Creative Databinding With Delphi 8 for .NET Creative Databinding, a short tutorial on how to bind your object model to you GUI using the .NET framework databinding technology.

Databinding Overview Simple Binding The binding of a control to a public property of a class Complex Binding The binding of a control to a class that supports a list Specifically the list object must support the IList interface.

Databinding Binding Managers Currency Manager Simple and Complex Binding Uses Interfaces or reflection to bind Property Manager Simple Binding Uses reflection to bind

Databinding Dataflow

Sample Code

Databinding Collections Must Implement IList Most convenient to inherit from CollectionBase Must implement a default Array property called Item Member class properties must be published

Databinding Navigating the collection CurrencyManager Position, read and write, so can increment and decrement Current, contains the selected object Refresh, update the bound component.

Databinding Showing changes The cheats way – Currency Manager, refresh IBindingList Change Notification Automatic Addition of Items Automatic Removal of Items In place Editing Searching Sort

Databinding Simple binding 2 way, but there is a trick to it Implement a propertynameChanged event Binding class allows us to provide custom parsing and formatting.

Databinding Thanks to References http://www.codeproject.com/vb/net/databindingconcepts.asp http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q313482 http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnadvnet/html/vbnet02252003.asp