I understand that there are other similar questions but they all, appear, to be dated. So I am asking anew. How close can I get to this implementation -->Telerik Demo
in a Winforms project?
It looks like I need to do some sort of modification to the RadDropDownList or the MultiColumnComboBox control?
I really need to figure out a nice, simple solution so that I can remove the last remnants of a competitor product...example