Public Property SortDescriptors As SortDescriptorCollection

Dim instance As QueryDescriptor
Dim value As SortDescriptorCollection
 
instance.SortDescriptors = value
 
value = instance.SortDescriptors

public SortDescriptorCollection SortDescriptors {get; set;}

public read-write property SortDescriptors: SortDescriptorCollection; 

public function get,set SortDescriptors : SortDescriptorCollection

public: __property SortDescriptorCollection* get_SortDescriptors();
public: __property void set_SortDescriptors( 
   SortDescriptorCollection* value
);

public:
property SortDescriptorCollection^ SortDescriptors {
   SortDescriptorCollection^ get();
   void set (    SortDescriptorCollection^ value);
}

QueryDescriptor queryDescriptor = new QueryDescriptor();

// filtering
// get records that have
// (UnitPrice >= 0 AND UnitPrice < 50) OR (UnitPrice == 0)
CompositeFilterDescriptorCollection groupFilter1 = new CompositeFilterDescriptorCollection();

groupFilter1.LogicalOperator = FilterCompositionLogicalOperator.And;
groupFilter1.Add(
    new FilterDescriptor()
    {
        PropertyName = "UnitPrice",
        Operator = FilterOperator.IsGreaterThanOrEqualTo, Value = 0
    }
);
groupFilter1.Add(
    new FilterDescriptor()
    {
        PropertyName = "UnitPrice",
        Operator = FilterOperator.IsLessThan, Value = 50
    }
);

CompositeFilterDescriptorCollection groupFilter2 = new CompositeFilterDescriptorCollection();

groupFilter2.LogicalOperator = FilterCompositionLogicalOperator.And;
groupFilter2.Add(
    new FilterDescriptor()
    {
        PropertyName = "UnitsInStock",
        Operator = FilterOperator.IsEqualTo, Value = 0
    }
);

queryDescriptor.FilterDescriptors.LogicalOperator = FilterCompositionLogicalOperator.Or;

queryDescriptor.FilterDescriptors.Add(groupFilter1);
queryDescriptor.FilterDescriptors.Add(groupFilter2);

// paging
// get the record 6 - 10
queryDescriptor.PageDescriptor.PageSize = 5;
queryDescriptor.PageDescriptor.PageIndex = 1;

// sorting
// sort by category ascending then by product id descending
queryDescriptor.SortDescriptors.Add(
    new SortDescriptor()
    {
        PropertyName = "CategoryID",
        Direction = System.ComponentModel.ListSortDirection.Ascending
    }
);
queryDescriptor.SortDescriptors.Add(
    new SortDescriptor()
    {
        PropertyName = "ProductID",
        Direction = System.ComponentModel.ListSortDirection.Descending
    }
);