Scrolling in signal Window

[bismitapadhy]

On scrolling every time a new signal window is created and data redraws again,how can i find a pericular area(QRubberband area) is there in that window or not after scrolling. So that i can redraw the rubber band again

[bismitapadhy]

On scrolling every time a new signal window is created and data redraws again,how can i find a pericular area(QRubberband area) is there in that window or not after scrolling. So that i can redraw the rubber band again

How can i store the signal time value and how can i check the timing on each scroll.

[bismitapadhy]

How can i store the signal time value and how can i check the timing on each scroll.

I am able to find it out that a perticular rubber band was place in that area or not?

But how can i get the x position of the window at perticular time? Please help me..