Operation not allowed in DLL

Not all Visual Basic statements are allowed within a dynamic-link library (DLL). This error has the following causes and solutions:

• You tried to create a DLL from a class that contains a statement that can't be executed from a DLL.

  Check your class and remove any statements that can't be executed within a DLL, for example, the End statement.

For additional information, select the item in question and press F1 (in Windows) or HELP (on the Macintosh).