For bindings: The optional conversion function to convert property values back to data values.
Specifying this function modifies a binding to set its Binding.mode to be BindingMode.TwoWay.
If you want a two-way binding without a back-conversion function, specify null for a BackConversion.
If you do not want a two-way binding, omit any BackConversion.
For bindings: The optional conversion function to convert property values back to data values. Specifying this function modifies a binding to set its Binding.mode to be BindingMode.TwoWay. If you want a two-way binding without a back-conversion function, specify
nullfor aBackConversion. If you do not want a two-way binding, omit anyBackConversion.