StockSharp - trading and algorithmic trading platform
StockSharp API
StockSharp.Algo
TraderHelper Class
TraderHelper Methods
Add Method
AddAdapter(TAdapter) Method
AddDelta Method
AddOrderErrorLog Method
AddOrderInfoLog Method
AddOrSubtractTradingDays Method
ApplyChanges Method
ApplyOffset Method
CancelOrders Method
CandleArgToFolderName Method
CheckModification Method
Compile Method
Contains Method
CreateProcessor Method
DeleteAll Method
Download(TResult, TRequest) Method
EmulateTrades Method
FillFortsJumps Method
Filter Method
FolderNameToSecurityId Method
FromMicexCurrencyName Method
GetAllSecurity Method
GetAveragePrice Method
GetBoardCode Method
GetCandles Method
GetCurrentPrice Method
GetDelta Method
GetDirection Method
GetExpiryDates Method
GetFilteredQuotes Method
GetFortsEndOfDay Method
GetFortsJumps Method
GetFortsRate Method
GetFortsYesterdayEndOfDay Method
GetInnerSecurities Method
GetLevel1 Method
GetMatchedVolume Method
GetOrCreateBoard Method
GetOrderLog Method
GetPlazaTimeInForce Method
GetPnL Method
GetPosition Method
GetPriceStep Method
GetSecurities Method
GetSecurityClassInfo Method
GetSecurityCriteria Method
GetSecurityValue(T) Method
GetSecurityValues Method
GetTheoreticalTrades Method
GetTicks Method
GetTrades Method
GetUniqueId Method
Group Method
Invert Method
IsActive Method
IsAllSecurity Method
IsAssociated Method
IsBasket Method
IsCanceled Method
IsContainsQuotes Method
IsContainsTick Method
IsContinuous Method
IsFinal Method
IsFullEmpty Method
IsHalfEmpty Method
IsIndex Method
IsLookupAll Method
IsMatch Method
IsMatched Method
IsMatchedEmpty Method
IsMatchedPartially Method
IsMicex Method
Iso10962 Method
Iso10962ToOptionType Method
Iso10962ToSecurityType Method
IsPlazaSystem Method
IsSame Method
IsStockSharp Method
IsToday Method
IsTradeDate Method
IsTradeTime Method
IsUxStock Method
Join Method
LastTradeDay Method
Lookup Method
LookupAll Method
LookupBoards Method
LookupByCode Method
LookupById Method
LookupByNativeId Method
LookupByPortfolioName Method
ReRegisterClone Method
ReRegisterOrder Method
SafeGetOrderId Method
SafeGetVolume Method
SecurityIdToFolderName Method
ShrinkPrice Method
Sparse Method
StringToMessageArg Method
ToBasket Method
ToDecimal Method
ToLevel1 Method
ToMicexCurrencyName Method
ToOrderBooks Method
ToPositionManager Method
ToReadableString Method
ToTick Method
ToTicks Method
ToTimeQuotes Method
ToType Method
Truncate Method
TryAdd Method
TryGetAdapter Method
UnGroup Method
ValidateId Method
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TraderHelperLookup Method

Lookup securities by criteria criteria.

Namespace:  StockSharp.Algo
Assembly:  StockSharp.Algo (in StockSharp.Algo.dll) Version: 4.4.17.0 (4.4.17)
Syntax
C#
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public static IEnumerable<Security> Lookup(
	this ISecurityProvider provider,
	Security criteria
)

Parameters

provider
Type: StockSharp.BusinessEntitiesISecurityProvider
The provider of information about instruments.
criteria
Type: StockSharp.BusinessEntitiesSecurity
The instrument whose fields will be used as a filter.

Return Value

Type: IEnumerableSecurity
Found instruments.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ISecurityProvider. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also