RTS + Selection Box + Scroll Problem

Hi i am new in construct, but i cant find my problem solved in the forums, so i will post them.

First, i am using RTS Behavior in my units, but when the mouse scroll the screen and the unit is outside of the initial display rectangle the Selection Box is not pick the units anymore. What are missing here? (the unit is the violet rectangle)

Second, when the selection box is draggin and reach any limit screen, scroll occurs, but the selection box is not resize trough the scroll, how can i make this?

here is my cap: http://3.file.am/8383

Very sorry for my bad english and many thanks for any answer!