MBR IT/.NET 247 : Can I return an Interface.? on microsoft.public.dotnet.framework.remoting

Can I return an Interface.?

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Lord2702

Wed. Sep. 01, 2004 10:10 PM PT

I have a remoting server, on which I host a Business Object Component, I
want to return an Interface IDbConnection as follows...

IDbConnection *GetConnection() {
// code
return dbConnection; //as an interface
}

Thanks.

Reply to this message...

Henrik de Jong

It is in fact a common way to talk to remote objects by interfaces. You
can also return interfaces wich are remote-objects. By example, if you
've got the Advanced .Net Remoting from Ingo Rammer, you can read a nice
example about an IRemoteFactory wich returns a IRemoteObject based on
some parameters.

kind regards,
Henrik

Lord2702 schreef:
[Original message clipped]

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Lord2702

Thu. Sep. 02, 2004 11:35 AM PT

It seems you didn't get my query, I already host a COM+ object and returning
its interface, now, let say in this COM object I have two methods,
DataSet *GetDataSet();
IDbConnection *GetConnection();

In first I return DataSet object, but have a problem while returning the
second one, the interface connection. It says, something like the object
cannot be marshalled, may be, the Interfaces are not by MBRO, and also not
marked by ISerializable. Hence, my question is How do I return an Interface
? Although, I will not JUST return the interface, within GetConnection I
will assign the interface variable with full object.

Thanks for your reply.

"Henrik de Jong" <Click here to reveal e-mail address> wrote in message
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	System.Data.DataSet
	System.Data.IDbConnection
	System.Runtime.Serialization.ISerializable

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