update and redraw a DrawingArea



Hello List !

I have a problem when a DrawingArea is updated (because it was hidden etc.)
Can anybody explain me how this is done correctly ?
In my case, when a DrawingArea is updated, the lines and boxes are
destroyed and not correctly redrawn. 

Thanks, 
Christian

---
Christian Gall

cgall@bigfoot.de
cgall@techfak.uni-bielefeld.de



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