livebindings

In Delphi XE2 LiveBindings, I need to bind a VCL control of any type to a property of any type on an arbitrary (non-component) object. I can do this unidirectionally. But I need to do it bidirectionally. Let's say I want to bind a TPerson.PersonName: string to a TEdit.Text. What I have now is simple. Create a new VCL application, add a TBindScope, TBindingsList, TEdit. Create an instance of TPerson named person1. Using a BindingList, add a TBindExpression property. With BindExpression set ControlComponent to Edit1 set ControlExpression to 'Text' set SourceComponent to BindScope1 set

There is a ComboBox on the FMX Form. It is binded with a datasource (table that has an id -integer and speciality - varchar fields) in the following manner- object LinkFillControlToField1: TLinkFillControlToField Category = 'Quick Bindings' Control = ComboBox1 Track = True FillDataSource = BindSourceDB1 FillValueFieldName = 'id' FillDisplayFieldName = 'speciality' AutoFill = True BufferCount = -1 AutoBufferCount = False FillExpressions = <> FillHeaderExpressions = <> FillBreakGroups = <> end It is simple to get access to the value of chosen speciality (from ComboBox1.Selected.Text ) but I can