listview: fixed double buffering bug.

Under Windows the issue caused the listview to stop updating. It is not
recommended to paint outside the HandlePaint event handler. Painting is
not guaranteed then.

1 files changed, 1 insertions, 7 deletions

diff --git a/src/gui/fpg_listview.pas b/src/gui/fpg_listview.pas
index 1b2f738a..ae3e1ac3 100644
--- a/src/gui/fpg_listview.pas
+++ b/src/gui/fpg_listview.pas
@@ -801,13 +801,7 @@ begin
     FOnColumnClick(Self, Column, Button);
 
   Column.FDown := True;
-  
-  if FUpdateCount = 0 then
-  begin
-    Canvas.BeginDraw(False);
-       PaintHeaders;
-    Canvas.EndDraw;//(2,2, width-4, Height-4);
-  end;
+  Repaint;
 end;
 
 procedure TfpgListView.HandleHeaderMouseMove(x, y: Integer; btnstate: word;