I'm using ArcMap 10.6. The problem is following:
I have my custom renderer class which is inherited from IFeatureRenderer. I'm overriding Draw method and doing all needed stuff in it. And everything works well, until Layer Properties window is opened in ArcMap. After OK button is clicked by user in Layer Properties window it looks like my renderer is totally overriden by some default one and all my Symbology and line decorations are gone... Dear community could you please advise what should I do to not allow Line Properties OK button to override my Symbology?
Thank you very much in advance.