/// <summary>
/// Calculate the total area used by the backgound and the content, adding the background area to the content area.
/// </summary>
/// <param name="graphics"></param>
/// <param name="contentSize"></param>
/// <returns></returns>
public SizeF GetExtent(MeasureHelper measure, SizeF contentSize)
{
if (Background is IBackground)
{
contentSize = ((IBackground)Background).GetBackgroundExtent(measure, contentSize);
}
if (Padding.IsEmpty == false)
{
contentSize = Padding.GetExtent(contentSize);
}
if (Border != null)
{
contentSize = Border.GetExtent(contentSize);
}
return(contentSize);
}
