PCallback

An abstract base class that performs command and query callbacks to PageMaker.

Constructor

PCallback();
The default constructor stores a pointer to the global parameter block. This constructor is protected, to restrict this class being created except as a base class.

Member functions

CallPageMaker() throws (CQErr);
This function performs the actual callback. If anything other than zero is returned by PageMaker, this function throws the error code as an exception. This function is used by subclasses PCommand and PQuery.
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