65f5ff3f_Using_constraint_based_layouts__Constraints
[Effect] Center the component vertically [Constraints] 
Vertical center
N o n e
L e f t o r R i g h t
T o p o r B o t t o m
L e f t a n d T o p o r R i g h t + B o t t o m
L e f t a n d R i g h t
T o p a n d B o t t o m
L e f t a n d R i g h t a n d T o p a n d B o t t o m
H o r i z o n t a l c e n t e r
V e r t i c a l c e n t e r
V e r t i c a l c e n t e r a n d H o r i z o n t a l c e n t e r
Adobe Flash Builder 4 * Using constraint-based layouts