Firemonkey Grid - How to keep it refreshed ? [Edit]
Hi,
On my form I have a Firemonkey Grid and I have a singular StringColumn.
I am retrieving data from the internet via XML, parsing and filling a Generic Collection list.
The data comes in and I clear the old collection, thus clearing the grid.
I have also added the event OnGetValue and I am using that event to populate my grid from the Collection.
The first time this is run it's perfect, then I search 3 more times (to retrieve seperate data)
and the grid updates with the fresh values. However on the fourth search I have to manually click into the
Grid in order to get it to reflect the new values.
I've tried various methods like Repaint, SetFocus (used a timer to also call these) but it's always the same
result. Clearly I am doing something wrong, but I can not figure out what.
I've followed the excellent blog post here http://bit.ly/wFx2Px (by MonkeyStyler creator) but I am at a loss.
Here is my Grid's OnGetValue code :-
{code}
procedure TfrmMain.grdResultsGetValue(Sender: TObject; const Col, Row: Integer; var Value: TValue);
var
e: TGDataEntryVideo;
begin
//
if Col = 0 then
Begin
if fFeed = Nil then Exit;
e := fFeed.Entries[Row];
if e = Nil then Exit;
Value := e.Title;
End;
end;
{code}
Does anyone have any suggestions ?
EDIT:
I've found that the OnGetValue the second time around is only called AFTER I click the Grid itself, even though I've called Grid.Repaint.
Edited by: Anthoni Gardner on Oct 25, 2012 6:45 PM
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Anthoni
10/25/2012 5:47:10 PM
embarcadero.delphi.firemonkey
4901 articles. 
4 followers.
1 Replies
1231 Views
> {quote:title=Anthoni Gardner wrote:}{quote}
> Does anyone have any suggestions ?
>
> EDIT:
> I've found that the OnGetValue the second time around is only called AFTER I click the Grid itself, even though I've called Grid.Repaint.
Solved it.
I had to call Grid.UpdateColumns followed by Grid.SetFocus.
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Anthoni
10/25/2012 8:18:17 PM
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