What is the ImageDataPtr class

Hello,

I need to write code for the JPEG encryption. I got the sample source code. To write my client app, I need to provide the parameters. B

I am struct-king with providing one parameter i,.e ImageDataPtr class method i,.e

UIC::ImageDataPtr dataPtr;
    dataPtr.p8u = //what I need to provide here;

could you please suggest me.

Regards,

sathish.