Provides class handling for the PreviewTouchDown routed event that occurs when a touch presses this element.
Assembly: PresentationCore (in PresentationCore.dll)
The method has no default implementation. Override in a derived class to handle the PreviewTouchDown event. Be sure to call the base class’s method so that base classes receive the event.
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.