wpf - is it possible to use two background in the same day in the calendar? -

i have calendar in 1 of controls. @ moment, able change baackground color of days different colors according conditions. done in converter.

i using mvvm pattern.

but have new condition, days must branded, keeping color. don't know how that.

i try use property blackoutdays, cross tenous , not allow select day, , need select day.

soy how that?

thanks.