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ISetWindowFieldsPartitionExtensionsFirstTInput, TValue Method

Returns the first value.

Namespace:  MongoDB.Driver.Linq
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.15.0+f503bf610759c13f78cff9a3c01e91453185d2ed
Syntax
public static TValue First<TInput, TValue>(
	this ISetWindowFieldsPartition<TInput> partition,
	Func<TInput, TValue> selector,
	SetWindowFieldsWindow window = null
)

Parameters

partition
Type: MongoDB.DriverISetWindowFieldsPartitionTInput
The partition.
selector
Type: SystemFuncTInput, TValue
The selector that selects a value from the input document.
window (Optional)
Type: MongoDB.DriverSetWindowFieldsWindow
The window boundaries.

Type Parameters

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

Return Value

Type: TValue
The first of the selected values.

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