Method | Description | |
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FirstRaw ( System.DateTime startTime, bool isForward, bool isReadModified, int &position ) : Opc.Ua.DataValue |
Returns the next value in the archive.
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NextRaw ( System.DateTime lastTime, bool isForward, bool isReadModified, int &position ) : Opc.Ua.DataValue |
Returns the next value in the archive.
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Method | Description | |
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HistoryFile ( object dataLock, List |
Creates a new file.
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public FirstRaw ( System.DateTime startTime, bool isForward, bool isReadModified, int &position ) : Opc.Ua.DataValue | ||
startTime | System.DateTime | The starting time for the search. |
isForward | bool | Whether to search forward in time. |
isReadModified | bool | Whether to return modified data. |
position | int | A index that must be passed to the NextRaw call. |
return | Opc.Ua.DataValue |
public NextRaw ( System.DateTime lastTime, bool isForward, bool isReadModified, int &position ) : Opc.Ua.DataValue | ||
lastTime | System.DateTime | The timestamp of the last value returned. |
isForward | bool | Whether to search forward in time. |
isReadModified | bool | Whether to return modified data. |
position | int | A index previously returned by the reader. |
return | Opc.Ua.DataValue |