// draw the characters
// 1. for each update region
for (wxRegionIterator upd(GetUpdateRegion()); upd; ++upd) {
- wxSize clientSize = GetClientSize();
wxRect updRect = upd.GetRect();
wxRect updRectInGChars(DeviceCoordsToGraphicalChars(updRect));
// 2. for each row of chars in the update region