Am 27.11.2015 12:49, schrieb Rolf-Werner Eilert: > Am 25.11.2015 18:07, schrieb Benoît Minisini: >> Le 25/11/2015 17:58, Rolf-Werner Eilert a écrit : >>> Am 25.11.2015 13:59, schrieb Benoît Minisini: >>>> Le 25/11/2015 09:07, Rolf-Werner Eilert a écrit : >>>>> In one of my older projects, there was kinda timeout after 2 minutes of >>>>> inactivity. In the TreeView the next parent was jumped at and "clicked" >>>>> to let the data of the child disappear from screen. This is the code, >>>>> "baum" is the TreeView: >>>>> >>>>> baum.MoveParent >>>>> baum.Item.Selected = True >>>>> baum_Click >>>>> >>>>> Now in Gambas3, when the program doesn't have the focus anymore, I get a >>>>> "Null object" error at the baum.Item.Selected line. >>>>> >>>>> I know, Item is for the internal cursor. And I want the real cursor. But >>>>> Current is readonly, right? So how can I set the visible cursor? Or does >>>>> the error come from something quite different? >>>>> >>>>> Regards >>>>> Rolf >>>>> >>>> Provide more code. If baum.Item returns NULL, that should mean that >>>> MoveParent() failed. >>>> >>> Ok, that gives me an idea where to look. >>> >>> There is not much more code: >>> >>> Public Sub Timer2_Timer() >>> >>> If PrivacyPause Then >>> Timer2EventZlr = 1 >>> Return >>> End If >>> >>> If Timer2EventZlr > 0 Then >>> Timer2EventZlr = 0 >>> >>> Else >>> If tab.Index = 0 Then >>> If Left$(baum.Current.Key, 1) = "#" Then >>> baum.MoveParent >>> baum.Item.Selected = True >>> baum_Click >>> End If >>> Else >>> tab.Index = 0 >>> End If >>> >>> End If >>> >>> End >>> >>> Every 60 seconds the Timer looks if there is another Tab than 0 open. If >>> yes, the first action is to set it back to the first Tab. The next time, >>> it should set the cursor from the personal entry (child) back to its >>> parent, so the personal data aren't shown anymore and you cannot see who >>> was clicked. >>> >>> Of course, there is a check for activity at some places in the program, >>> but this still seems to run as expected. The problem appears only when >>> the program window is hidden and has no focus or when it's on another >>> screen. Maybe the TreeView "forgets" about its position then? >>> >>> Regards >>> Rolf >>> >> No. I guess that accessing baum.Current does not move the Item cursor >> anymore. Just try to add baum.MoveCurrent before baum.MoveParent, it >> should fix your problem. >> >> Regards, >> > And here we go again: There's another place with a Null Object error. > This time, there is a dialog which is called when a certain is clicked > in the TreeView. The dialog asks for a new entry for the TreeView. To > make things short, this is what happens: > > dlgNeuerName.ShowDialog > > baum.MoveCurrent > baum.Current.Expanded = True > 'no problem up to here > 'now read all data of the children into a list "ls" > Do > If baum.MoveBelow() Then Break > If Left$(baum.Item.Key, 1) <> "#" Then Break > ls.Add(baum.Item.Text & Chr$(6) & baum.Item.Key) > Loop > 'no problem > baum.MoveCurrent 'print baum.Current.Key shows: everything ok up > to here, but: > baum.Item.Clear > > Here is the Null Object error again. I tried: > > baum.Current.Clear (instead of Item) > > as well as > > baum.MoveCurrent > baum.MoveParent > baum.Item.Clear > > No chance. > > Any idea? Thank you! And if you are not there right now - have a nice > weekend! > > Rolf > > > ------------------------------------------------------------------------------ > _______________________________________________ > Gambas-user mailing list > Gambas-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/gambas-user > You haven't had an idea about this, have you?
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