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This MVP release provides a complete full-stack solution for managing action mappings in Geutebruck's GeViScope and GeViSoft video surveillance systems. ## Features ### Flutter Web Application (Port 8081) - Modern, responsive UI for managing action mappings - Action picker dialog with full parameter configuration - Support for both GSC (GeViScope) and G-Core server actions - Consistent UI for input and output actions with edit/delete capabilities - Real-time action mapping creation, editing, and deletion - Server categorization (GSC: prefix for GeViScope, G-Core: prefix for G-Core servers) ### FastAPI REST Backend (Port 8000) - RESTful API for action mapping CRUD operations - Action template service with comprehensive action catalog (247 actions) - Server management (G-Core and GeViScope servers) - Configuration tree reading and writing - JWT authentication with role-based access control - PostgreSQL database integration ### C# SDK Bridge (gRPC, Port 50051) - Native integration with GeViSoft SDK (GeViProcAPINET_4_0.dll) - Action mapping creation with correct binary format - Support for GSC and G-Core action types - Proper Camera parameter inclusion in action strings (fixes CrossSwitch bug) - Action ID lookup table with server-specific action IDs - Configuration reading/writing via SetupClient ## Bug Fixes - **CrossSwitch Bug**: GSC and G-Core actions now correctly display camera/PTZ head parameters in GeViSet - Action strings now include Camera parameter: `@ PanLeft (Comment: "", Camera: 101028)` - Proper filter flags and VideoInput=0 for action mappings - Correct action ID assignment (4198 for GSC, 9294 for G-Core PanLeft) ## Technical Stack - **Frontend**: Flutter Web, Dart, Dio HTTP client - **Backend**: Python FastAPI, PostgreSQL, Redis - **SDK Bridge**: C# .NET 8.0, gRPC, GeViSoft SDK - **Authentication**: JWT tokens - **Configuration**: GeViSoft .set files (binary format) ## Credentials - GeViSoft/GeViScope: username=sysadmin, password=masterkey - Default admin: username=admin, password=admin123 ## Deployment All services run on localhost: - Flutter Web: http://localhost:8081 - FastAPI: http://localhost:8000 - SDK Bridge gRPC: localhost:50051 - GeViServer: localhost (default port) Generated with Claude Code (https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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================================================================================
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GeViScope_SDK.pdf - Pages 31 to 40
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================================================================================
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────────────────────────────────────────────────────────────────────────────────
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Page 31
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────────────────────────────────────────────────────────────────────────────────
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ThesewrapperassembliesaredevelopedinC++/CLIandpublishedwiththeSDK.The
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assembliescanbefoundintheGeViScopeSDKbinaryfolder“GeViScopeSDK\BIN”.
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TheSDKprovideswrapperassembliesforthe.NET-Frameworksversions2.0and4.0
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whicharenamedasfollows:
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.NET-Framework2.0
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•GscExceptionsNET_2_0.dll
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•GscActionsNET_2_0.dll
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•GscMediaPlayerNET_2_0.dll
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•GscDBINET_2_0.dll
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.NET-Framework4.0
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•GscExceptionsNET_4_0.dll
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•GscActionsNET_4_0.dll
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•GscMediaPlayerNET_4_0.dll
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•GscDBINET_4_0.dll
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ThesewrapperassembliescanbeusedtogetherwithournativeSDKDLLs(GscAc-
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tions.DLL,GscDBI.DLL,GscHelper.DLL,GscMediaPlayer.DLL,MscDBI.DLL)tocreate
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customapplicationsunderany.NETlanguageonawindowsplatform.Theassemblies
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needtobereferencedbythe.NETprojectandallthefiles(assembliesandnativeDLLs)
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havetoresideintheapplicationfolder.
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────────────────────────────────────────────────────────────────────────────────
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Page 32
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────────────────────────────────────────────────────────────────────────────────
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Deployingacustomsolutionbasedonthe.NETwrapper
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Tosuccessfullydeployacustomapplicationthatusesthe.NETwrappercontainedinthe
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SDK,thefollowingprerequisiteshavetobefulfilled:
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a)MicrosoftVisualC++RedistributablePackagehastobe
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installed
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ThewrapperassembliesaredevelopedinC++/CLI.Soforexecutingthemonanonedevel-
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opmentmachine,theMicrosoftVisualC++RedistributablePackageisneeded.Thispack-
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ageexistsinadebugorinareleaseversion.Onproductivemachinesthereleaseversion
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needstobeinstalled.
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Forapplicationsusingthe.NET-Framework2.0theVisualC++2008RedistributablePack-
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ageisneeded.Incasethattheapplicationisdevelopedusingthe.NET-Framework4.0you
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needtoinstalltheVisualC++2010RedistributablePackage.
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b).NETFrameworkVersion2.0SP1ornewerhastobe
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installed
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Ifupdatingthe.NETFrameworkonaGEUTEBRÜCKdevice(GeViScopeorre_porter)
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fails,aspecialMicrosofttoolWindowsInstallerCleanUpUtility(MSICUU2.exe)can
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improvethesituation.Afterexecutingthistool,updatingtheFrameworkshouldbepossible.
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c)WrapperassembliesANDnativeSDKDLLsareneeded
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BesidethecustomapplicationalsothewrapperassembliesandthenativeSDKDLLs(lis-
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tedabove)areneededinthesamefolderasinwhichthecustomapplicationresides.
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Iftheapplicationusesthe.NET-Framework4.0youneedtoreferencetheGeViScopewrap-
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perDLLswiththeextension_4_0otherwisepleaseusethewrapperassemblieswiththe
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extension_2_0(seeabove).
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GeViScopeREGISTRY
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UsingtheGscRegistrywith.NET
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Introduction
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ByusingtheGeViScoperegistry(GSCREGISTRY)itispossibletomodifyGeViScope/Re_
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portersettingsprogrammatically.TheGscRegistryisaproprietaryregistryformat
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developedbyGEUTEBRÜCK.ThisregistryformatissimilartotheMicrosoftWindows
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registry.
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────────────────────────────────────────────────────────────────────────────────
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Page 33
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────────────────────────────────────────────────────────────────────────────────
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AllneededGeViScopeserversettingsarestoredintheGscRegistrydatabase.Thecreation
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ofownregistrydatabasesbasedonfilesisalsopossible.
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TheGEUTEBRÜCKGEVISCOPESDKprovidesseveralclassesandmethodstoallowa
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comfortableaccesstotheGscRegistry.
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Requirements
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Thefollowingrequirementsareneededtocreatea.NETapplicationthatusestheGscRe-
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gistryfunctionality:
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•.NET-Framework2.0SP1ornewer
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-.NET-Framework2.0SP1Wrapper-Assemblies:
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GscExceptionsNET_2_0.dll
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GscDBINET_2_0.dll
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-.NET-Framework4.0Wrapper-Assemblies:
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GscExceptionsNET_4_0.dll
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GscDBINET_4_0.dll
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•NativeWin32-DLLs,usedbythe.NET-Wrapper:
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-GscActions.dll
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-GscDBI.dll
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-GscMediaPlayer.dll
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-GscHelper.dll
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-MscDBI.dll
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•MicrosoftVisualC++RedistributablePackage
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Usingtheregistry
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Inthefollowing,theusageoftheGscRegistrywith.NETisexplainedindetail.Itdiscusses
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thefollowingsteps:
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l Opentheregistry
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l Readvaluesoutofnodes
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l Createanode
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l Addvaluestoanode
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l Savetheregistry
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AllnecessaryclassesandmethodsforusingtheGscRegistryareavailableintheGscDBI
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namespace.Toincludethisnamespacethefollowingusing-statementisneeded:
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usingGEUTEBRUECK.GeViScope.Wrapper.DBI;
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Opentheregistry
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ToreadormodifyGeViScope/Re_portersettingsitisnecessarytoestablishaconnection
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tothepreferredGeViScope/Re_porterserverbefore.Afterthisisdoneyouneedtocreatea
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newobjectoftheclassGscRegistryandinitializeitbyusingtheCreateRegistry()method
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whichiscontainedintheGscServerobject.
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C#-Code:Opentheregistry
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if(_GscServer!=null)
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{
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//createanobjectinstanceoftheserverregistry
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GscRegistryGscRegistry=_GscServer.CreateRegistry();
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if(GscRegistry!=null)
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{
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//defineanarrayforthesetupreadrequest(registrynodepaths
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toread)
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────────────────────────────────────────────────────────────────────────────────
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Page 34
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────────────────────────────────────────────────────────────────────────────────
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GscRegistryReadRequest[]ReadRequests=newGscRegistryReadRequest
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[1];
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ReadRequests[0]=newGscRegistryReadRequest("/",0);
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//readthenodes(setupdata)outoftheserverregistry
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GscRegistry.ReadNodes(ReadRequests);
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}
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}
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ThemethodReadNodes()oftheGscRegistryobjectexpectsanarrayofthetypeGscRe-
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gistryReadRequestwhichcontainsallnodepathstobereadoutoftheregistry.Inthe
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sourcecodesnippetabove,thearraysimplycontainsoneelementwhichrepresentsthe
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rootnode(“/”).Byreadingtherootnodetheentireregistrywillbereadout.
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Readvaluesofnodes
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Thefollowingsourcecodesnippetshowshowtoreadvaluesoutofnodes:
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C#-Code:Readvaluesoutofnodes
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if(GscRegistry!=null)
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{
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GscRegNodeRegNode=GscRegistry.FindNode("/System/MediaChannels/");
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for(inti=0;i<RegNode.SubNodeCount;++i)
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{
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//findtheGeViScoperegistrynodeoftheparentnodebymeansof
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theindex
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GscRegNodeSubRegNode=RegNode.SubNodeByIndex(i);
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GscRegVariantRegVariant=newGscRegVariant();
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//Getthevalue"Name"outofthesubregistrytypeandstorethe
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valueand
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//valuetypeintheGscRegVariantclass
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SubRegNode.GetValueInfoByName("Name",refRegVariant);
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if(RegVariant!=null&&RegVariant.ValueType==
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GscNodeType.ntWideString)
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Console.WriteLine(RegVariant.Value.WideStringValue);
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}
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}
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ToreadaspecificnodeoutoftheregistrytheGscRegistryclassprovidesthemethod
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FindNode().
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Forthatthepathtothepreferrednodehastobecommittedtothemethodandityouwillget
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backanobjectofthetypeofGscRegNode.Thisobjectcontainsallsubnodesandvaluesof
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thefoundnode.
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ToaccessasubnodeoftheparentnodethemethodSubNodeByIndex()providedbythe
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classGscRegNodecanbeusedorusetheSubNodeByName()methodifthenameofthe
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subnodeisalreadyknown.
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ThemethodGetValueInfoByName()canbeusedtoaccessaspecificvalueofanode.This
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methodexpectsthenameofthespecificvalueaswellasareferencetoanobjectoftypeof
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GscRegVariant.TheGscRegVariantobjectwillbefilledwiththetypeofthevalue
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(ValueType)aswellasthevalueitself(Value).
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Createanode
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────────────────────────────────────────────────────────────────────────────────
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Page 35
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────────────────────────────────────────────────────────────────────────────────
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TocreateanewnodeinaparentnodethemethodCreateSubNode()whichisprovidedby
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theclassGscRegNodeneedstobecalled.Themethodexpectsthenameofthenewnode.
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C#-Code:Createanode
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if(_GscRegistry!=null)
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{
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GscRegNodeRegNode=_GscRegistry.FindNode("/System/MediaChannels/0000");
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//createanewsubnodeinNodePath
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if(RegNode!=null)
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RegNode.CreateSubNode("NewNode");
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}
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Addvaluestoanode
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ThereareseveralmethodsintheclassGscRegNodetoaddvaluestoanode.Dependingon
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thetypeofthevalueitisneededtocalltherightmethodforwritingthistypeintotheregistry.
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ForexampleifyouwouldliketowriteanInt32valueintotheregistryyouneedtousethe
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methodWriteInt32().
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C#-Code:Addvaluestonode
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publicvoidAddValue(stringNodePath,stringValueName,GscNodeTypeValueType,
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objectValue)
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{
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GscRegNodeRegNode=_GscRegistry.FindNode(NodePath);
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if(RegNode!=null)
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{
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switch(ValueType)
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{
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caseGscNodeType.ntWideString:
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{
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RegNode.WriteWideString(ValueName,Value.ToString());
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break;
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}
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caseGscNodeType.ntInt32:
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{
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RegNode.WriteInt32(ValueName,Convert.ToInt32(Value));
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break;
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}
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}
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}
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}
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Savetheregistry
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AftertheGscRegistryobjectwasmodified(e.g.newnodes/newvalues),theserveralso
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needstoknowaboutthechangesmade.ForthistheGscRegistryclassprovidesthe
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methodWriteNodes().
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C#-Code:Addvaluestonode
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//defineanarrayforthesetupwriterequest
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────────────────────────────────────────────────────────────────────────────────
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Page 36
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────────────────────────────────────────────────────────────────────────────────
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GscRegistryWriteRequest[]WriteRequests=newGscRegistryWriteRequest[1];
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WriteRequests[0]=newGscRegistryWriteRequest("/",0);
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GscRegistry.WriteNodes(WriteRequests,true);
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TheWriteNodes()methodexpectsanarraycontainingobjectsofthetypeofGscRe-
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gistryWriteRequest.EachGscRegistryWriteRequestcontainsapathtoanodethathasto
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besaved.
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NOTICE
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Itisrecommendedtoonlyaddoneelementtothisarraywhichcontainstherootpath(“/”).
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Thisresultsinsavingtheentireregistrystructure.
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StructureofGSCRegistry
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TheGEVISCOPESDKofferstwopossibilitiestobrowsethestructureoftheGscRegistry.
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BymeansoftheapplicationGscRegEditthatisdeliveredwiththeSDK,itispossibleto
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browseormodifytheregistrysimilartoMicrosoft’sWindowsregistry.
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InadditiontoGscRegEdityoucanalsousetheregistryeditorwhichisintegratedin
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GSCSetup.ToactivatethisfeaturethekeycombinationSTRG+ALT+Uneedstobeactu-
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ated.TheentryRegistryeditorinthesectionUtilitiesinthenavigationbarontheleftwill
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nowbeshown.
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Examples
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TogetabetterideaofhowtousetheGscRegistry,theGEVISCOPESDKprovidesfurther
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.NETexampleapplications.
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Theexamplescanbefoundinthefolder„Examples“ folderintheGeViScopeSDKmain
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folder:
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l C:\ProgramFiles(x86)\GeViScopeSDK\Examples\VS2008NET\VS2008NET_
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GscRegEdit
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Simpleregistryeditor,GUIapplication(VisualStudio2008)
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l C:\ProgramFiles(x86)\GeViScopeSDK\Examples\VS2008NET\VS2010NET_
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GscRegEdit
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Simpleregistryeditor,GUIapplication(VisualStudio2010)
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l C:\ProgramFiles(x86)\GeViScopeSDK\Examples\VS2008NET\VS2008NET_
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GscRegistryBasics
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Consoleapplication(VisualStudio2008)
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l C:\ProgramFiles(x86)\GeViScopeSDK\Examples\VS2010NET\VS2010NET_
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GscRegistryBasics
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Consoleapplication(VisualStudio2010)
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GSCViewdatafilterplugins
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Introduction
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GSCViewoffersthepossibilitytointegratecustomizeddatafilterdialogs.Datafilterdialogs
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areusedtosearchandfiltervideofootagebyadditionaleventdata.Theycanbecustomized
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tothedifferentbusinessenvironmentsinwhichGeViScopeisused.
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────────────────────────────────────────────────────────────────────────────────
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Page 37
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────────────────────────────────────────────────────────────────────────────────
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Thefollowingsectionssupportyouwithsomesuggestionsandhintsaboutcreatingcus-
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tomizeddatafilterplugins.
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Generalhints
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Customdatafiltersarehostedinflatwindows32Bitdynamiclinklibraries.Differingfromnor-
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malDLLsthedatafilterDLLshavetheextension“.GPI”.AlldatafilterDLLsexistinginthe
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samefolderasGSCViewareintegratedinGSCViewautomatically.
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ThecustomizeddatafilterDLLinterface
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EachDLLhastoexportthefunctionGSCPluginRegisterSearchFilter()thatiscalledby
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GSCViewtousethecustomizeddialogs.Theexactdefinitionofthisfunctionandsome
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additionaltypedefinitionscanbefoundintheunit“GSCGPIFilter.pas/.h”.
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InsidethefunctionGSCPluginRegisterSearchFilter()oneorevenmoredatafilterdialogs
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havetoberegisteredbycallingthefunctionCallbacks.RegisterFilter().
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Thefollowingexample(inpseudocode)showshowthisisdone:
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if(Callbacks.RegisterFilter==NULL)
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────────────────────────────────────────────────────────────────────────────────
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Page 38
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────────────────────────────────────────────────────────────────────────────────
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returnFALSE;
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TPluginFilterDefinitiondef;
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def=SimpleFilter.GetFilterDefinition();
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Callbacks.RegisterFilter(Callbacks.HostHandle,def);
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ThestructureTPluginFilterDefinitiondefinessomeinformationaldataandallthecallback
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functionsneededforasingledialog.GSCViewusesthedefinitiontocallthedifferentcall-
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backfunctionsduringitsexecution.
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Nameofcallback
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function Function
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InitFilter() Canbeusedtoinitializethedatafilterdialog.Tointegratethedialogin
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GSCView,thefunctionhastoreturntrue.
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ShowFilter() Insidethisfunctionthedialogshouldbedisplayedasastand-alone
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(modal)dialog.GSCViewcallsthefunctionaftertheuseractivatesthe
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button.
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DeinitFilter() Canbeusedtodeinitializethedatafilterdialog.Thefunctionhastoreturn
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true,evenifitisnotused.
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GetFilterGuid() Thefunctionshouldprovideaglobaluniqueidentifier(GUID)thatisused
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insideGSCViewtoidentifythedialog.TheGUIDcanbedefinedasastatic
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constantvalue.
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Asanalternativetothemodaldisplayofthedatafilterdialog,thedialogcanbedisplayed
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nestedintheGSCViewmainwindoworGSCVieweventlist.Butatthemomentthisfeature
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isonlysupportedbycustomfilterdialogscreatedwithBorlandDelphi©.
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Toachievethenesteddisplay,theadditionalcallbackfunctionsofthestructureTPlu-
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ginFilterDefinitionhavetobeimplemented.TheBorlandDelphi©example
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“GSCViewDataFilter”demonstratesthedetails.
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Creatingthefiltercriteria
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Ifthecustomdatafilterisapplied,GSCViewdoesaqueryagainstthetables“events”and
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“eventdata”oftheinternalGeViScopedatabase.Forthisqueryafiltercriteriaisneeded.The
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────────────────────────────────────────────────────────────────────────────────
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Page 39
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────────────────────────────────────────────────────────────────────────────────
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customdatafilterdeliversthecriteriaandgivesitbacktoGSCViewintheShowFilter()call-
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backfunction.
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TobuildupmeaningfulfiltercriteriasomebackgroundknowledgeoftheGeViScopedata-
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baseisneeded.
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Thetable“events”containsalltheeventsrecordedinthedatabase(onlyeventinformation,
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notthesamples;thesamplesarelinkedtotheevents).
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Thetable“eventdata”containsadditionaldatabelongingtotheevents.Insidethetablethe
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differentparametersofactionsaresaved.IfforexampleaneventisstartedbytheCus-
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tomAction(4711,“Helloworld”),thevalue4711issavedintherow“Int64_A”andthevalue
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“Helloworld”issavedintherow“String_A”.BecausetheeventisstartedbyaCus-
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tomAction,thevalue8issavedintherow“EventDataKind”.Eachactionhasanindividual
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mappingofactionparameterstorowsinthetable“eventdata”.
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FordifferentbusinessenvironmentsspecialactionscanbecreatedbyGEUTEBRÜCK.
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Therealreadyexistsomespecialactionslike:
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Actionname Businessenvironment
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ATMTransaction() Automatedtellermachines
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ACSAccessGranted() Accesscontrolsystems
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SafebagOpen() Cashmanagementsystems
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POSData() Pointofsalesystems
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Theactioninternallydefinesthemappingofactionparameterstorowsinthetable“event-
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data”.Thecodeofanaction(foraCustomActionthecodeis8)isstoredintherow
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“EventDataKind”.Thecodesofactionsarelistedintheactionreferencedocumentation
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“GSCActionsReference_EN.pdf”.
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Toevaluatethemappingofactionparameterstodatabaserows,GSCSetupcanbeused.
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BypressingSTRG+ALT+UinGSCSetupthespecialutility“DBItest”getsavailable.
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With“DBItest”thestructureandcontentoftheGeViScopedatabasecanbeanalyzed.The
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followingSQLqueriescanbehelpful:
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SQLquery Function
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select*fromevents Fetchesrecordsfromthetable“events”
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select*fromeventdata Fetchesrecordsfromthetable“eventdata”
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select*fromsamples Fetchesrecordsfromthetable“samples”
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Thefollowingtableshoulddemonstratehowtobuildupfiltercriteriadependingonpara-
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metersgiveninthecustomdatafilterdialog(heretheCustomAction()isusedtostartthe
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events):
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────────────────────────────────────────────────────────────────────────────────
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Page 40
|
||
────────────────────────────────────────────────────────────────────────────────
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|
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Action
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para-
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||
meter
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INT
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Action
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para-
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||
meter
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STRING
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||
Fil-
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||
terCriteria.SQLstatementSQLquery
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Nothing Nothing EventData.EventDataKind=8select*fromEventDataleftjoinEventson
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EventData.EventID=Events.EventIDwith
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EventData.EventDataKind=8
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Nothing Hello
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world
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EventData.EventString_A=
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"Helloworld"and
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EventData.EventDataKind=8
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select*fromEventDataleftjoinEventson
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EventData.EventID=Events.EventIDwith
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EventData.EventString_A="Helloworld"
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andEventData.EventDataKind=8
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4711 Nothing EventData.EventInt64_A=
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4711and
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||
EventData.EventDataKind=8
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select*fromEventDataleftjoinEventson
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EventData.EventID=Events.EventIDwith
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||
EventData.EventInt64_A=4711and
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EventData.EventDataKind=8
|
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4711 Hello
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||
world
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||
EventData.EventInt64_A=
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4711and
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||
EventData.EventString_A=
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"Helloworld"and
|
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EventData.EventDataKind=8
|
||
select*fromEventDataleftjoinEventson
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||
EventData.EventID=Events.EventIDwith
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EventData.EventInt64_A=4711and
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||
EventData.EventString_A="Helloworld"
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||
andEventData.EventDataKind=8
|
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Nothing Hello* EventData.EventString_A=
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||
"Hello*"and
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||
EventData.EventDataKind=8
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select*fromEventDataleftjoinEventson
|
||
EventData.EventID=Events.EventIDwith
|
||
EventData.EventDataKind=8where
|
||
EventData.EventString_ALIKE"Hello*"
|
||
DuringtestingthecustomdatafilterdialogintheGSCVieweventlistadoubleclickonthe
|
||
statusbaroftheeventlistdeliverstheSQLquerythatisexecutedintheGeViScopeserver.
|
||
Examplesoverview
|
||
Theexamplesoverviewisorganizedintwodifferentviewsonallexamplesincludingthe
|
||
GeViScopeSDK:
|
||
Examplesgroupedbyprogrammingtasks
|
||
Examplesgroupedbydevelopmentplatforms
|