On 04.08.2011 10:32, Grigory Petrov wrote:
On 02.08.11 15:08, Alexey Eromenko wrote:
This is result of unfortunate feature of MSCOM, related to
cross-bitness COM calls.
Could VBox project provide 32-bit COM interfaces on Windows 64-bit ?
(in addition to current 64-bit COM)
I agree. A well-behaved inproc COM server should provide both 64-bit and
32-bit interfaces on 64-bit windows. Making VirtualBox more well-behaved
will greatly increase it's popularity in areas where automation is
required. And it's not hard to implement.
Just wasted a lot of time searching through MSDN and not finding
anything useful. Found even claims
(http://msdn.microsoft.com/en-us/library/ms810720.aspx) that our rather
simple interfaces should work without trouble with both 32bit and 64bit
clients. Which is not correct according to Alexey.
Also, just to get this right: most of our API is not provided by an
"inproc" server, but by a "local" server, implemented by VBoxSVC.exe.
This server has LOTS of local state, and at the moment I can't even
imagine how 32bit and 64bit interfaces could possibly cooperate in such
a server. Leave alone that I found no way to tell MIDL about any bitness.
Any hints are appreciated - I may have missed something totally obvious.
Klaus
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