Question: When using an Automatic Pen, what is the procedure if the attributed Tag’s data spreads across multiple Historians, that is, if the pen comes from multiple sources? From which…
Question: I’m plotting a pen in E3Chart via AddPoint method; however, when using this, the AddPoint method extends its last point on the horizontal axis to a value higher than…
Question: Can I add visual reference elements (like lines and bands) to the Axis properties in an E3Chart? Solution: Yes. The E3Chart object is an ActiveX component developed exclusively for…
Question: How can I move back and forward in time on E3Chart’s horizontal axis? Solution: To do so, you must write a script that employsE3Chart’s horizontal axis’s SetHistoricPeriod method. To…
Question: FitAll method does not work properly when I use a Historic scale. The pens and the queries are added at runtime, the method is executed, but the command must…
There are some peculiarities when creating an E3Chart in a report that differentiates it from an E3Chart in an application. When used in an application, the E3Chart can plot charts…
Question: How can I generate an E3Chart‘s report? Solution: In case of historic pens, you must insert an E3Chart in the report’s PageHeader section and use CopyConfig method in OnBeforePrint…
Question: How does a pen’s ScanValue property work in an E3Chart? Does this property have any influence on BufferSize property? How does BufferSize property work? Solution: The ScanValue property stands…
Question: How can an E3Chart be drawn from left to right? Solução: To load a chart from left to right, you must invert how the horizontal axis scale is updated.…
Question: How can I print an E3Chart on my application’s screen? Solution: To do so, access E3Studio and follow these procedures: 1. Add a Report to the application. 2. In…