Actually I have a button which set a filter on the data source so both lines and circle on the legend need to be changed for the original colors:
X = green
Y = blue
Z = red
I was able to change the color the line, howerver I was not able to set circle on the legend.
For exemple: When I click on the button to do the filter on X I have no problem because green is the first color on my chart properties, but when I click on the button to do the filter on Y both line and circle on the legend are green. I have to set this to blue, both line and circle on the legend. I was able to change the line accordingy but I am not able to change circle on the legend.
I hope you got my point.
Thanks and regards.