Calendar - OnBeforeEditOperationNotify

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OnBeforeEditOperationNotify

Printed From: Codejock Forums
Category: Codejock Products
Forum Name: Calendar
Forum Description: Topics Related to Codejock Calendar
URL: http://forum.codejock.com/forum_posts.asp?TID=10048
Printed Date: 29 April 2024 at 10:22am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: OnBeforeEditOperationNotify

Posted By: Algae
Subject: OnBeforeEditOperationNotify
Date Posted: 02 April 2008 at 7:44pm

I've been experiencing a crash when deleting a calendar event (right click in calendar, select delete from the popup). Usually I can delete one event without trouble, but the second event I try to delete always crashes.

I traced it to xtpCalendarControl.cpp on about line 2097 in version 10.42 in

BOOL CXTPCalendarControl::DoDeleteEvent(CXTPCalendarViewEvent* pViewEvent)

where it calls OnBeforeEditOperationNotify (as shown)

    if (!::IsEventExists(pData, pEvent))
    {
        return TRUE;
    }

    //------------------------------------------------------------------------
    BOOL bHandled = FALSE;

    if (m_pActiveView)
    {
        bHandled = m_pActiveView->OnBeforeEditOperationNotify(xtpCalendarEO_DeleteEvent, pViewEvent);
    }

    if (bHandled)
    {
        return TRUE;
    }

The reason it crashes is that pEvent gets clobbered.. (feefee etc)

pEvent is fine before the function, then trash afterwards. To verify, I commented out the OnBeforeEditOperationNotify and it works fine.

I tried duplicating using the Codejock samples but was unable to do so. I'm using a CXTPCalendarCustomDataProvider with SQL. The project is unicode, statically linked. The problem occurs in both release and debug.

Any hints on what may be going on would be appreciated.

Thank you