CardOperationBaseTIdentifier, TItem, TContextPerformOperationAsync - метод

Protected Overridable Function PerformOperationAsync ( 
	context As TContext,
	items As List(Of TItem),
	currentContext As IUIContext,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of ValidationResult)

protected:
virtual Task<ValidationResult^>^ PerformOperationAsync(
	TContext context, 
	List<TItem>^ items, 
	IUIContext^ currentContext, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract PerformOperationAsync : 
        context : 'TContext * 
        items : List<'TItem> * 
        currentContext : IUIContext * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValidationResult> 
override PerformOperationAsync : 
        context : 'TContext * 
        items : List<'TItem> * 
        currentContext : IUIContext * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValidationResult>