Internet Direct (Indy) Version 9.0.2 Beta
EIdInterceptPropIsNil
Exception raised when attempting to enable a Nil Intercept.

EIdInterceptPropIsNil = class(EIdTCPConnectionError)
Description
This exception class is raised whenever an attempt to set the InterceptEnabled to true while Intercept is nil. To enable intercepts, you first must set the Intercept property to a TIdConnectionIntercept descendant before setting the InterceptEnabled property to true.