VB.net Outlook checking for mail and calender events -


hello have following code checks unread messages:

 oinbox = ons.getdefaultfolder(outlook.oldefaultfolders.olfolderinbox).parent.folders(pair.key)  oitems = oinbox.items  oitems = oitems.restrict("[unread] = true")   dim omsg outlook.mailitem  integer = 1 oitems.count     omsg = oitems.item(i)     dim tmpstring string = ""     tmpstring = omsg.subject & "^" & omsg.sendername & "^" & omsg.receivedtime & "^" & omsg.body & "^" & omsg.entryid     outlookfoldersmail.add(dictionarynum, tmpstring)     omsg = nothing     dictionarynum += 1  next

now works fine emails seems crash on line omsg = oitems.item(i) when trying process calender invite email.

the error this:

additional information: unable cast com object of type 'system.__comobject' interface type 'microsoft.office.interop.outlook.mailitem'. operation failed because queryinterface call on com component interface iid '{00063034-0000-0000-c000-000000000046}' failed due following error: no such interface supported (exception hresult: 0x80004002 (e_nointerface)).

what need add/and or check in order not crash if calender event invite?

code update

oinbox = ons.getdefaultfolder(outlook.oldefaultfolders.olfolderinbox).parent.folders(pair.key) oitems = oinbox.items oitems = oitems.restrict("[unread] = true")

 dim omsg object   integer = 1 oitems.count     debug.print(oitems.class)     omsg = oitems.item(i)     dim tmpstring string = ""     tmpstring = omsg.subject & "^" & omsg.sendername & "^" & omsg.receivedtime & "^" & omsg.body & "^" & omsg.entryid     outlookfoldersmail.add(dictionarynum, tmpstring)     omsg = nothing     dictionarynum += 1  next

i no longer have error on omsg = oitems.item(i) debug.print output 16 both normal email , calender invite....

you declaring omsg outlook.mailitem, meeting requests represented outlook.meetingitem objects.

declare omsg generic object , check class or messageclass property @ run-time decide how cast current item.


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