Binding a setting to a Property at Design Time. Windows Forms

Window form and control properties may be bound to Application Settings, by expanding the Application Settings at the top of the control properties.
This works fine, for say BackColor. However be warned, there is then a marker by the related bound property. If you then set this manually, this is actually bi-directional and you will change it in the Settings file at the same time, and hence all accross your application, which is probably not your intended action.

See Microsoft Book 70-505 Windows Forms p 587