meissner at suse.de
Tue Oct 22 04:04:04 CDT 2002
On Tue, Oct 22, 2002 at 10:16:57AM +0200, Fabian Cenedese wrote:
> Hi all
> My app stumbled over a not implemented function from oleaut32.dll
> called DispCallFunc. It's only available as stub. I tried to find some info
> about this but it's an undocumented "feature". MSDN doesn't mention it
> at all (obviously) and on the net I could only find this short description:
> ITypeInfo::Invoke (or DispInvoke) needs v-table to call-in a method.
> But when we are talking about pure disp-interfaces - they don't have any
> info about v-table, but just a mapping between DISPID and method signature.
> Therefore these functions would fail miserably to convey the call to pure
> dispinterface, but as all we know - the majority of sources(/events)
> interfaces are these pesky dispinterfaces. DispCallFunc is a low-level
> routine (that btw is used by DispInvoke and ITypeInfo::Invoke internally).
We implement ITypeInfo::Invoke already, so it should be easy to do
an implementation of this one.
If you can provide me a small testprogram I can see whether I can implement
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