Supports controls that need to request historical data from hosting application's Data Historian.
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The following tables list the members exposed by the IApplicationData type.
| Name | Description | |
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BindToPoint | Requests the hosting application to bind the target object/property to the Value or IVqt interface of the specified Point. |
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DecodeChartablePoints | Requests the hosting application for the collection of ChartablePoints encoded as the specified string (persistence related). |
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EncodeChartablePoints | Requests the hosting application to encode the collection of ChartablePoints into a string (for persistence related). |
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GetChartablePoint | Requests the hosting application for the IChartablePoint interface for the Point with the specified name. |
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GetPoint | Requests the hosting application provide the IVqt interface (Value-Quality-Timestamp) for the Point with the specified name. |
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GetPointNames | Requests the hosting application for a list of Points with names that match the specified query string. |
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QueryHistory | Requests historical data from the Data Historian. |
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StartHistoryLogging | Requests the hosting application enable the Data Historian for the specified data point. |