Klaus Schmidinger wrote: >> from every thread, or just from the main thread. Plugins can implement a >> 'service supported' check by returning <tt>true</tt> without performing >> any actions when called with <tt>Data=NULL</tt>. >> ----8<---- > > Since the Data parameter in the function calls has NULL as default, > a plugin implementing Service() _must_ be prepared to handle this > case. ----8<---- Plugins should expect to be called with <tt>Data=NULL</tt> and may use this as a 'service supported' check without performing any actions. ----8<---- Cheers, Udo
