- register-encoding-type INTEGER SYMBOL DECODERprocedure
Defines a custom encoding type with the given code and name. DECODER should be a procedure and will be called in an RFB client when a server sends data of this type. The procedure should take a single argument, the port from which the data should be read. The returned value will be added to a (FramebufferUpdate ...) message expression and returned when the server message is translated in a call to read-server-message.