CountdownEvent.TryAddCount Method (Int32)

Attempts to increment CurrentCount by a specified value.

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)

public bool TryAddCount(
	int signalCount
)

Parameters

signalCount
Type: System.Int32

The value by which to increase CurrentCount.

Return Value

Type: System.Boolean
true if the increment succeeded; otherwise, false. If CurrentCount is already at zero this will return false.

ExceptionCondition
ObjectDisposedException

The current instance has already been disposed.

ArgumentOutOfRangeException

signalCount is less than or equal to 0.

InvalidOperationException

The current instance is already set.

-or-

CurrentCount + signalCount is equal to or greater than MaxValue.

.NET Framework

Supported in: 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 Silverlight 8.1, Windows Phone Silverlight 8

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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