private void ComputeIntersection()
{
currentIntersection = allButtons.Where(b => IntersectsMoreThanHalf(b.Frame)).FirstOrDefault();
}
public void DragDelta(double horizontalChange, double verticalChange)
{
currentIntersection = null;
currentRectangle.X += horizontalChange;
currentRectangle.Y += verticalChange;
}
