protected void ArrangeBackground(Size finalSize)
{
if (BlockBackground != null)
{
BlockBackground.Arrange(new Rect(0, 0, finalSize.Width, finalSize.Height));
}
}
protected void MeasureBackground()
{
if (BlockBackground != null)
{
BlockBackground.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
}
}
