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SystemEvents.InvokeOnEventsThread Method

Invokes the specified delegate using the thread that listens for system events.

Namespace:  Microsoft.Win32
Assembly:  System (in System.dll)

public static void InvokeOnEventsThread(
	Delegate method


Type: System.Delegate

A delegate to invoke using the thread that listens for system events.


System event notifications are not supported under the current context. Server processes, for example, might not support global system event notifications.


The attempt to create a system events window thread did not succeed.

You can use this method any time that you need to handle a system event that is not exposed otherwise by the SystemEvents class.

When you call this method, the specified delegate will be invoked by the thread that your application is using to process system events.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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