/// <summary>
/// Sorts the collection based on a specified property name.
/// </summary>
/// <param name="propertyName">Name of the property.</param>
/// <param name="descending">if set to <c>true</c>, then sorts the collection in descending order.</param>
public void Sort(string propertyName, bool descending)
{
// Get list to sort
var items = Items as List <T>;
// Apply and set the sort, if items to sort
if (items != null)
{
var pc = new PropertyComparer <T>(propertyName, descending);
items.Sort(pc);
}
}
/// <summary>
/// Sorts the items if overridden in a derived class; otherwise, throws a <see cref="T:System.NotSupportedException"/>.
/// </summary>
/// <param name="prop">A <see cref="T:System.ComponentModel.PropertyDescriptor"/> that specifies the property to sort on.</param>
/// <param name="direction">One of the <see cref="T:System.ComponentModel.ListSortDirection"/> values.</param>
/// <exception cref="T:System.NotSupportedException">Method is not overridden in a derived class. </exception>
protected override void ApplySortCore(PropertyDescriptor prop, ListSortDirection direction)
{
_sortProperty = prop;
_sortDirection = direction;
// Get list to sort
List <T> items = Items as List <T>;
// Apply and set the sort, if items to sort
if (items != null)
{
PropertyComparer <T> pc = new PropertyComparer <T>(prop, direction);
items.Sort(pc);
_isSorted = true;
}
else
{
_isSorted = false;
}
// Let bound controls know they should refresh their views
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
}
