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BlockingCollection<T>.TryAdd Method (T)

Tries to add the specified item to the BlockingCollection<T>.

Namespace:  System.Collections.Concurrent
Assembly:  System (in System.dll)
public bool TryAdd(
	T item
)

Parameters

item
Type: T

The item to be added to the collection.

Return Value

Type: System.Boolean
true if item could be added; otherwise false. If the item is a duplicate, and the underlying collection does not accept duplicate items, then an InvalidOperationException is thrown.
ExceptionCondition
ObjectDisposedException

The BlockingCollection<T> has been disposed.

InvalidOperationException

The BlockingCollection<T> has been marked as complete with regards to additions.

-or-

The underlying collection didn't accept the item.

If the collection is a bounded collection, and is full, this method immediately returns false without adding the item.

.NET Framework

Supported in: 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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