[Gambas-user] Endless DATA event in Table

[Benoît Minisini]

Le 15/10/2015 18:23, Rolf-Werner Eilert a écrit :
>
> Am 15.10.2015 18:11, schrieb Benoît Minisini:
>> Le 15/10/2015 17:51, Rolf-Werner Eilert a écrit :
>>> In my project there is a TabView with 4 tabs, on two of them there is a
>>> TableView. And there is a TreeView with names.
>>>
>>> When I choose a name, and the first Tab is open, the Table there is
>>> filled with data, and there it stops and waits. So the DATA event runs
>>> through only once after it was triggered by setting Rows.Count.
>>>
>>> When I click on the other Tab with the other Table, it keeps filling and
>>> filling and filling, so the program is slowed down. But Rows.Count is
>>> set only once there, too. And there is nothing within the Data event
>>> loop which could set it again while filling.
>>>
>>> As soon as I click on another Tab, it stops filling that Table. Same
>>> when I click on some root entry in the TreeView which empties the
>>> Tables. So when GUI moves the focus away from that Table, it stops as
>>> expected.
>>>
>>> My problem is, I cannot find any reason for that specific TableView to
>>> be triggered over and over again. Does anyone here have had such a case
>>> and could me point where to start looking?
>>>
>>> Thanks for any hints!
>>>
>>> Rolf
>>>
>> Can you provide a project?
>>
>
> Hm no, it's way too large... but I can show excerpts if you like:
>
> This is the table "tbd" which runs normally:
>
>     ldsv.ListeFelder(baum.Current.Key, links, rechts)
>     tbd.Rows.Count = links.Count
>     tbd.Columns.Count = 2
>     tbd.Columns[1].Width = tbd.Columns[0].Width * 3
>
>
> Public Sub tbd_Data(Row As Integer, Column As Integer)
>
>     If TabelleAnzeigen Then
>       tbd.Data.Text = TabellenZelle(tblDaten[Row + 2], Column + 1)
>
>     Else
>       If Column = 0 Then
>         tbd.Data.Text = links[Row]
>       Else If Column = 1 Then
>         tbd.Data.Text = rechts[Row]
>       End If
>     End If
>
> End
>
> This is the table "tbk" which is running over and over again:
>
>     ldsv.ListeKonto(baum.Current.Key, ktNr, ktDatum, ktText, ktSoll,
> ktHaben, ktModus)
>
>     konto.ListeKTXbisJetzt(baum.Current.Key, text, soll)
>
>     konto.ListeKTXansKonto(ktNr, ktDatum, ktText, ktSoll, ktHaben,
> ktModus, text, soll, nix)
>
>     tbk.Rows.Count = ktNr.Count
>     tbk.Columns.Count = 5
>     tbk.Columns[1].Width = tbk.Columns[0].Width * 2
>     tbk.Columns[2].Width = tbk.Columns[0].Width / 1.5
>     tbk.Columns[3].Width = tbk.Columns[0].Width / 1.5
>     tbk.Columns[4].Width = tbk.Columns[0].Width / 3
>     tbk.Columns[0].Text = "Datum"
>     tbk.Columns[1].Text = "Text"
>     tbk.Columns[2].Text = tbkRechtsbuendig(2, "Soll")
>     tbk.Columns[3].Text = tbkRechtsbuendig(3, "Haben")
>     tbk.Columns[4].Text = "Modus"
>
>     If ktModus[ktModus.Count - 1] = "O" Then  'altes Konto
>       tbk.Font.Name = "Courier"                 'Schrift Courier
>     Else                                      'neues Konto
>       tbk.Font.Name = tbd.Font.Name             'Schrift wie Datentabelle
>     End If
>
>     tbk.MoveTo(tbk.Rows.Count - 1, tbk.Columns.Count - 1)
>     tbk.Current.EnsureVisible
>
>
> Public Sub tbk_Data(Row As Integer, Column As Integer)
>
>     Select Case Column
>     Case 0
>       tbk.Data.Text = ktDatum[Row]
>       If ktDatum[Row] <> "" And ktModus[Row] <> "N" Then
>         tbk.Background = Color.RGB(230, 230, 230)
>       Else
>         tbk.Background = color.White
>       End If
>
>     Case 1
>       tbk.Data.Text = ktText[Row]
>       If ktText[Row] <> "" And ktModus[Row] <> "N" Then tbk.Background =
> color.RGB(230, 230, 230)
>       If ktModus[Row] = "K" Then
>         tbk.Data.RichText = "<i><b><font color=\"#0000FF\">" &
> ktText[Row] & "</font></b></i>"
>       End If
>
>     Case 2
>       tbk.Data.Text = cent2wert(ktSoll[Row])
>       tbk.Data.Alignment = Align.Right
>       If ktSoll[Row] <> "" And ktModus[Row] <> "N" Then tbk.Background =
> Color.RGB(230, 230, 230)
>       If ktModus[Row] = "K" Then tbk.Background = color.RGB(230, 230, 230)
>
>     Case 3
>       Select Case saldoZeile(Row)
>       Case -1                     'Minderbetrag
>         If Trim$(ktHaben[Row]) = "" Then
>           tbk.Data.RichText = "<i><b><font color=\"#FF0000\">" & "-,--" &
> "</font></b></i>"
>         Else
>           tbk.Data.RichText = "<i><b><font color=\"#FF0000\">" &
> cent2wert(ktHaben[Row]) & "</font></b></i>"
>         End If
>       Case 0                      'Ausgleich
>         tbk.Data.RichText = "<b><font color=\"#0000FF\">" &
> cent2wert(ktHaben[Row]) & "</font></b>"
>       Case 1                      'Überzahlung
>         tbk.Data.RichText = "<b><font color=\"#00A600\">" &
> cent2wert(ktHaben[Row]) & "</font></b>"
>       End Select
>       tbk.Data.Alignment = Align.Right
>       If ktHaben[Row] <> "" And ktModus[Row] <> "N" Then tbk.Background =
> Color.RGB(230, 230, 230)
>       If ktModus[Row] = "K" Then tbk.Background = Color.RGB(230, 230, 230)
>
>     Case 4
>       tbk.Data.Text = ktModus[Row]
>       If ktModus[Row] <> "" And ktModus[Row] <> "N" Then tbk.Background =
> color.RGB(230, 230, 230)
>
>     End Select
>
> End
>
> As soon as I can see, it doesn't contain any code that would trigger it
> all over (if that is possible anyway).
>
> Thanks
> Rolf
>

If you put a breakpoint at the beginning of the Data event handler, what 
is the stack backtrace?

-- 
Benoît Minisini