My SetUp (I am using EF for my data):
1 Grid bound to a collection of Vehicle Objects
1 Combobox with multiselect enabled bound to a list of VehicleExtras.
Each vehicle has a collection of extras.
What I need to do is have the Grid filter Vehicles based on whether those vehicles have the selected VehicleExtras from the Combobox
Can anyone point me in the right direction as to how this filtering should be done (if it is at all possible!)
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