explained steps in the below link:

http://stackoverflow.com/questions/9107792/how-to-send-uiimage-data-to-unity3d-via-a-c-sharp-script-and-ios-plug-in