Hi, I've founded ugly bug in TQtWsCalendar component ;), so now it properly trigger events. Patch is attached. zeljko -------------- next part -------------- A non-text attachment was scrubbed... Name: qtupdate-r11380.patch Type: text/x-diff Size: 995 bytes Desc: not available URL: <http://lists.lazarus-ide.org/pipermail/qt/attachments/20070626/ab663ae8/attachment.patch>