c# - Add new winforms into a big application after shipping to the customer -

lets assume have developed , shipped application many customers. add new screens application without removing , re-installing customers computers entire application. want send dll or exe file customer, put file , place application folder. application find , recognize dll or exe , let user use winform?

how can that? please give me idea?

professional , complete solution mef if want simple, use assembly.loadfrom(filepath) , iterate types in it. check if type derived system.windows.forms.form (you should use typeof(form).isassignablefrom(loadedtype))