Duplicate Observed Data
You have domain available only in a GUI control, and domain methods need access.
Copy the data to a domain object. Set up an observer to synchronize the two pieces of data.
![](http://www.cnblogs.com/images/cnblogs_com/nanshouyong326/90398/o_20080126(020).jpg)
You have domain available only in a GUI control, and domain methods need access.
Copy the data to a domain object. Set up an observer to synchronize the two pieces of data.