public static bool IsNull(this BarRequiredArea barRequiredArea, [CallerMemberName] string methodName = "Method", string msg = "")
{
if (barRequiredArea == null)
{
ErrorMessage(methodName, "BarRequiredArea", msg);
return(true);
}
return(false);
}
public static double SumRequiredArea(this BarRequiredArea barRequiredArea)
{
return(barRequiredArea.IsNull() ? 0 : barRequiredArea.Top + barRequiredArea.Bottom + barRequiredArea.Perimeter + barRequiredArea.Shear + barRequiredArea.Torsion);
}