public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out double result)
{
Decimal.ValidateParseStyleFloatingPoint(style);
if (s == null)
{
result = 0;
return(false);
}
bool success = FormatProvider.TryParseDouble(s, style, provider, out result);
if (!success)
{
String sTrim = s.Trim();
if (FormatProvider.IsPositiveInfinity(sTrim, provider))
{
result = PositiveInfinity;
}
else if (FormatProvider.IsNegativeInfinity(sTrim, provider))
{
result = NegativeInfinity;
}
else if (FormatProvider.IsNaNSymbol(sTrim, provider))
{
result = NaN;
}
else
{
return(false); // We really failed
}
}
return(true);
}
public static double Parse(String s, NumberStyles style, IFormatProvider provider)
{
Decimal.ValidateParseStyleFloatingPoint(style);
return(FormatProvider.ParseDouble(s, style, provider));
}
public static double Parse(String s, NumberStyles style)
{
Decimal.ValidateParseStyleFloatingPoint(style);
return(Parse(s, style, null));
}
