Create an application which lists vehicles for sale in 3 categories – Cars, Motorbikes, Vans. The user should be able to:

• View all vehicles for sale • Filter by All, Cars, Bikes, Vans • Sort by Price, Mileage, Make • View Details on each car • Edit details on each car • Load values from file • Save values to file • Delete an entry

Marking Scheme Inheritance - 5 Abstract class - 5 Abstract method - 5 Override - 5 Virtual - 5 Base ctor call - 5 Base method call - 5 Type Checking - 10 Ctor linking - 5 Exception Handling - 5 Comments/Readability - 5 New Window - 5 Add Functionality - 15 Edit Functionality - 15 Display in Listbox - 5 DataTemplates - 10 Selection Changed - 5 Main Window Layout/XAML - 5 Displaying Images - 5 Adding Images - 5 Editing Images - 5 Styles - 5 Read from File - 5 Write to File - 5 Sorting - 10 Filtering - 10 Working Code - 10 Additional Feature - 10 Colour Scheme - 10

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