public Task<ICancelResponse> CancelAsync(
	string accountId,
	string orderNum,
	OrderParameters parameters,
	CancellationToken cancellationToken
)

Public Function CancelAsync ( 
	accountId As String,
	orderNum As String,
	parameters As OrderParameters,
	cancellationToken As CancellationToken
) As Task(Of ICancelResponse)

public:
virtual Task<ICancelResponse^>^ CancelAsync(
	String^ accountId, 
	String^ orderNum, 
	OrderParameters^ parameters, 
	CancellationToken cancellationToken
) sealed

abstract CancelAsync : 
        accountId : string * 
        orderNum : string * 
        parameters : OrderParameters * 
        cancellationToken : CancellationToken -> Task<ICancelResponse> 
override CancelAsync : 
        accountId : string * 
        orderNum : string * 
        parameters : OrderParameters * 
        cancellationToken : CancellationToken -> Task<ICancelResponse>