Event-DrivenProgramming:Introduction,Tutorial,Historyhttp://Tutorial_EventDrivenProgramming.sourceforge.netStephenFerg(steve@ferg.org)Version0.2–2006-02-08ThisworkislicensedunderaCreativeCommonsAttributionLicenseHYPERLINK"http://creativecommons.org/licenses/by/2.5/"http://creativecommons.org/licenses/by/2.5/TheCreativeCommonsAttributionLicensegivesyoupermissiontodovirtuallyanythingyouwantwiththiswork,includingcopyingit,distributingit,andmakingderivedworks(includingtranslations)basedonit–aslongasyougivecredittotheoriginalauthor(StephenFerg).Inparticular,Iencourageteacherstomakecopiesofallorpartsofthisdocumentfortheirstudents,andtranslatorstotranslatethisdocumentintootherlanguages.Itisnotnecessarytoaskforpermission.--SteveFergRevisionHistory(mostrecentfirst)?version1.0released?version0.3–Modifiedbetaversion2006-02-08version0.2–modifieddraftversion2006-01-10version0.1–FirstdraftAcknowledgmentsThankstomyco-workerJeffDavis,forscanningseveralofthediagrams.Thankstomyco-workerGaryAult,whoreportedamistakeinoneofthestatetransitiondiagrams.ContentsTOC\o\h\zHYPERLINK\l"_Toc127197012"RevisionHistoryPAGEREF_Toc127197012\h2HYPERLINK\l"_Toc127197013"AcknowledgmentsPAGEREF_Toc127197013\h2HYPERLINK\l"_Toc127197014"InTheBeginning–TransactionAnalysisPAGEREF_Toc127197014\h7HYPERLINK\l"_Toc127197015"DataflowDiagramsPAGEREF_Toc127197015\h7HYPERLINK\l"_Toc127197016"StructureChartsPAGEREF_Toc127197016\h10HYPERLINK\l"_Toc127197017"TheHandlersDesignPatternPAGEREF_Toc127197017\h11HYPERLINK\l"_Toc127197018"TheHeadlessHandlersPatternPAGEREF_Toc127197018\h12HYPERLINK\l"_Toc127197019"TheExtendedHandlersPatternPAGEREF_Toc127197019\h13HYPERLINK\l"_Toc127197020"TheEventQueuePAGEREF_Toc127197020\h13HYPERLINK\l"_Toc127197021"SomeExamplesoftheHandlersPatternPAGEREF_Toc127197021\h14HYPERLINK\l"_Toc127197022"ObjectsPAGEREF_Toc127197022\h14HYPERLINK\l"_Toc1271970