Hi just install the beta and have a play with it. pretty impressive.
i create one window with a picture and a button to open another window.
what do i need to do in the code to open the second window???
We haven't yet documented how to perform that operation because we are both finishing the Actions panel (that will enable you to perform common operations without the need to write any code) and we are also finishing the underline source code engine.
In the meantime if you have a Button1 inside a Window1 and you want to open a Window2, in the Button1 action even you should write: