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Stylus.PreviewStylusButtonDown Attached Event

Occurs when the user presses one of the buttons on the stylus.

Namespace:  System.Windows.Input
Assembly:  PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

'Declaration
See AddPreviewStylusButtonDownHandler, RemovePreviewStylusButtonDownHandler
<object Stylus.PreviewStylusButtonDown="StylusButtonEventHandler" .../>

This is an attached event. WPF implements attached events as routed events. An attached event is, fundamentally, a XAML language concept used to reference events that are handled on objects that do not, themselves, define events. WPF further expands an attached event's capabilities, allowing it to traverse a route. Attached events do not have a direct handling syntax in code; to attach handlers for a routed event in code, use a designated Add*Handler method. For details, see Attached Events Overview.

The following example demonstrates how to determine which button raised the PreviewStylusButtonDown event. This example assumes that there is a TextBox called textBox1 and that the PreviewStylusButtonDown event is connected to the event handlers.

Private Sub textbox1_PreviewStylusButtonDown(ByVal sender As Object, _
    ByVal e As StylusButtonEventArgs) Handles textbox1.PreviewStylusButtonDown

    textbox1.AppendText(e.StylusButton.Name & vbLf)

End Sub 'textbox1_PreviewStylusButtonDown

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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