So far I have : -
dim s as string
dim t as string
s = Trend1.GetTagName(1) ' assumes that I want the first (only) tag on the display.
t = ???
the attribute I'm interested in is Exdesc...
You can use PI SDK calls to do that. The IPointAttributes interface provides a GetAttributes() method to fetch a PI point's attributes. Please refer to the PI SDK programming help and look under IPointAttribute interface. There is an extensive example on how to use GetAttributes method.
Retrieving data ...