PreviewStylusButtonDown Attached Event

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)

See AddPreviewStylusButtonDownHandler, RemovePreviewStylusButtonDownHandler

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.

void textbox1_PreviewStylusButtonDown(object sender, StylusButtonEventArgs e)
{
    textbox1.AppendText(e.StylusButton.Name + "\n");
}
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