The SetData method in the System.AppDomain class is used for adding or modifying a key/value pair of custom data to the data collection associated with a specified application domain. This method is useful for passing information between different areas in the same application domain or for sharing information between separate application domains.
In this example, we are setting a custom data key/value pair in the current application domain using the SetData method. We then retrieve the value using the GetData method and output it to the console. This can be useful for storing application-specific information, such as the application name.
In this example, we are creating a new application domain and setting a connection string as custom data using the SetData method. We then retrieve the connection string using the GetData method and output it to the console. This can be useful for sharing data between multiple application domains, such as when working with different databases.
Package/Library: System.Runtime.Extensions.
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