But tableview doesn't appear to be editable either... there's no read-only attribute, no editable attribute... so ?
On Wed, 2011-12-14 at 18:06 +0100, Fabien Bodard wrote: > 2011/12/14 Caveat <gam...@caveat.demon.co.uk>: > > Hi, > > > > I have a program that compares small binary files (either 1k or 4k so > > really quite small files!). > > > > The program builds the GUI based on whether the user has chosen to view > > the data from a Mifare 1k card or a Mifare 4k card. > > > > Problem is that when building the view for the 4k card, the program > > slows down to a crawl. There are 8192 textboxes built in 2 columns of > > 64 panels (64 textboxes per panel), with a bold label against each panel > > indicating the sector number on the card. This arrangement represents > > the sectors on a Mifare 4k card. The side by side column view makes for > > a very nice, quick visual check on where the cards differ. > > > > The slowdown doesn't appear to be linear, that is the more items there > > are to add (or have been added), the slower and slower it gets. I get > > the impression Gambas may be frantically shuffling things around on the > > form, and finding more and more things to shuffle, so taking longer and > > longer as each item is added. To see the slowdown for yourself, just > > try selecting Mifare 4k in the dropdown under Mifare Card Type, you > > don't need to load any files or run Compare... > > > > I have tried replacing the whole panel/textbox/scrollview thing with a > > GridView and it works, a LOT faster, but then you have no possibility to > > edit the data (coming in a later version of the program!). > > Use tableview instead of gridview !!! > > > > > > If anyone can take a look and suggest some improvements, I'd be more > > than happy! > > > > Kind regards, > > Caveat > > P.S. Project is attached, it is a work in progress...! > > > > ------------------------------------------------------------------------------ > > Cloud Computing - Latest Buzzword or a Glimpse of the Future? > > This paper surveys cloud computing today: What are the benefits? > > Why are businesses embracing it? What are its payoffs and pitfalls? > > http://www.accelacomm.com/jaw/sdnl/114/51425149/ > > _______________________________________________ > > Gambas-user mailing list > > Gambas-user@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/gambas-user > > > > > ------------------------------------------------------------------------------ Cloud Computing - Latest Buzzword or a Glimpse of the Future? This paper surveys cloud computing today: What are the benefits? Why are businesses embracing it? What are its payoffs and pitfalls? http://www.accelacomm.com/jaw/sdnl/114/51425149/ _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
