There is no default BTT widget can bind dataname with a KeyedCollection data. So we need to extend a totally new widget “CurrbencyWidget” to support KColl binding. It is composed by a Select widget and a textbox widget. “CurrencyWidget” can bind a compound keyedcollection type data. And it can be used as table column widget, edit, sorting, disable, and so on. Following is an example to extend “CurrencyWidget”.
You could refer to the sample code from ../reference/ExtensionSampleProject/BTTExtensionSample.zip.