#640 – Method Names that You Cannot Use

The C# compiler will sometimes generate new methods in the IL, as an implementation of a particular language element.

For example, assume that you define a Name property:

public string Name { get; set; }

The IL that is generated as the implementation of this property will include the two methods get_Name and set_Name.

Because the compiler generates methods named set_XYZ and get_XYZ, where XYZ is a property that you define, you cannot implement methods having these same names.

The full list of method names that you cannot use in your code is:

  • get_XYZset_XYZ  (if your class contains a property named XYZ)
  • get_Itemset_Item  (if your class defines an indexer with a matching parameter list)
  • Finalize  (if your class defines a destructor)
  • add_XYZ(T)remove_XYZ(T)  (if your class defines an event named XYZ of type T)

About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

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