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I noticed that when overriding virtual methods in C# using Visual Studio, the IDE automatically adds the base.Method() call. On the other hand, when overriding abstract methods, the IDE automatically adds a NotImplementedException().
Why does VS automatically adds the base.Method() call when overriding virtual methods? Is it best practice to call the base method?
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Yes, you need to use the override keyword, otherwise the method will be hidden by the definition in the derived class.
You cannot override a non-virtual or static method. The overridden base method must be virtual , abstract , or override . An override declaration cannot change the accessibility of the virtual method. Both the override method and the virtual method must have the same access level modifier.
Virtual Methods: Few Points To Remember If a method has the same definition in both the base and derived class then it's not required to override the method. Override is only required if both have a different definition.
That depends if you still need the base behaviour to occur. This decision would be made on a case by case basis. There's no hard and fast rule, although some patterns would expect a call to the base method (correct implementation of the IDisposable pattern works this way)
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