>You can't do it in the Visual Class Designer, but you can subclass the column programmatically using the DEFINE CLASS command.
>
>You can add subclassed grids programmatically to the grid using the AddObject() method rather than AddColumn()

To clarify, the AddColumn() actually does AddObject("column"), which is always the base class, with the base class header and the base class textbox, and it can't be changed. We may actually override the AddColumn code, doing

AddObject("myColumn")
nodefault