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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)

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.

.NET Framework

Supported in: 4.6, 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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