On vendredi 17 octobre 2008, [EMAIL PROTECTED] wrote: > I would like to allow the user to move items in a ListView (up, down, to > the beginning, to the end) by buttons. The Enabled properties of the > buttons are set by a private method UpdateButtons each time the > selection of the ListView changes (according to the position of the > selected item in the view). This works all right. Moving an item to the > top seems to be very simple and works properly, too: > > > > PUBLIC SUB btnTop_Click() > > lvwList.Current.MoveFirst > > lvwList.Current.Selected = TRUE > > UpdateButtons > > END > > > > Trying to move an item to the end of the view causes a runtime error: > > > > PUBLIC SUB cBottom_Click() > > lvwList.Current.MoveLast > > lvwList.Current.Selected = TRUE > > UpdateButtons > > END > > > > On executing this, I always get a runtime error, either "Unknown item > '...'" with a key that doesn't make sense and is apparently taken from > some other data of my application by a mistake in memory allocation, or > just an uncommented error #11. This is my first problem. > > > > The second one: Moving an item one position upwards should work, in my > opinion, using the follwing button event handler: > > > > PUBLIC SUB btnUp_Click() > > lvwList.MoveCurrent > > lvwList.MovePrevious > > lvwList.Current.MoveBefore(cList.Item.Key) > > lvwList.Current.Selected = TRUE > > UpdateButtons > > END > > > > This shows no effect, however. On debugging, I have found out, that the > ListView.MovePrevious method does nothing. It returns FALSE, but the > internal cursor is not moved. > > > > Where could be the mistakes? And what is the difference between > ListView.MovePrevious and ListView.MoveAbove? The latter doesn't work > either, but I don't understand the difference. > > > > I use Gambas 2.0.0, downloaded as a Debian binary from the official > source mentioned at the Gambas web site. >
Can you try a more recent version of Gambas? The better being the latest one. These bugs may have been fixed! Regards, -- Benoit Minisini ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
