Dynamically updating GridCellChoiceEditor combo-box contents?

Hi,

I have a grid containing some data. In one of the columns, the data is
selected from a predefined list using a GridCellChoiceEditor.

However, I want to be able to dynamically add items to, and remove items
from, this choice-list, and I'm not finding a reliable way to do so.

The GridCellChoiceEditor has a Control, wich is a wx.Choice control. I can
manipulate the contents of that control to my hearts content and the list
with choices is updated. Great.

However, there are a couple of caveats:
1. The Control is not created before the user first invokes the cell-editor.
So before the user does that, I can not add or remove items.
2. Sometimes, the GridCellChoiceEditor itself is already deleted while I'm
trying to add/remove items! I don't know how/when that can happen. (Should I
manually increase/decrease the ref-count to it in my program, to let WX know
that I'm keeping a reference to it?)
3. There's a method SetControl() on the GridCellChoiceEditor, but invoking
the editor after using this method with a manually-created wx.Choice control
just crashes the program, hard.
4. There's a method Create() on the GridCellChoiceEditor which creates the
Control, but it needs an EvtHandler instance, and I don't know where to get
the proper one. I've tried a couple of things more-or-less at random, but it
just leads to crashes.
5. I could perhaps create a new GridCellChoiceEditor and call
grid.SetCellEditor() again for the cells involved, but I tried that, it
crashed too.


Does anyone have any helpful clues for me?

Regards,