VhsClient Helper Objects

The VhsClient Object (and iterator methods) employ a library of helper request and response objects, which are used for passing in a request, getting a response back, and storing point properties and history values. Also included are other objects for defining history entries, statistics, history tag strings, and history values:

CxVhs Methods Request and Response Objects Other Support Objects
   

VhsClient Method

    

VhsDatastoreInterface Method

    

Request Object

    

Response Object

 HistoryEntry HistoryEntryEx HistoryStats HistoryTagString HistoryTagStringEx ValueEntryEx
AddHistoryPoint AddHistoryPoint AddHistoryPointReq AddHistoryPointResp          
AddHistoryPointEx AddHistoryPointEx AddHistoryPointExReq AddHistoryPointExResp          
ContinueHistoryRead ContinueHistoryRead ContinueHistoryReadReq HistoryReadResp            
ContinueHistoryReadEx ContinueHistoryReadEx ContinueHistoryReadExReq HistoryReadExResp            
DeleteHistoryPoint DeleteHistoryPoint DeleteHistoryPointReq DeleteHistoryPointResp          
DeleteHistoryValueEx DeleteHistoryValueEx DeleteHistoryValueExReq DeleteHistoryValueExResp        
GetNamedArrayValues GetNamedArrayValues GetNamedArrayValuesReq GetNamedArrayValuesResp        
GetNamedArrayValuesEx GetNamedArrayValuesEx GetNamedArrayValuesExReq GetNamedArrayValuesExResp        
GetPointStats GetPointStats GetPointStatsReq GetPointStatsResp          
GetPointStatsEx GetPointStatsEx GetPointStatsExReq GetPointStatsExResp          
ListHistoryPointsEx ListHistoryPointsEx ListHistoryPointsExReq ListHistoryPointsExResp        
ListHistoryValuesEx ListHistoryValuesEx ListHistoryValuesExReq ListHistoryValuesExResp        
StartHistoryRead StartHistoryRead StartHistoryReadReq HistoryReadResp        
StartHistoryReadEx StartHistoryReadEx StartHistoryReadExReq HistoryReadExResp        
StoreHistoryList StoreHistoryList StoreHistoryListReq StoreHistoryListResp        
StorePointHistory StorePointHistory StorePointHistoryReq StorePointHistoryResp        
StorePointHistoryEx StorePointHistoryEx StorePointHistoryExReq StorePointHistoryExResp        
UpdateHistoryValueEx UpdateHistoryValueEx UpdateHistoryValueExReq UpdateHistoryValueExResp        

These objects are declared using, for example:

Set req = CreateObject("CxVhsLib.AddHistoryPointReq")

Set resp = CreateObject("CxVhsLib.AddHistoryPointResp")

Set tag = CreateObject("CxVhsLib.HistoryTagString")

More:

ArrowAddHistoryPointReq Object

ArrowAddHistoryPointResp Object

ArrowAddHistoryPointExReq Object

ArrowAddHistoryPointExResp Object

ArrowContinueHistoryReadReq Object

ArrowContinueHistoryReadExReq Object

ArrowDeleteHistoryPointReq Object

ArrowDeleteHistoryPointResp Object

ArrowDeleteHistoryValueExReq Object

ArrowDeleteHistoryValueExResp Object

ArrowGetNamedArrayValuesReq Object

ArrowGetNamedArrayValuesResp Object

ArrowGetNamedArrayValuesExReq Object

ArrowGetNamedArrayValuesExResp Object

ArrowGetPointStatsReq Object

ArrowGetPointStatsResp Object

ArrowGetPointStatsExReq Object

ArrowGetPointStatsExResp Object

ArrowHistoryEntry Object

ArrowHistoryEntryEx Object

ArrowHistoryReadResp Object

ArrowHistoryReadExResp Object

ArrowHistoryStats Object

ArrowHistoryTagString Object

ArrowHistoryTagStringEx Object

ArrowListHistoryPointsExReq Object

ArrowListHistoryPointsExResp Object

ArrowListHistoryValuesExReq Object

ArrowListHistoryValuesExResp Object

ArrowStartHistoryReadReq Object

ArrowStartHistoryReadExReq Object

ArrowStoreHistoryListReq Object

ArrowStoreHistoryListResp Object

ArrowStorePointHistoryReq Object

ArrowStorePointHistoryResp Object

ArrowStorePointHistoryExReq Object

ArrowStorePointHistoryExResp Object

ArrowUpdateHistoryValueExReq Object

ArrowUpdateHistoryValueExResp Object

ArrowValueEntry Object

ArrowValueEntryEx Object

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