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SystemEvents.CreateTimer Method

Creates a new window timer associated with the system events window.

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

public static IntPtr CreateTimer(
	int interval


Type: System.Int32

Specifies the interval between timer notifications, in milliseconds.

Return Value

Type: System.IntPtr
The ID of the new timer.


The interval is less than or equal to zero.


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, or the attempt to create the timer did not succeed.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

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