protected override void OnManipulationDelta(System.Windows.Input.ManipulationDeltaEventArgs e)
{
Rectangle rectToMove = e.OriginalSource as Rectangle;
Matrix rectsMatrix = ((MatrixTransform)rectToMove.RenderTransform).Matrix;
rectsMatrix.RotateAt(e.DeltaManipulation.Rotation,
e.ManipulationOrigin.X,
e.ManipulationOrigin.Y);
rectsMatrix.ScaleAt(e.DeltaManipulation.Scale.X,
e.DeltaManipulation.Scale.X,
e.ManipulationOrigin.X,
e.ManipulationOrigin.Y);
rectsMatrix.Translate(e.DeltaManipulation.Translation.X,
e.DeltaManipulation.Translation.Y);
rectToMove.RenderTransform = new MatrixTransform(rectsMatrix);
Rect containingRect =
new Rect(((FrameworkElement)e.ManipulationContainer).RenderSize);
Rect shapeBounds =
rectToMove.RenderTransform.TransformBounds(
new Rect(rectToMove.RenderSize));
if (e.IsInertial && !containingRect.Contains(shapeBounds))
{
e.Complete();
}
e.Handled = true;
//base.OnManipulationDelta(e);
}
void winControl_ManipulationDelta(object sender, System.Windows.Input.ManipulationDeltaEventArgs e)
{
// Left to Right: +X
// Right to Left: -X
// Top to Bottom: +Y
// Bottom to Top: -Y
// get the movement both directionally and absolute val
var delX = e.CumulativeManipulation.Translation.X;
var absX = Math.Abs(delX);
var delY = e.CumulativeManipulation.Translation.Y;
var absY = Math.Abs(delY);
// calculate how much change will trigger an action based on the control's size
var upDownMinDelta = this.ActualHeight * deltaPercentage;
var leftRightMinDelta = this.ActualWidth * deltaPercentage;
//System.Diagnostics.Debug.WriteLine("X: {0}, Y: {1}", delX, delY);
if (absX > absY && absX > leftRightMinDelta)
{
if (delX < 0)
{
this.Element.OnSwipeLeft();
}
else
{
this.Element.OnSwipeRight();
}
e.Complete();
}
else if (absY > absX && absY > upDownMinDelta)
{
if (delY < 0)
{
this.Element.OnSwipeUp();
}
else
{
this.Element.OnSwipeDown();
}
e.Complete();
}
}