how i set window constraint true in extjs 4?

[asifshaikh]

I am creating dynamic window like win_1,win_2... now i have 2 panel and panel id are "mypanel1" and "mypanel1". Now i am creating window in mypanel1. when the window create in mypanel1 then i use draggable window moves also in mypanel2,now i want to draggable windows just in mypanel1.
simply constraint is not working in creating dynamic window, now how i can true constraint please tell me;.
extjs 4

[mitchellsimoens]

Moved to Ext JS 4 Q&A forum for you.

[asifshaikh]

solved
we use renderTo:"mypanel1"