Class CountFunction

Represents a function that returns the number of items in a set of items, including nested sets.

Inheritance
System.Object
AggregateFunction
EnumerableAggregateFunctionBase
EnumerableAggregateFunction
CountFunction
Inherited Members
Namespace: Telerik.Windows.Data
Assembly: Telerik.Windows.Data.dll

Syntax

public class CountFunction : EnumerableAggregateFunction, INotifyPropertyChanged

Constructors

CountFunction()

Initializes a new instance of the CountFunction class.

Declaration
public CountFunction()

Properties

AggregateMethodName

Gets the name of the aggregate method on the ExtensionMethodsType that will be used for aggregation.

Declaration
protected override string AggregateMethodName { get; }
Property Value
System.String

The name of the aggregate method that will be used.
Overrides
Remarks

Gets the the Count method name.

Methods

Merge(Object, AggregateResultMergeAction, AggregateResult, QueryableCollectionViewGroup)

Merges the specified item into the aggregate result according to the specified action.

Declaration
public override object Merge(object item, AggregateResultMergeAction mergeAction, AggregateResult originalAggregateResult, QueryableCollectionViewGroup group)
Parameters
System.Object item

The item.
AggregateResultMergeAction mergeAction

The action.
AggregateResult originalAggregateResult

The original aggregate result.
QueryableCollectionViewGroup group

The group which the item is being added to or removed from.
Returns
System.Object

The new value of the aggregate result.
Overrides

Extension Methods