When must we use extern alias keyword in C#?
When must we use extern alias keyword in C#?
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Basically you only really need it when you want to use two types with the same fully qualified name (same namespace, same type name) from different assemblies. You declare a different alias for each assembly, so you can then reference them via that alias.
Needless to say, you should try to avoid getting into that situation to start with 🙂