/// <summary>
/// Returns drawing pen.
/// <remarks>We are use empty pen only like parameter of method Draw().</remarks>
/// </summary>
/// <returns>Pen.</returns>
public static Pen GetPen()
{
if (_pen == null)
{
_pen = new Pen();
_pen = (Pen)_pen.GetCurrentValueAsFrozen();
}
return(_pen);
}
private static object CoerceGridlinesPen(DependencyObject objWithOldDP, object newDPValue)
{
Pen newPenValue = (Pen)newDPValue;
return(newPenValue.IsFrozen ? newDPValue : newPenValue.GetCurrentValueAsFrozen());
}