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Attribute constructor has a parameter of type '<type>', which is not an integral, floating-point, or Enum type or one of Char, String, Boolean, System.Type or 1-dimensional array of these types

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A custom attribute definition includes a constructor that specifies an invalid data type for a parameter. Attributes can take only certain data types as parameters, because only those types can be serialized into the metadata for the assembly.

Error ID: BC30045

To correct this error

  • Change the data type of the parameter to Byte, Short, Integer, Long, Single, Double, Char, String, Boolean, System.Type, or an enumeration type.

See Also

Other Resources

Custom Attributes in Visual Basic