resize

resize behavior for SCView

1  2  3

4  5  6

7  8  9

1 - fixed to left, fixed to top

2 - horizontally elastic, fixed to top

3 - fixed to right, fixed to top

4 - fixed to left, vertically elastic

5 - horizontally elastic, vertically elastic

6 - fixed to right, vertically elastic

7 - fixed to left, fixed to bottom

8 - horizontally elastic, fixed to bottom

9 - fixed to right, fixed to bottom