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DispatcherTimer Constructor (DispatcherPriority, Dispatcher)

Initializes a new instance of the DispatcherTimer class which runs on the specified Dispatcher at the specified priority.

Namespace:  System.Windows.Threading
Assembly:  WindowsBase (in WindowsBase.dll)

public DispatcherTimer(
	DispatcherPriority priority,
	Dispatcher dispatcher


Type: System.Windows.Threading.DispatcherPriority
The priority at which to invoke the timer.
Type: System.Windows.Threading.Dispatcher
The dispatcher the timer is associated with.


dispatcher is null.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.