Properties and Binding
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
High/Low Level :<br />
Lazily…<br />
• By changing the value of a property, the binding becomes invalid, <strong>and</strong> the<br />
invalidation listener will fire.<br />
• When a change occurs, the value is not immediately recomputed.<br />
• Recomputation happens later, if <strong>and</strong> when the value is subsequently requested.<br />
14