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ISetWindowFieldsPartitionExtensionsShiftTInput, TValue Method (ISetWindowFieldsPartitionTInput, FuncTInput, TValue, Int32)

Returns the value from an expression applied to a document in a specified position relative to the current document.

Namespace:  MongoDB.Driver.Linq
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e
Syntax
public static TValue Shift<TInput, TValue>(
	this ISetWindowFieldsPartition<TInput> partition,
	Func<TInput, TValue> selector,
	int by
)

Parameters

partition
Type: MongoDB.DriverISetWindowFieldsPartitionTInput
The partition.
selector
Type: SystemFuncTInput, TValue
The selector that selects a value from the input document.
by
Type: SystemInt32
The relative position of the document to evaluate the selector on to shift a value to this document.

Type Parameters

TInput
The type of the input documents in the partition.
TValue
The type of the selected values.

Return Value

Type: TValue
The value from an expression applied to a document in a specified position relative to the current document.

Usage Note

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