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Qbservable.Buffer<TSource, TBufferClosing> Method (IQbservable<TSource>, Expression<Func<IObservable<TBufferClosing>>>)

Indicates each element of a queryable observable sequence into consecutive non-overlapping buffers.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive.Providers (in System.Reactive.Providers.dll)

public static IQbservable<IList<TSource>> Buffer<TSource, TBufferClosing>(
	this IQbservable<TSource> source,
	Expression<Func<IObservable<TBufferClosing>>> bufferClosingSelector

Type Parameters


The type of source.


The type of queryable observable sequence whose elements denote the closing of each produced buffer.


Type: System.Reactive.Linq.IQbservable<TSource>
The source sequence to produce buffers over.
Type: System.Linq.Expressions.Expression<Func<IObservable<TBufferClosing>>>
A function invoked to define the boundaries of the produced buffers. A new buffer is started when the previous one is closed.

Return Value

Type: System.Reactive.Linq.IQbservable<IList<TSource>>
The queryable observable sequence of buffers.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQbservable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
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