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IAggregateFluentExtensionsUnwindTResult, TNewResult Method (IAggregateFluentTResult, ExpressionFuncTResult, Object, IBsonSerializerTNewResult)
Appends an unwind stage to the pipeline.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.1.0
Syntax
public static IAggregateFluent<TNewResult> Unwind<TResult, TNewResult>(
	this IAggregateFluent<TResult> aggregate,
	Expression<Func<TResult, Object>> field,
	IBsonSerializer<TNewResult> newResultSerializer = null
)

Parameters

aggregate
Type: MongoDB.DriverIAggregateFluentTResult
The aggregate.
field
Type: System.Linq.ExpressionsExpressionFuncTResult, Object
The field to unwind.
newResultSerializer (Optional)
Type: MongoDB.Bson.SerializationIBsonSerializerTNewResult
The new result serializer.

Type Parameters

TResult
The type of the result.
TNewResult
The type of the new result.

Return Value

Type: IAggregateFluentTNewResult
The fluent aggregate interface.

Usage Note

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