How Can I Safely Load and Run a Dynamic Assembly in C#?

Dynamically loading and executing an assembly, instantiating a class, and calling its Run() method requires careful consideration to prevent security vulnerabilities. Directly casting the TestRunner class to a specific type is risky, as type compatibility across different assemblies isn't guaranteed. A safer and more robust method utilizes AppDomain isolation.

Creating a new AppDomain isolates the dynamic assembly from your main application, enhancing control and management. The AppDomain.CreateInstanceFromAndUnwrap() method then instantiates the desired type within this isolated environment. This approach improves security and provides greater flexibility in handling dynamic assemblies.

For more advanced scenarios involving dynamic assembly loading and unloading, the Managed Add-ins Framework (located in the System.AddIn namespace) offers superior control and flexibility. It provides a structured approach to managing add-ins, minimizing potential risks associated with dynamically loaded code.

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