Type '<typename>' is not supported because it either directly or indirectly inherits from itself

A class or interface either inherits from itself or from another class or interface which ultimately inherits from it.

Visual Basic does not support circular inheritance.

Error ID: BC30916

To correct this error

• Change the inheritance structure so that it is built on a base class or interface that does not inherit from any other class or interface.

See Also

Concepts

Inheritance Basics