WPF graph - show multiple plots with same x axis, each plot has own y axis.

[A.C. · Accepted solution]

One thing to keep in mind is that these events are synchronous. Thus, you are probably seeing the following:

1. Graph 1 updates
2. Range Cursor receives update notification
3. Graph 2 updates

In which case, looking for data when the range cursor updates will only show the update to graph 1, not graph 2

There are a couple of different ways to solve this:

• Update the graph without the range cursor before the graph with it
• Use Dispatcher.BeginInvoke or DispatcherTimer when the range cursor's event is raised so that (3) above happens before you look up the data

[Dudiamar]

I used the Dispatcher.BeginInvoke and it indeed solved the problem.

Thanks!!