I would like to have ability to set up additional properties for custom membership provider in EPiServer Admin Panel. Is it possible in EPiServer CMS 7 or not? Please, see https://www.dropbox.com/s/n6e0qgd4vbpsntf/settings.png?dl=0
Thanks in advance!
It's possible. Decorate a webform's partial class with [GuiPlugin(Area = PlugInArea.SidSettingsArea)]
and inherit from WebFormsBase.