Thanks Matt, I've seen that post before and others like it trying to solve roughly the same problem, and it really doesn't really help.

Your example shows how to change a style in response to mouse enter. This is not even close to my requirement. I have data points set from view models. I need to set the style programatically, whether it be mvvm or any other way.

I'm having to use code-behind already, just to use a dynamic number of series. I don't mind continuing like that, if I can only find a solution.

I also tried a data trigger in the implicit rectangle style, but you are not passing the data item through.

Highlighting data is the most simple and fundamental requirement in a chart. It's a shame if it's not possible.

thanks

Pete

Or maybe I could use mutliple category highlight layers. They almost suit my requirement, if I can highlight more than one category, and I can set which categories are highlighted programatically?

thanks

Pete

HI,

 I am attaching a sample that allows you to select a marker.

 Please review my sample. LeftClick on a marker to select it.

 Sincerely,

 Matt

Developer Support Engineer

all ok thanks.

Hi ,

 Please let me know if you need further assistance regarding this issue.

Hi,

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  Sincerely,

 Matt

 Developer Support Engineer

Matt,

thanks for your continued support. 

We've found a temporary solution by altering the code in the ColumnSeries to popupate the data context with our data item, and then just using a binding in the implicit Rectangle style.  I think you're right that we should submit a feature request, as we don't benefit from your unit tests or quality assurance if we change the code ourselves.

At least we can continue with our implementation.

Thanks

Pete

HI,

We should submit a feature request for this issue.

 I have another solution that will work as long as the columns of the chart are not scrolled in an out of view.

 I making use of the Rectangle Loaded event. As each chart is loaded, I put an index number in the tag property.

 Here is my sample.

 Sincerely,

 Matt
Developer Support Engineer