Use an Object from Dll located on another AppDomain

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Hi I created one AppDomain in my application and dynamically load an assembly to this appdomain. All these functionalities are working fine but i can't use an object from these dll.

I Created one class named Loader that inherits from MarshalByRefObject, load the assembly to this class. in my default appdomain use these class by using

loader = (Loader)domain.CreateInstanceAndUnwrap(typeof(Loader).Assembly.FullName, typeof(Loader).FullName);

I can use object from dll in newly created appdomain, but when i assign that object to any of my member inside my default appdomain then it gives the error like

Type 'WpfCustomControlLibrary1.Page1' in assembly 'WpfCustomControlLibrary1, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' is not marked as serializable.

Please give me a solution for this problem

Thanks in advance
Naufal k K

Posted 22-Aug-11 20:54pm

Naufalkk

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Sergey Alexandrovich Kryukov 23-Aug-11 18:27pm

This is important question, my 5. Hope my answer will help you.
--SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-08-23T12:26:00

First of all, do realize that different Application Domains are isolated from each other as thoroughly as processes. That said, you can exchange data and events between them using IPC, as in the case of different processes.

Now, additionally, the class System.AppDomain provides some special light-weight simplified means of IPC. Perhaps I will name not all of them but those I often used, but they are also the most important ones: the methods SetData, GetData and DoCallBack; using of those three could be enough for majority of purposes.

For more detail, see http://msdn.microsoft.com/en-us/library/system.appdomain.aspx[^].

—SA