public FloorPlanGrid(FloorPlan floorPlan, ProjectFile projectFile)
{
InitializeComponent();
floorPlan.FloorNameChanged += FloorPlan_FloorNameChanged;
floorPlan.NameChanged += FloorPlan_FloorNameChanged;
floorPlan.ChangeManager.ChangeObserved += ChangeManager_ChangeObserved;
this.projectFile = projectFile;
FloorPlanViewModel vm = DataContext as FloorPlanViewModel;
vm.ProjectFile = projectFile;
floorPlan.Load();
vm.FloorPlan = floorPlan;
AddRooms();
}