internal static readonly TCellComparer Instance = new TCellComparer(); //STATIC*
#region IComparer Members
public int Compare(object x, object y)
{
x = TExcelTypes.ConvertToAllowedObject(x, TBaseParsedToken.Dates1904);
y = TExcelTypes.ConvertToAllowedObject(y, TBaseParsedToken.Dates1904);
//null values go always at the bottom. (in ascending or descending order)
if (x == null)
{
if (y == null)
{
return(0);
}
return(1);
}
if (y == null)
{
return(-1);
}
if (x is TFlxFormulaErrorValue)
{
if (y is TFlxFormulaErrorValue)
{
return(((int)x).CompareTo((int)y));
}
return(1);
}
if (y is TFlxFormulaErrorValue)
{
return(-1);
}
object Result = TBaseParsedToken.CompareValues(x, y);
if (Result is int)
{
return((int)Result);
}
return(0);
}
