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IDProjectCategoryView StatusLast Update
0004138JEDI VCL00 JVCL Componentspublic2007-12-16 13:58
ReporterrodriesAssigned ToAHUser 
Status resolvedResolutionfixed 
Product Version 
Target VersionFixed in Version3.34 
Summary0004138: Reduce flicker on resize in JvExDBGrids.pas
Descriptionreduce flicker on resize in JvExDBGrids.pas

Info from ThemedDBGrid (Jeremy North's)

procedure WMEraseBkgnd(var Msg: TWMEraseBkgnd); message WM_ERASEBKGND;

procedure TJvExDBGrid.WMEraseBkgnd(var Message: TWMEraseBkgnd);
  Message.Result := 1; // the grid paints its whole content in the Paint method

Also you can create themed JvExDBGrids adding functions from ThemedDBGrid.pas on

TagsNo tags attached.



2007-06-20 02:24

administrator   ~0013485

I'm sorry, I don't understand what you are asking for here. Can you elaborate?


2007-06-22 02:56

reporter   ~0013510

Reduces WM_ERASEBKGND related flicker
You can get more information here

If you add the above code in TJvExDBGrid class when you resize on runtime a dbgrid with data you don't get flicker.

Sorry my english, I'm spanish.


2007-12-16 13:58

developer   ~0014072

Already fixed in SVN for TJvDBGrid and TJvDBUltimGrid

Issue History

Date Modified Username Field Change
2007-05-25 04:49 rodries New Issue
2007-06-20 02:24 obones Note Added: 0013485
2007-06-20 02:24 obones Status new => feedback
2007-06-22 02:56 rodries Note Added: 0013510
2007-12-16 13:58 AHUser Status feedback => resolved
2007-12-16 13:58 AHUser Fixed in Version => Daily / SVN
2007-12-16 13:58 AHUser Resolution open => fixed
2007-12-16 13:58 AHUser Assigned To => AHUser
2007-12-16 13:58 AHUser Note Added: 0014072