ISetWindowFieldsPartitionExtensionsSumTInput Method (ISetWindowFieldsPartitionTInput, FuncTInput, NullableDecimal, SetWindowFieldsWindow)

public static Nullable<decimal> Sum<TInput>(
	this ISetWindowFieldsPartition<TInput> partition,
	Func<TInput, Nullable<decimal>> selector,
	SetWindowFieldsWindow window = null
)

<ExtensionAttribute>
Public Shared Function Sum(Of TInput) ( 
	partition As ISetWindowFieldsPartition(Of TInput),
	selector As Func(Of TInput, Nullable(Of Decimal)),
	Optional window As SetWindowFieldsWindow = Nothing
) As Nullable(Of Decimal)

[<ExtensionAttribute>]
static member Sum : 
        partition : ISetWindowFieldsPartition<'TInput> * 
        selector : Func<'TInput, Nullable<decimal>> * 
        ?window : SetWindowFieldsWindow 
(* Defaults:
        let _window = defaultArg window null
*)
-> Nullable<decimal>