private static FormulaProgram GetFormulaProgram(string Filename, FormulaBase fb)
{
if (Filename != null)
{
FormulaSpace space = (FormulaSpace)htFormulaSpace[Filename];
if ((space == null) && System.IO.File.Exists(Filename))
{
space = FormulaSpace.Read(Filename);
htFormulaSpace[Filename] = space;
}
if (space != null)
{
return(space.FindFormulaProgram(fb));
}
}
return(null);
}
