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SumFunction

Class

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

Definition

Namespace:Telerik.Windows.Data

Assembly:Telerik.Windows.Data.dll

Syntax:

public class SumFunction : EnumerableSelectorAggregateFunction, INotifyPropertyChanged

Inheritance: objectAggregateFunctionEnumerableAggregateFunctionBaseEnumerableSelectorAggregateFunctionSumFunction

Implements: INotifyPropertyChanged

Inherited Members EnumerableSelectorAggregateFunction.GenerateFunctionName()EnumerableSelectorAggregateFunction.CreateAggregateExpression(Expression)EnumerableSelectorAggregateFunction.GetAggregationValue(object)EnumerableSelectorAggregateFunction.SourceFieldEnumerableSelectorAggregateFunction.SourceFieldTypeEnumerableAggregateFunctionBase.ExtensionMethodsTypeAggregateFunction.OnPropertyChanged(string)AggregateFunction.CaptionAggregateFunction.FunctionNameAggregateFunction.ResultFormatStringAggregateFunction.PropertyChanged...

Constructors

SumFunction()

Initializes a new instance of the SumFunction class.

public SumFunction()

Properties

AggregateMethodName

string

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

protected override string AggregateMethodName { get; }

Property Value:

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)

object

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

public override object Merge(object item, AggregateResultMergeAction mergeAction, AggregateResult originalAggregateResult, QueryableCollectionViewGroup group)

Parameters:itemobject

The item.

mergeActionAggregateResultMergeAction

The action.

originalAggregateResultAggregateResult

The original aggregate result.

groupQueryableCollectionViewGroup

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

Returns:

object

The new value of the aggregate result.

Overrides: AggregateFunction.Merge(object, AggregateResultMergeAction, AggregateResult, QueryableCollectionViewGroup)