Teledyne-lecroy SAS_SATA Automation API manual Uživatelský manuál stáhnout pdf (Strana 141)

AutomationAPIforTeledyneLeCroySAS/SATAProtocolSuite 135

SASAnalyzerObjectEvents

TeledyneLeCroy

SASAnalyzer Object Events

_ISASAnalyzerEvents Dispinterface

ToretrievetheeventsfromaSASAnalyzerobject,youmustimplementthe

_ISASAnalyzerEventsinterface.Sincethisinterfaceisthedefaultsourceinterfaceforthe

SASAnalyzerobject,thereisaverysimpleimplementationfromlanguagessuchas

Visual Basic,VBA,VBScript,andWSH.

Somescriptenginesimposerestrictionsonhandling eventsfrom“indirect”automation

objectsintypelessscriptlanguages(whentheautomationinterfacetotheobjectis

obtainedfromacallofsomemethod,ratherthanfromacreationfunction,suchas

CreateObject()inVBScript).TheTeledyneLeCroySAS/SATAProtocolSuiteapplication

providesaspecialCOMclass,allowingreceivingandhandlingnotificationsfromtheVSE

objecteveninscriptlanguagesnotsupportingeventhandlingfrom"indirect"objects.

TheC++implementationusedintheexamplesbelowutilizesasinkobjectbyderivingit

fromIdis pEventImpl,butnotspecifyingthetypelibraryasatemplateargument.Instead,

thetypelibraryanddefaultsourceinterfacefortheobjectaredeterminedusing

AtlGetObjectSourceInterface().

ASINK_ENTRY()macroisusedforeacheventfromeachsourceinterfacethatistobe

handled:

class CAnalyzerSink : public IDispEventImpl<IDC_SRCOBJ,

CAnalyzerSink>

{

BEGIN_SINK_MAP(CAnalyzerSink)

// Make sure the Event Handlers have __stdcall calling

convention.

SINK_ENTRY(IDC_SRCOBJ, 1, OnTraceCreated)

SINK_ENTRY(IDC_SRCOBJ, 2, OnStatusReport)

END_SINK_MAP()

. . .

}

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Teledyne-lecroy SAS_SATA Automation API manual Uživatelský manuál Strana 141