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Runspace.OnAvailabilityChanged Method (RunspaceAvailabilityEventArgs)


Updated: April 27, 2016

Applies To: Windows PowerShell

Raises the AvailabilityChanged event when the state of the currently invoked pipeline changes. This method is introduced in Windows PowerShell 2.0.

Namespace:   System.Management.Automation.Runspaces
Assembly:  System.Management.Automation (in System.Management.Automation.dll)

protected abstract void OnAvailabilityChanged(
	RunspaceAvailabilityEventArgs e

For more information about runspaces and runspace pools, see Host Application Runspaces.


The user at the command line may not necessarily realize that the commands that Windows PowerShell runs are being processed within a runspace. From the command-line user’s point of view, commands are run in a Windows PowerShell session. From a host application’s point of view, commands are run within a runspace.

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