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BlockingCollection<T> Constructor (Int32)

Initializes a new instance of the BlockingCollection<T> class with the specified upper-bound.

Namespace:  System.Collections.Concurrent
Assembly:  System (in System.dll)

public BlockingCollection(
	int boundedCapacity


Type: System.Int32
The bounded size of the collection.


The boundedCapacity is not a positive value.

The default underlying collection is a ConcurrentQueue<T>.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.