a service can not pop up message box.

I have a service, which is a system process, needs to pop up a message box. It works under Windows XP, but not working under Windows Vista. Anybody can help me with some suggestions? Thanks.
[191 byte] By [Tony128] at [2008-2-21]
# 1
Please try WTSSendMessage
def0 at 2007-9-10 > top of Msdn Tech,Software Development for Windows Vista,Security for Applications in Windows Vista...
# 2

There's an explanation on what's going on in the article "The Windows Vista Developer Story: Application Compatibility Cookbook" at:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnlong/html/AppComp.asp

See "Session 0 Isolation".

Didona at 2007-9-10 > top of Msdn Tech,Software Development for Windows Vista,Security for Applications in Windows Vista...
# 3
There is nothing helpful in that article.
jimh12345 at 2007-9-10 > top of Msdn Tech,Software Development for Windows Vista,Security for Applications in Windows Vista...

Software Development for Windows Vista

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