How to pass Interface type to ChannelFactory without hardcoding the name

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Hi,
I calling a WCF Service using reflections . Where I'm creating a Proxy by using ChannelFactory ,binding and endpoint address.
Let us think that My ServiceContract Name is ISeravice1.
I'm creating a Proxy and calling a specific method in this way:

using (ChannelFactory<T> cf = new ChannelFactory<T>(binding, uri))
            {
                object oProxy = cf.CreateChannel();
                Type oType = oProxy.GetType();
                MethodInfo oMeth = oType.GetMethod(method);
                oMeth.Invoke(oProxy, args);
            }

In the above code I need to pass <T> as my ServiceContact that is IService1.
If I have many Service Contracts then I need to specify all , so I need to remove hardcoding of name of Service Contract.
Regards,
Ramana

Posted 24-May-11 0:54am

Ramana Bellary

Updated 24-May-11 1:03am

CS2011

v2

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Sergey Alexandrovich Kryukov 24-May-11 15:56pm

Good question! Hard-coding the name is bad. My 5.
--SA

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Yvan Rodrigues · Answer 1 · 2011-05-24T01:31:00

Since you're using reflection anyways, you could instantiate the generic ChannelFactory class using reflection.

C#

public static object CreateGeneric(Type generic, Type innerType, params object[] args)
{
    System.Type specificType = generic.MakeGenericType(new System.Type[] { innerType });
    return Activator.CreateInstance(specificType, args);
}

var contract = typeof(ICoolWebService); // or whatever
var cf = CreateGeneric(typeof(ChannelFactory), contract);

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