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Prevent Excel chart flicker,when plots are linked to DDE data
I am using Excel 2003 to display an XY plot on a chart. The plot updates
continuously to display real-time information to an equipment operator. The chart data series, on another sheet, receive their information continuously, twice a second, through a DDE connection. Whenever the chart updates, the chart has an annoying flicker. (The chart might be displaying a white background, then re-displaying the updated plots). Curiously, a textbox on the chart also updates some real-time data. Rather than flickering, the data simply changes in the textbox. I would hope that the plot could be made to similarly update its pixels without flickering the whole chart. |
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