How many types of of binding modes present in WPF?

There are 4 types of Binding Modes in WPF: 1. OneWay 2. TwoWay 3. OneWayToSource 4. OneTime

OneWay,TwoWay,OneWayToSource,OneTime.

OneWayToSource - A reverse version of OneWay. OneWay - From source to destination. OneTime - The property is initially set, but updates to the source are not copied to the destination. TwoWay - Changes to source and destination are copied to each other.