XPQueryExtensions.CustomAggregateAsync<T>(IQueryable<T>, String, Expression<Func<T, Object>>, CancellationToken) Method

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v19.2.dll

Declaration

C#

public static Task<object> CustomAggregateAsync<T>(
    this IQueryable<T> query,
    string customAggregateName,
    Expression<Func<T, object>> argument,
    CancellationToken cancellationToken = default(CancellationToken)
)

VB.NET

<ExtensionAttribute>
Public Shared Function CustomAggregateAsync(Of T)(
    query As IQueryable(Of T),
    customAggregateName As String,
    argument As Expression(Of Func(Of T, Object)),
    cancellationToken As CancellationToken = Nothing
) As Task(Of Object)

Parameters

Name	Type
query	IQueryable<T>
customAggregateName	String
argument	Expression<Func<T, Object>>

Optional Parameters

Name	Type	Default
cancellationToken	CancellationToken	*null*

Type Parameters

Name
T

Returns

Type
Task<Object>