Delegate class '<classname>' has no Invoke method, so an expression of this type cannot be the target of a method call

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A call to Invoke through a delegate has failed because Invoke is not implemented on the delegate class.

Error ID: BC30220

To correct this error

  1. Ensure that an instance of the delegate class has been created with a Dim statement and that a procedure has been assigned to the delegate instance with the AddressOf operator.

  2. Locate the code that implements the delegate class and make sure it implements the Invoke procedure.

See Also

Reference

Delegate Statement

AddressOf Operator (Visual Basic)

Dim Statement (Visual Basic)

Other Resources

Delegates (Visual Basic)