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UIElement.OnTouchDown Method

.NET Framework 4.6 and 4.5

Provides class handling for the TouchDown routed event that occurs when a touch presses inside this element.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)

'Declaration
Protected Overridable Sub OnTouchDown ( _
	e As TouchEventArgs _
)

Parameters

e
Type: System.Windows.Input.TouchEventArgs

A TouchEventArgs that contains the event data.

The OnTouchDown method has no default implementation. Override OnTouchDown in a derived class to handle the TouchDown event. Be sure to call the base class’s OnTouchDown method so that base classes receive the event.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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