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MarketRuleHelperWhenChanged Method (MarketDepth)

To create a rule for the order book change event.

Namespace:  StockSharp.Algo
Assembly:  StockSharp.Algo (in StockSharp.Algo.dll) Version: 4.4.16.0 (4.4.16)
Syntax
C#
public static MarketRule<MarketDepth, MarketDepth> WhenChanged(
	this MarketDepth depth
)

Parameters

depth
Type: StockSharp.BusinessEntitiesMarketDepth
The order book to be traced for change event.

Return Value

Type: MarketRuleMarketDepth, MarketDepth
Rule.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type MarketDepth. 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