We are going to add below Bindable properties for our RadioButton control. Now open RadioButton.xaml and add below code.
So in your content view we need three Image controls and one label. Background: Here we will take one Image control that will hold BackGroundImageSource.I mean if IsChecked is True, check mark should be visible or else not visible. And this check mark visibility should be based on user tap interaction which should deal by the some other property like IsChecked. Checkmark: Here we will take one Image control that will hold CheckMarkSource.Border: Here we will take one Image control that will hold BorderImageSource.Title : Here we will take Label control to display title of RadioButton.In general, RadioButton control required major four elements.