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CountdownEvent.Reset Method (Int32)

Resets the InitialCount property to a specified value.

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

public void Reset(
	int count


Type: System.Int32
The number of signals required to set the CountdownEvent.


The current instance has alread been disposed.


count is less than 0.

This method resets InitialCount for all subsequent accesses of the property on the current instance. Unlike most of the members of CountdownEvent, Reset is not thread-safe and may not be used concurrently with other members of this instance.

.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.