Class '<classname>' must either be declared 'MustInherit' or override the following inherited 'MustOverride' member(s): <membername(s)>

Classes derived from base classes that contain MustOverride members must either override such members or use the MustInherit modifier.

Error ID: BC30610

To correct this error

• Add the MustInherit modifier to the class definition.

• Declare an override using the Overrides keyword.

See Also

Reference

Overrides

MustInherit

Other Resources

Inheritance in Visual Basic