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What does the Extension Method AddRange with a null parameter do?

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• addrange
• method

asked 2021-11-18 11:00:00 +0000

plato
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answered 2021-10-11 14:00:00 +0000

lakamha
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If the extension method AddRange is called with a null parameter, it will throw a NullReferenceException at runtime. This is because the method expects a non-null parameter of type IEnumerable to add elements to a collection. When it receives a null value, it cannot perform the operation and throws an exception.

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