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| Manually implement COM interface in C#? |
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This message was discovered on microsoft.public.dotnet.framework.interop.
| Zhenxin Li |
Hello,
I want to implement IUPnPServiceCallback in C#. This interface is not in the
typelib of UPnP dll, so I must implement it myself. Are there any references
to implement COM interface in C# manually?
Best regards,
Zhenxin Li
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| Mattias Sjögren |
[Original message clipped]
Try this declaration
[ComImport, Guid("31fadca9-ab73-464b-b67d-5c1d0f83c8b8"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
interface IUPnPServiceCallback
{
void StateVariableChanged(IUPnPService pus,
[MarshalAs(UnmanagedType.LPWStr)] string pcwszStateVarName,
object vaValue);
void ServiceInstanceDied(IUPnPService pus);
}
Mattias
--
Mattias Sjögren [MVP] mattias @ mvps.org
http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com
Please reply only to the newsgroup.
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| Zhenxin Li |
Thanks! Every function works well. I also use Marshal::QueryInterface to
test it. It returns non-zero interface pointer.
But I don't get any notification from UPnP. I doubt whether my UPnP router
supports callback.
Best regards,
Zhenxin Li
"Mattias Sj?gren" <Click here to reveal e-mail address> wrote in message
news:Click here to reveal e-mail address...
[Original message clipped]
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