Added SelectionStart, SelectionLength bindings to illustrate textbox selection.
Added SelectionStart, SelectionLength bindings to illustrate textbox selection.

Ronmenator/Fayde,Ronmenator/Fayde,Ronmenator/Fayde,wsick/Fayde,Ronmenator/Fayde,wsick/Fayde,wsick/Fayde,wsick/Fayde