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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
namespace System.Windows.Input
{
public class TouchEventArgs : InputEventArgs
{
public TouchEventArgs(TouchDevice touchDevice, int timestamp)
: base (touchDevice, timestamp)
{
}
/// <summary>
/// The device associated with these event arguments.
/// </summary>
public TouchDevice TouchDevice
{
get { return (TouchDevice)Device; }
}
/// <summary>
/// Retrieves the current state related to postion of the TouchDevice.
/// </summary>
/// <param name="relativeTo">The element that defines the coordinate space of the returned data.</param>
/// <returns>A TouchPoint object that describes the position and other data regarding the TouchDevice.</returns>
public TouchPoint GetTouchPoint(IInputElement relativeTo)
{
return TouchDevice.GetTouchPoint(relativeTo);
}
/// <summary>
/// Retrieves the positions that the TouchDevice went through between the
/// last time a touch event occurred and this one.
/// </summary>
/// <param name="relativeTo">The elmeent that defines the coordinate space of the returned data.</param>
/// <returns>The positions that the TouchDevice went through.</returns>
public TouchPointCollection GetIntermediateTouchPoints(IInputElement relativeTo)
{
return TouchDevice.GetIntermediateTouchPoints(relativeTo);
}
/// <summary>
/// The mechanism used to call the type-specific handler on the
/// target.
/// </summary>
/// <param name="genericHandler">
/// The generic handler to call in a type-specific way.
/// </param>
/// <param name="genericTarget">
/// The target to call the handler on.
/// </param>
protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget)
{
EventHandler<TouchEventArgs> handler = (EventHandler<TouchEventArgs>)genericHandler;
handler(genericTarget, this);
}
}
}
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