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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
{
/// <summary>
/// Event arguments for the Touch.FrameReported event.
/// </summary>
public sealed class TouchFrameEventArgs : EventArgs
{
/// <summary>
/// Creates a new instance of this class.
/// </summary>
/// <param name="timestamp"></param>
internal TouchFrameEventArgs(int timestamp)
{
Timestamp = timestamp;
}
/// <summary>
/// The timestamp for this event.
/// </summary>
public int Timestamp
{
get;
private set;
}
/// <summary>
/// Retrieves the current touch point for ever touch device that is currently active.
/// </summary>
/// <param name="relativeTo">Defines the coordinate space of the touch point.</param>
/// <returns>A collection of touch points.</returns>
public TouchPointCollection GetTouchPoints(IInputElement relativeTo)
{
return TouchDevice.GetTouchPoints(relativeTo);
}
/// <summary>
/// Retrieves the current touch point of the primary touch device, if one exists.
/// </summary>
/// <param name="relativeTo">Defines the coordinate space of the touch point.</param>
/// <returns>The touch point of the primary device or null if no device is a primary device.</returns>
public TouchPoint GetPrimaryTouchPoint(IInputElement relativeTo)
{
return TouchDevice.GetPrimaryTouchPoint(relativeTo);
}
/// <summary>
/// Suspends mouse promotion from this point until a touch up.
/// </summary>
/// <remarks>
/// This API is provided for Silverlight compatibility, but due to device
/// implementation differences, this method doesn't actually do anything.
/// </remarks>
public void SuspendMousePromotionUntilTouchUp()
{
// Needs implementation
}
}
}
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