On 26 January 2011 18:29, waldo kitty <wkitt...@windstream.net> wrote:
> On 1/26/2011 13:08, Frank Church wrote: > >> After having sparked a much longer thread than I expected, I need to get >> back to >> my problem, although it may belong in a different thread. >> >> Now in most case data modules expose interfaces that the GUI parts of the >> app >> call to get data. >> >> My problem now is the other way round, where the Data Module needs to >> connect >> with the GUI first, in that whether or not the GUI is running, the Data >> Module >> can make a call and send the data to it if it exists, but without having >> to >> compile in any GUI dependencies. >> > > in this case, i would consider a pipe (named or otherwise)... create the > pipe when the GUI unit starts up ... the data unit looks for the pipe... if > it does not exist, it does not attempt to communicate with the GUI part... > when the pipe comes into existence, then the data unit can start sending its > data into the pipe... > > seems workable ;) > > > Pipes are a new area for me, are there any Lazarus demos of their usage? > -- > _______________________________________________ > Lazarus mailing list > Lazarus@lists.lazarus.freepascal.org > http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus > -- Frank Church ======================= http://devblog.brahmancreations.com
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