If I want to change the image on rollover, does this mean I'm gonna
have to refresh the cell every single time?
Yes. It actually works pretty well once you get the hang of it.
What I do is onmousemove I store a property of whether the mouse is
over my cell or not.
Then I do InvalidateCell(row, column) if the pic needs to change.
Then in the paint event, I check if it's my column and row and if my
property says the mouse is in there and draw the appropriate graphic
with
g.DrawPicture mypicture, 0, 0
You probably don't want to call InvalidateCell(row, column) on every
mousemove event but just the ones where you determine the mouse has
entered or left your cell.
Hope this helps!
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