Alex wrote:
>It seems that I will have to wait until I code
>enough of a test case for a *successful* ITypeInfo::Invoke() (there are
>two tests of failing calls, but none of a successful one)

I'm a complete COM newbie, but I've been reading "The Essence of COM"
lately for entertainment; it almost describes that call.  (FWIW, the
example code
for the book is at http://www.rollthunder.com/Books/OldBooksFrame.htm.)

I went poking around online looking for examples of that call in C,
and only found two  :-(
http://viewcvs.php.net/viewcvs.cgi/php-src/ext/com_dotnet/com_com.c
http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.ercp/org.eclipse.ercp.swt.expanded.win/win-native/impl/Browser.c?cvsroot=Technology_Project&rev=1.2

I also found a muddled discussion here:
http://www.codeproject.com/atl/multidisp.asp

Good luck writing that test case!
- Dan

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