Bug by click on 'default'

Hello!


When I click on:
http://upyourpic.org/images/201112/iwpsvb64rd.jpg
I got:
http://upyourpic.org/images/201112/nrcsspdycv.jpg
Bug report:
date/time : 2011-12-29, 12:51:45, 296ms
computer name : OOO
user name : Admin <admin>
registered owner :
operating system : Windows XP Service Pack 3 build 2600
system language : Russian
system up time : 3 hours 6 minutes
program up time : 7 seconds
processor : Intel(R) Celeron(R) M processor 1.50GHz
physical memory : 737/2038 MB (free/total)
free disk space : (C:) 2,61 GB
display mode : 1280x800, 32 bit
process id : $e9c
allocated memory : 12,79 MB
executable : heidisql.exe
exec. date/time : 2011-12-29 10:50
version : 6.0.0.4007
compiled with : Delphi XE
madExcept version : 3.0m beta 1
callstack crc : $ad1434d0, $1869d663, $1869d663
exception number : 1
exception class : EInvalidOperation
exception message : Cannot focus a disabled or invisible window.

main thread ($dbc):
0056ee8a heidisql.exe Forms TCustomForm.SetActiveControl
0056ef93 heidisql.exe Forms TCustomForm.FocusControl
004f02d6 heidisql.exe Controls TWinControl.SetFocus
00738514 heidisql.exe grideditlinks 1316 +5 TColumnDefaultEditorLink.RadioClick
00738034 heidisql.exe grideditlinks 1224 +5 TColumnDefaultEditorLink.PrepareEdit
006265e8 heidisql.exe VirtualTrees TBaseVirtualTree.DoEdit
004e95e2 heidisql.exe Controls TControl.WMMouseMove
006238bc heidisql.exe VirtualTrees TBaseVirtualTree.WMTimer
004e8cbc heidisql.exe Controls TControl.WndProc
004ed580 heidisql.exe Controls TWinControl.WndProc
0062ef30 heidisql.exe VirtualTrees TBaseVirtualTree.WndProc
004ecc20 heidisql.exe Controls TWinControl.MainWndProc
004ab4d8 heidisql.exe Classes StdWndProc
7e418a0b USER32.dll DispatchMessageW
00575b6b heidisql.exe Forms TApplication.ProcessMessage
00575bae heidisql.exe Forms TApplication.HandleMessage
00575ed9 heidisql.exe Forms TApplication.Run
007f98fb heidisql.exe heidisql 67 +16 initialization

SQL if need:

CREATE TABLE `users` (
`id` INT(11) NOT NULL AUTO_INCREMENT,
`username` VARCHAR(50) NULL DEFAULT NULL COLLATE 'utf8_unicode_ci',
`uid` VARCHAR(32) NULL DEFAULT NULL,
`password` VARCHAR(255) NOT NULL COLLATE 'utf8_unicode_ci',
`group` INT(11) NULL DEFAULT '1',
`email` VARCHAR(255) NOT NULL COLLATE 'utf8_unicode_ci',
`last_login` VARCHAR(25) NULL DEFAULT '' COLLATE 'utf8_unicode_ci',
`login_hash` VARCHAR(255) NOT NULL COLLATE 'utf8_unicode_ci',
`profile_fields` TEXT NULL COLLATE 'utf8_unicode_ci',
`created_at` INT(11) UNSIGNED NULL DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE INDEX `username` (`username`, `email`)
)
COLLATE='utf8_general_ci'
ENGINE=InnoDB
AUTO_INCREMENT=4;

Fixed in r4008