Class SumFunction

Represents a function that returns the sum of all items from a set of items.

Inheritance

System.Object

AggregateFunction

EnumerableAggregateFunctionBase

EnumerableSelectorAggregateFunction

SumFunction

Inherited Members

EnumerableSelectorAggregateFunction.GenerateFunctionName()

EnumerableSelectorAggregateFunction.CreateAggregateExpression(Expression)

EnumerableSelectorAggregateFunction.GetAggregationValue(Object)

EnumerableSelectorAggregateFunction.SourceField

EnumerableSelectorAggregateFunction.SourceFieldType

EnumerableAggregateFunctionBase.ExtensionMethodsType

AggregateFunction.OnPropertyChanged(String)

AggregateFunction.Caption

AggregateFunction.FunctionName

AggregateFunction.ResultFormatString

AggregateFunction.PropertyChanged

Namespace: Telerik.Windows.Data

Assembly: Telerik.Windows.Data.dll

Syntax

public class SumFunction : EnumerableSelectorAggregateFunction, INotifyPropertyChanged

Constructors

SumFunction()

Initializes a new instance of the SumFunction class.

Declaration

public SumFunction()

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

EnumerableAggregateFunctionBase.AggregateMethodName

Remarks

Gets the the Sum 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

AggregateFunction.Merge(Object, AggregateResultMergeAction, AggregateResult, QueryableCollectionViewGroup)

Extension Methods

CollectionExtensions.ToEnumerable<T>(T)

EnumerableExtensions.ToEnumerable<T>(T)