Client Extensions
 

Hello,

I have a client extension written in C++. It's working fine with Outlook
2003 version. But for Outlook 2007 version, its throwing exception. I
couldn't locate the exact location of the bug.

It's crashing when it try to invoke or execute some explorer events. I know
dispid as 61447. It's OnSelectionChange event of explorer and its crashing
after invoking this dispid function.

My client extension provides drop down command bar button if some properties
are set in mailitem.This commandbar button provides lot of submenu items and
one of the item is create another explorer window.

The following are my doubts:

(1) How many client extensions (DLLS) gets loaded if multiple explorer
windows are launched ?

(2) When i invoke a new explorer window from main explorer window, another
extension dll gets loaded.Will each client extension DLL keep its own state?

Thanks

Client Extensions
 

1. the dll is loaded only once by the process, this is a Windows feature.
2. Your ECE entry point may be called multiple times in different contexts.
Nothing however prevents you from creating you ECE object only once and
storting a pointer to it in a global variable so you can rerurn it on
subsequent cals to yoru ECE entry point rather than returning a brand new
object.

--
Dmitry Streblechenko (MVP)
http://www.dimastr.com/
OutlookSpy - Outlook, CDO
and MAPI Developer Tool
-
"WLAN" wrote in message
...
Hello,

I have a client extension written in C++. It's working fine with Outlook
2003 version. But for Outlook 2007 version, its throwing exception. I
couldn't locate the exact location of the bug.

It's crashing when it try to invoke or execute some explorer events. I
know
dispid as 61447. It's OnSelectionChange event of explorer and its crashing
after invoking this dispid function.

My client extension provides drop down command bar button if some
properties
are set in mailitem.This commandbar button provides lot of submenu items
and
one of the item is create another explorer window.

The following are my doubts:

(1) How many client extensions (DLLS) gets loaded if multiple explorer
windows are launched ?

(2) When i invoke a new explorer window from main explorer window, another
extension dll gets loaded.Will each client extension DLL keep its own
state?

Thanks