static void Main()
{
CustomersCollection customersCollection = new CustomersCollection();
//FindAll
//List<Customer> matchingCustomers = customersCollection.FindAll(temp => temp.CustomerName.StartsWith("S"));
//Sort
CustomerComparer customerComparer = new CustomerComparer();
customersCollection.Sort(customerComparer);
foreach (Customer cst in customersCollection)
{
Console.WriteLine(cst.CustomerID + ", " + cst.CustomerName + ", " + cst.Age + ", " + cst.CustomerType);
} //MoveNext
//Contains - IEquatable
Customer customerToSearch = new Customer()
{
CustomerID = 102, CustomerName = "Scott1"
};
//Console.WriteLine(customersCollection.Contains(customerToSearch)); //Output: True
Console.ReadKey();
}
/// <summary>
/// Initializes a new instance of the <see cref="DataManager"/> class.
/// </summary>
private DataManager()
{
this.groups = new List <Group>();
this.comparer = new GroupComparer();
this.customers = new List <Customer>();
this.customerComparer = new CustomerComparer();
}
public MainWindow()
{
InitializeComponent();
DataContext = this;
rand = new Random();
customers = CustomerCollection.Create();
ListView1 = new ListCollectionView(customers)
{
IsLiveFiltering = true,
IsLiveSorting = true,
Filter = (item) => item is Customer customer && customer.Balance < 250000,
CustomSort = new CustomerComparer()
};
ListView2 = new ListCollectionView(customers)
{
IsLiveFiltering = true,
IsLiveSorting = true,
Filter = (item) => item is Customer customer && customer.Balance >= 250000,
CustomSort = new CustomerComparer()
};
/*
* If you use live sorting with SortDescriptions, you don't need to put the property names in LiveSortingProperties
* If you use live sorting with CustomSort, you must put the property names in LiveSortingProperties
*
* Either way you go, the underlying data object (in this case, Customer) must implement INotifyPropertyChanged.
*/
ListView1.LiveFilteringProperties.Add(nameof(Customer.Balance));
ListView2.LiveFilteringProperties.Add(nameof(Customer.Balance));
#if CSORT
ListView1.LiveSortingProperties.Add(nameof(Customer.Balance));
ListView2.LiveSortingProperties.Add(nameof(Customer.Balance));
#else
// CustomSort was set when creating ListView (above), but gets set to null internally when adding SortDescriptions
ListView1.SortDescriptions.Add(new SortDescription(nameof(Customer.Balance), ListSortDirection.Ascending));
ListView2.SortDescriptions.Add(new SortDescription(nameof(Customer.Balance), ListSortDirection.Ascending));
#endif
timer = new DispatcherTimer
{
Interval = TimeSpan.FromMilliseconds(250),
};
timer.Tick += TimerTick;
}
